Latest M&A Deals
Thompson Holdings – Mobile, AL acquired Meyer Engineers – Metairie, AL
Haley & Aldrich – Burlington, MA acquired Cal Engineering & Geology – Walnut Creek, CA
Atwell – Southfield, MI acquired Ben Dyer Associates – Mitchellville, MD
IMEG Corp.  – Rock Island, IL acquired Barker Structural – San Antonio, TX
RDCP Group – London, England acquired Avon Combined Electrical Services (ACES) – Bristol, England
Multiconsult ASA – Oslo, Norway acquired Roar Jørgensen AS – Hønefoss, Norway
Egis Group – Guyancourt, Saint-Quentin-en-Yvelines acquired Calibre Professional Services – North Sydney, Australia
Renew Holdings – Leeds, England acquired Enisca Group – Cookstown, Northern Ireland
GeoPoint Surveying – Tampa, FL acquired Emerald Coast Associates, Inc. – Santa Rosa Beach, FL
Haley Ward – Brewer, ME acquired Ambit Engineering, Inc. – Portsmouth, NH
Stantec – Edmonton, Alberta acquired Bradley-Blewster & Associates – Baton Rouge, LA
Anstey Horne – London, England acquired Gray Scanlan Hill – Manchester, England
Cumming – Seattle, WA acquired RGM Kramer Inc. – Concord, CA
J.S. Held LLC – Jericho, NY acquired Frostbyte Consulting – Calgary, Canada
Atwell – Southfield, MI acquired Cross Surveying – Bradenton, FL
JMT – Hunt Valley, MD acquired Civil Consulting Group – McKinney, TX
CHA Consulting – Albany, NY acquired Eckler Engineering – Coral Springs, FL
BDT Capital Partners, LLC – Chicago, IL acquired Exyte GmbH – Stuttgart, Germany
Hillis Carnes Engineering Associates, Inc. – Annapolis Junction, MD acquired Clendenin Consulting & Remediation Group – Leesburg, VA
Vilhelm Lauritzen Arkitekter – Copenhagen , Denmark acquired Kjaer & Richter – Aarhus, Denmark
LRE Water – Denver, CO acquired Allan R. Standen LLC – Austin, TX
Waggoner Engineering – Jackson, MS acquired Sigma Consulting Group – Baton Rouge, LA
Henpeck & Company – Toronto, Ontario acquired DGA planning | architecture | interiors – Mountain View, CA
Pennoni Associates – Philadelphia, PA acquired CH Engineering – Raleigh, NC
HSL Compliance – Ross-on-Wye, England acquired Jordan Environmental – Bury St Edmunds, England
Long Point Capital – New York, NY acquired Allnorth Consultants – Vancouver, Canada
LJA Engineering, Inc. – Houston, TX acquired Alliance Engineering & Planning LLC – Alpharetta, GA
Bowman Consulting Group Ltd – Reston, VA acquired SEI Engineering – Paonia, CO
Endurance Development – Fort Mill, SC acquired Charles Gojer & Associates, Inc. – Dallas, TX
CIMA+ – Laval, Canada acquired Durham Energy Specialist Limited – Whitby, Canada
DCCM – Houston, TX acquired Urban Engineering and Urban Civil – Corpus Christi, TX
HARDIES Property & Construction Consultants – Edinburgh, Scotland acquired John Duguid Partnership – Dundee , Scotland
Rimkus – Houston, TX acquired Delta Engineering – Lakewood Ranch, FL
ClimeCo – Boyertown, PA acquired Carbonfund – East Aurora, NY
Broadway Malyan – London, England acquired DC3 and WILL+Partners – London, England
NV5 Global, Inc.  – Hollywood, FL acquired Intrepid Engineering LLC – Las Vegas, NV
DNV – Oslo, Norway acquired PSD Consulting Engineering Pty Ltd – Johannesburg, South Africa
Pennoni Associates – Philadelphia, PA acquired Kempton Rinard – Tampa, FL
Al Terra Engineering Ltd. – Edmonton, Canada acquired Kellam Berg Engineering & Surveys Ltd – Calgary, Canada
Total Western – Paramount, CA acquired Roberts Engineers – Concord, CA
Bowman Consulting Group Ltd – Reston, VA acquired Spatial Acuity, LLC – Austin, TX
David Evans and Associates, Inc. – Portland, OR acquired Rock Solid Civil LLC – Boise, ID
CREtelligent – Gold River, CA acquired NexusCRE – Akron, OH
EIS Holdings, LLC – Fort Worth, TX acquired Eagle Environmental Consulting – Wheat Ridge, CO
Keith Engineering – Peoria, IL acquired Midwest Engineering Professionals – Morton, IL
RSK Group – Helsby, England acquired Travis Baker – Halesowen, England
Aurecon – Melbourne, Australia acquired Market Advisory Group – Canberra, Australia
Ambipar Group – São Paulo, Brazil acquired Witt O’Brien’s, LLC – Houston, TX
Salas O’Brien – Santa Ana, CA acquired Allied Engineering – Portland, ME
Coltala Holdings – Fort Worth, TX acquired Pond Robinson & Associates, L.P – Frisco, TX
2018

M&A Transactions

Buyers by State
Sellers by State
US VS. International Buyers
Total US Acquisitions
314
US Acquisitions of Int’l Firms
17
Total Int’l Acquisitions
113
Int’l Acquisitions of US Firms
15
US VS. International Sellers
Total US Acquisitions
312
US Acquisitions of Int’l Firms
15
Total Int’l Acquisitions
115
Int’l Acquisitions of US Firms
17
States By Total Activity
21+ Transactions
1-10 Transactions
11-20 Transactions
0 Transactions
Buyers
Alaska – 4
Bristol Bay Native Corporation
DOWL
Choggiung Ltd.
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Buyers
Alabama – 5
Goodwyn Mills Cawood
Sain Associates, Inc.
Goodwyn Mills Cawood
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Buyers
Arkansas – 2
HTW Architects, Engineers, and Planners
HTW Architects, Engineers, and Planners
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Buyers
Arizona – 1
Montgomery & Associates
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Buyers
California – 48
Cumming Corporation
Montrose Environmental Group, Inc.
Salas O’Brien
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Buyers
Colorado – 7
Congruex LLC
SAFEbuilt
SAFEbuilt
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Buyers
Connecticut – 6
AI Engineers, Inc.
The S/L/A/M Collaborative 
Milone & MacBroom, Inc. 
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Buyers
Delaware – 0
No Transactions
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Buyers
Florida – 16
HSW Engineering Inc.
NV5 Holdings, Inc.
Anser Advisory
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Buyers
Georgia – 2
Foresite Group, Inc.
Envista Forensics
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Buyers
Hawaii – 0
No Transactions
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Buyers
Iowa – 2
RDG Planning & Design
McClure Engineering Co.
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Buyers
Idaho – 4
T
POWER Engineers Incorporated
POWER Engineers Incorporated
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Buyers
Illinois – 18
Wind Point Partners
Alfred Benesch & Company
Clayco, Inc.
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Buyers
Indiana – 1
EnviroForensics
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Buyers
Kansas – 2
TreanorHL
Terracon Consultants, Inc.
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Buyers
Kentucky – 2
Gray Construction
Gray Construction
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Buyers
Louisiana – 6
Bernhard Energy Solutions
ATC Group Services LLC
Southeast Engineers
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Buyers
Massachusetts – 19
VHB
Ameresco, Inc. 
Hancock Associates
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Buyers
Maryland – 9
EA Engineering, Science, and Technology, Inc., PBC
AXIS GeoSpatial, LLC
Waldon Studio Architects
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Buyers
Maine – 2
CES, Inc.
Walsh Engineering 
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Buyers
Michigan – 3
Ghafari Associates
Strength Capital Partners
SmithGroupJJR
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Buyers
Minnesota – 12
Nova Consulting Group, Inc.
Braun Intertec
HGA
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Buyers
Missouri – 4
KAI Design & Build
Ross & Baruzzini, Inc.
Bates
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Buyers
Mississippi – 0
No Transactions
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Buyers
Montana – 1
Lay of the Land Surveying
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Buyers
North Carolina – 7
Tower Engineering Professionals
HEPACO
McAdams
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Buyers
North Dakota – 0
No Transactions
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Buyers
Nebraska – 1
HDR
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Buyers
New Hampshire – 0
No Transactions
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Buyers
New Jersey – 3
RCM Technologies, Inc.
Hillmann Consulting, LLC
Louis Berger
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Buyers
New Mexico – 0
No Transactions
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Buyers
Nevada – 0
No Transactions
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Buyers
New York – 36
Sentinel Capital Partners
Delta Engineers, Architects and Land Surveyors, DPC
Shumaker Consulting Engineering & Land Surveying, D.P.C.
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Buyers
Ohio – 8
Alto Design
CT Consultants
CE Power
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Buyers
Oklahoma – 2
Applied
Applied
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Buyers
Oregon – 2
AKS Engineering and Forestry, LLC
Emerio Design, LLC
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Buyers
Pennsylvania – 26
Arora Engineers, Inc.
Dawood Engineering, Inc.
JHA Companies
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Buyers
Rhode Island – 1
BETA Group, Inc.
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Buyers
South Carolina – 3
Davis & Floyd, Inc.
O’Neal, Inc.
SGA Architecture
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Buyers
South Dakota – 1
Stone Group Architects Inc.
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Buyers
Tennessee – 4
Fremont
Smith Seckman Reid, Inc. 
EnSafe Inc.
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Buyers
Texas – 22
Huitt
Atlas Technical Consultants
CivilCorp
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Buyers
Utah – 1
Horrocks Engineers
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Buyers
Virginia – 10
Comstock Environmental
Dewberry
Bowman Consulting
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Buyers
Vermont – 0
No Transactions
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Buyers
Washington – 2
SCJ Alliance
Blueline
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Buyers
Wisconsin – 4
GRAEF
R.A. Smith, Inc. 
The Foth Companies
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Buyers
West Virginia – 1
The Thrasher Group, Inc.
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Buyers
Wyoming – 1
Trihydro Corporation
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Buyers
Washington DC – 2
Quinn Evans Architects
OTJ Architects
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AlaskaBuyers
Bristol Bay Native Corporation
DOWL
Choggiung Ltd.
Olgoonik Development LLC
AlabamaBuyers
Goodwyn Mills Cawood
Sain Associates, Inc.
Goodwyn Mills Cawood
Goodwyn Mills Cawood
Spectrum Environmental Services Inc.
ArkansasBuyers
HTW Architects, Engineers, and Planners
HTW Architects, Engineers, and Planners
ArizonaBuyers
Montgomery & Associates
CaliforniaBuyers
Cumming Corporation
Montrose Environmental Group, Inc.
Salas O’Brien
Oaktree Capital Management, L.P 
Oaktree Capital Management, L.P 
Krazan & Associates
Willdan Group, Inc. 
Katerra
Degenkolb Engineers
Cannon Corporation
MBH Architects
MBH Architects
Salas O’Brien
Cumming Corporation
Mazzetti Inc.
CoolSys
LACO Associates
Montrose Environmental Group, Inc.
Psomas
Gafcon, Inc.
Tetra Tech
Katerra
TPG Growth and The Rise Fund
Ted Jacob Engineering Group
Katerra
Katerra
MNS Engineers, Inc.
Ware Malcomb
Parsons Corporation
Partner Engineering & Science Inc.
Katerra
Willdan Group, Inc. 
Twining, Inc.
MNS Engineers, Inc.
DAHLIN GROUP ARCHITECTURE | PLANNING
Salas O’Brien
Salas O’Brien
Steinberg Hart
Montrose Environmental Group, Inc.
Brown and Caldwell 
Oaktree Capital Management, L.P.
Tetra Tech
RailPros
Cumming Corporation
Tetra Tech
Mazzetti Inc.
Salas O’Brien
Planning Architecture Engineering Alliance, Inc. (PAEA)
ColoradoBuyers
Congruex LLC
SAFEbuilt
SAFEbuilt
Bow River Capital Partners
SAFEbuilt
Davis Partnership Architects
Congruex LLC
ConnecticutBuyers
AI Engineers, Inc.
The S/L/A/M Collaborative 
Milone & MacBroom, Inc. 
BVH Integrated Services
G. Scott Capital Partners
First Reserve
DelawareBuyers
No Transactions
FloridaBuyers
HSW Engineering Inc.
NV5 Holdings, Inc.
Anser Advisory
Anser Advisory
Anser Advisory
Anser Advisory
Ardurra Group
NV5 Holdings, Inc.
Ardurra
RS&H
Golder Associates
Ardurra
NV5 Holdings, Inc.
NV5 Holdings, Inc.
Inwood Consulting Engineers, Inc.
King Engineering Associates, Inc.
GeorgiaBuyers
Foresite Group, Inc.
Envista Forensics
HawaiiBuyers
No Transactions
IowaBuyers
RDG Planning & Design
McClure Engineering Co.
IdahoBuyers
T
POWER Engineers Incorporated
POWER Engineers Incorporated
HMH Engineering
IllinoisBuyers
Wind Point Partners
Alfred Benesch & Company
Clayco, Inc.
Nalco Water, An Ecolab Company
Ntrive
IMEG Corp. 
IMEG Corp. 
RTM Engineering Consultants 
Hennessy Capital Acquisition Corp. III 
Keystone Capital 
RTM Engineering Consultants
Farnsworth Group
Perkins&Will
HBK Engineering, LLC
Perkins&Will
IMEG Corp. 
V3 Companies Ltd.
Prairie Engineers
IndianaBuyers
EnviroForensics
KansasBuyers
TreanorHL
Terracon Consultants, Inc.
KentuckyBuyers
Gray Construction
Gray Construction
LouisianaBuyers
Bernhard Energy Solutions
ATC Group Services LLC
Southeast Engineers
GraceHebert Architects
Bernhard Capital Partners
ATC Group Services LLC
MassachusettsBuyers
VHB
Ameresco, Inc. 
Hancock Associates
JMH Capital Partners
TRC Companies, Inc.
GEI Consultants
Ameresco, Inc. 
Hancock Associates
TRC Companies, Inc.
Corporate Environmental Advisors
Ameresco, Inc. 
JMH Capital Partners
E4H Environments for Health Architecture
GZA GeoEnvironmental, Inc.
GZA GeoEnvironmental, Inc.
Clean Harbors
GZA GeoEnvironmental, Inc.
Simpson Gumpertz & Heger (SGH) 
TRC Companies, Inc.
MarylandBuyers
EA Engineering, Science, and Technology, Inc., PBC
AXIS GeoSpatial, LLC
Waldon Studio Architects
Century Engineering
JENSEN HUGHES, Inc.
CCJM
PRIME AE Group, Inc.
Johnson, Mirmiran & Thompson (JMT)
Advantage Engineers, LLC
MaineBuyers
CES, Inc.
Walsh Engineering 
MichiganBuyers
Ghafari Associates
Strength Capital Partners
SmithGroupJJR
MinnesotaBuyers
Nova Consulting Group, Inc.
Braun Intertec
HGA
Barr Engineering Company
Westwood Professional Services Inc.
HGA
TKDA
CRW architecture + design group, Inc.
Rani Engineering
WSB & Associates 
WSB & Associates 
ISG
MissouriBuyers
KAI Design & Build
Ross & Baruzzini, Inc.
Bates
TREKK Design Group, LLC
MississippiBuyers
No Transactions
MontanaBuyers
Lay of the Land Surveying
North CarolinaBuyers
Tower Engineering Professionals
HEPACO
McAdams
McKim & Creed, Inc.
Summit Design and Engineering PLLC
Kimley
HVAC Investigators
North DakotaBuyers
No Transactions
NebraskaBuyers
HDR
New HampshireBuyers
No Transactions
New JerseyBuyers
RCM Technologies, Inc.
Hillmann Consulting, LLC
Louis Berger
New MexicoBuyers
No Transactions
NevadaBuyers
No Transactions
New YorkBuyers
Sentinel Capital Partners
Delta Engineers, Architects and Land Surveyors, DPC
Shumaker Consulting Engineering & Land Surveying, D.P.C.
Perkins Eastman
Hospitality House
Wendel
Barton & Loguidice
J.S. Held LLC
RTC Partners, LLP
KKR & Co. L.P. 
CPL
One Equity Partners
J.S. Held LLC
J.S. Held LLC
Vidaris, Inc.
MRB Group
Thornton Tomasetti
Engineering & Surveying Properties, P.C.
J.S. Held LLC
LaBella Associates
Thornton Tomasetti
National Response Corporation 
Treadwell Franklin Infrastructure Capital llc
HLB Lighting Design
Perkins Eastman
Barton & Loguidice
CannonDesign
AKF Group
The LiRo Group
The LiRo Group
The LiRo Group
The LiRo Group
The LiRo Group
J.S. Held LLC
CannonDesign
Vidaris, Inc.
OhioBuyers
Alto Design
CT Consultants
CE Power
Landrum & Brown Inc.
Davey Resource Group, Inc.
CT Consultants
Roto Group LLC
CT Consultants
OklahomaBuyers
Applied
Applied
OregonBuyers
AKS Engineering and Forestry, LLC
Emerio Design, LLC
PennsylvaniaBuyers
Arora Engineers, Inc.
Dawood Engineering, Inc.
JHA Companies
GeoDecisions®, Gannett Fleming’s geospatial technology division
PRISM Spectrum Holdings, LLC
JHA Companies
NELSON
Gannett Fleming
PRISM Spectrum Holdings, LLC
PRISM Spectrum Holdings, LLC
PRISM Spectrum Holdings, LLC
KU Resources
Buchart Horn
JHA Companies
Land Grant Surveyors, LLC
Civil & Environmental Consultants Inc. 
Barry Isett & Associates, Inc.
Civil & Environmental Consultants, Inc.
Bogia Engineering Inc. 
Day & Zimmerman
Civil & Environmental Consultants, Inc.
RETTEW
CMC Energy Services
DBi Services
NELSON
Civil & Environmental Consultants, Inc.
Rhode IslandBuyers
BETA Group, Inc.
South CarolinaBuyers
Davis & Floyd, Inc.
O’Neal, Inc.
SGA Architecture
South DakotaBuyers
Stone Group Architects Inc.
TennesseeBuyers
Fremont
Smith Seckman Reid, Inc. 
EnSafe Inc.
EnSafe Inc.
TexasBuyers
Huitt
Atlas Technical Consultants
CivilCorp
KAI Texas
Raba Kistner
PGAL
PGAL
Atlas Technical Consultants
LandDev Consulting, LLC
Parkhill, Smith & Cooper
Halff Associates, Inc. 
Dunaway Associates
Trinity Consultants
SAM, LLC (Surveying And Mapping, LLC)
PGAL
Maestas & Associates, LLC
KBR, Inc.
KBR, Inc.
Primoris Services Corporation
CP&Y
Trinity Consultants
RVi Planning + Landscape Architecture
UtahBuyers
Horrocks Engineers
VirginiaBuyers
Comstock Environmental
Dewberry
Bowman Consulting
ICF International Inc.
Timmons Group
Timmons Group
Bowman Consulting
Engineering Consulting Services (ECS)
DC Capital Partners
3north architects 
VermontBuyers
No Transactions
WashingtonBuyers
SCJ Alliance
Blueline
WisconsinBuyers
GRAEF
R.A. Smith, Inc. 
The Foth Companies
GRAEF
West VirginiaBuyers
The Thrasher Group, Inc.
WyomingBuyers
Trihydro Corporation
Washington DCBuyers
Quinn Evans Architects
OTJ Architects
Sellers
Alaska – 2
Bristol Alliance of Companies
White Environmental Consulting Inc.
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Sellers
Alabama – 1
Pipe Services of Alabama
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Sellers
Arkansas – 4
EnviTreat
Bob Hiegel, Architect, P.A.
Marlar Engineering Co., Inc.
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Sellers
Arizona – 6
Marlar Engineering Co., Inc.
WestLand Resources’ land development engineering practice
HydroSystems, Inc.
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Sellers
California – 48
TerraNavigator, LLC
Kleinfelder
Technical Roof Services 
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Sellers
Colorado – 9
MWH Constructors
Bristlecone Construction Corporation
J3 Engineering Consultants, Inc.
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Sellers
Connecticut – 2
AAIS Corporation
Abatement Industries Group Inc.
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Sellers
Delaware – 0
No Transactions
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Sellers
Florida – 21
Electronic Data, Inc.
Environmental Resource Solutions, Inc. 
SDI Environmental Services, Inc.
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Sellers
Georgia – 13
Ecological Planning Group
Environmental Planning Specialists, Inc. 
Strategic Hospital Resources
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Sellers
Hawaii – 1
Chelsea Group Limited
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Sellers
Iowa – 3
Walker | Coen | Lorentzen Architects
M+ Architects
StruXture Architects
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Sellers
Idaho – 2
J4 Engineering Group
Enrico Consulting LLC
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Sellers
Illinois – 6
Lamar Johnson Collaborative
ChemStaff, Inc.
Poepping, Stone, Bach & Associates, Inc.
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Sellers
Indiana – 3
Poepping, Stone, Bach & Associates, Inc.
Williams Creek Consulting
Environmental Management Consultants, LLC
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Sellers
Kansas – 1
Shafer, Kline & Warren Inc.
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Sellers
Kentucky – 3
InLine Engineers
GEM Engineering, Inc. 
Donan Engineering’s HVAC Forensics division
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Sellers
Louisiana – 4
Louisiana Land Engineering
Gibson U.S. Environmental Services
HMS Architects
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Sellers
Massachusetts – 16
Surveying and Mapping Consultants
H.W. Moore Associates, Inc.
Pinck & Co.
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Sellers
Maryland – 8
Apex Companies, LLC
Vision Engineering and Planning
Kann Partners
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Sellers
Maine – 2
James W. Sewall Company 
Pinkham and Greer Civil Engineers
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Sellers
Michigan – 2
select tunnel professionals from the US operating company of ILF Consultants, Inc.  
Concept Design Group
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Sellers
Minnesota – 4
LKPB Engineers
Mazda Consultants
The Urban Studio, LLC
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Sellers
Missouri – 7
Volk Construction Company
8760 Engineering
William Tao & Associates, Inc.
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Sellers
Mississippi – 0
No Transactions
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Sellers
Montana – 2
Copper Environmental Consulting
Shedhorn Engineering
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Sellers
North Carolina – 11
Utilis Engineering
Utilis Engineering
Lime Energy Co.
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Sellers
North Dakota – 0
No Transactions
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Sellers
Nebraska – 2
Terrametrix, Inc.
HDR|ICA Asset Management
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Sellers
New Hampshire – 4
CHI Engineering Services, Inc.
HTE Northeast, Inc.
StoneHill Environmental, Inc.
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Sellers
New Jersey – 8
EHS Environmental, Inc. 
Louis Berger
Energy Squared, LLC
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Sellers
New Mexico – 2
Vigil Enterprises
Occam Engineers Inc.
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Sellers
Nevada – 5
10 Nine Design Group
studioCAT
Slater Hanifan Group, Inc.
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Sellers
New York – 20
OBG (O’Brien & Gere)
Thomas F. Leo LS, P.C. 
Thermal Kinetics Engineering, PLLC
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Sellers
Ohio – 12
Environmental Management Specialists, Inc.
single
IJUS LLC
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Sellers
Oklahoma – 1
Shepherd Engineering Design Company, Inc.
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Sellers
Oregon – 3
OBEC Consulting Engineers
DevTech Engineering
W.B. Wells and Associates
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Sellers
Pennsylvania – 14
Integrity Engineering, PLLC
JK Environmental Services
Interstate Acquisition Services
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Sellers
Rhode Island – 1
ADI Energy, LLC
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Sellers
South Carolina – 3
CCAD Engineering
John Tarkany Associates
ESP Associates, Inc.
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Sellers
South Dakota – 0
No Transactions
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Sellers
Tennessee – 1
Perry Engineering
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Sellers
Texas – 29
Raba
Excelsis Inc.
Jacobs Energy, Chemicals & Resources division
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Sellers
Utah – 1
Sage Environmental, LLC
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Sellers
Virginia – 9
WorldView Solutions
BCWH
Community Planning Partners Inc.
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Sellers
Vermont – 1
Zero By Degrees
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Sellers
Washington – 5
Zero By Degrees
Craft Architects
Studio Cascade
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Sellers
Wisconsin – 4
White Construction Co., Inc. 
Czarnecki Engineering, Inc.
Matsen Ford Design Associates, Inc. 
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Sellers
West Virginia – 1
Blue Mountain, Inc.
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Sellers
Wyoming – 2
Blue Mountain, Inc.
Steamboat Technical Services
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Sellers
Washington DC – 3
Martinez+Johnson Architecture
JVP Engineers, P.C.
Keast & Hood’s Washington, DC office
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AlaskaSellers
Bristol Alliance of Companies
White Environmental Consulting Inc.
AlabamaSellers
Pipe Services of Alabama
ArkansasSellers
EnviTreat
Bob Hiegel, Architect, P.A.
Marlar Engineering Co., Inc.
Terrell Engineering
ArizonaSellers
Terrell Engineering
WestLand Resources’ land development engineering practice
HydroSystems, Inc.
Atherton Engineering, Inc.
LVA Urban Design Studio
Erickson & Meeks Engineering
CaliforniaSellers
TerraNavigator, LLC
Kleinfelder
Technical Roof Services 
SCST, LLC
Simplus Management 
RGGroup Global
Montrose Environmental Group, Inc.
Richard Brady & Associates, Inc.
VEIR Corporation
Innovative Engineering Group
Barrish Pelham Consulting Engineers 
Kutzmann & Associates
AndersonPenna Partners
PENCO Engineering
Frank Webb Architects
KEH & Associates Inc.
Christiani Johnson Architects
David Ford Consulting Engineers
David Ford Consulting Engineers
MRC Engineering
VCA Consultants, Inc.
ADVENT Engineering Services, Inc. 
HydroMetrics Water Resources Inc. 
DobleThomas & Associates
Bluemotif Architecture 
Leymaster Environmental Consulting, LLC
Covello Group
McDowell Scheduling, Inc.
Vali Cooper & Associates Inc.
S&C Engineers, Inc.
WorkSpace Plans
Newcomb Anderson McCormick, Inc.
Dougherty Architects
gkkworks
Shadpour Consulting Engineers, Inc.
Rodriguez Park
T
Axiom Commissioning Group
RJC Architects
Brandow & Johnston, Inc. 
Bridgenet International Inc.
Accord Engineering Inc.
Butsko Utility Design, Inc.
Assembly Design Studio
CHC Consulting, LLC
C2G International
ATI Architects + Engineers
Synergy Development Services 
ColoradoSellers
MWH Constructors
Bristlecone Construction Corporation
J3 Engineering Consultants, Inc.
MKK Consulting Engineers
Tsiouvaras Simmons Holderness, Inc.
Polaris Alpha
Legacy Engineering, Inc.
Meeting the Challenge, Inc.
Project One Integrated Services
ConnecticutSellers
AAIS Corporation
Abatement Industries Group Inc.
DelawareSellers
No Transactions
FloridaSellers
Electronic Data, Inc.
Environmental Resource Solutions, Inc. 
SDI Environmental Services, Inc.
Mapping Resource Group, Inc.
RW Block Consulting, Pinck & Co, RGGroup Global, and Simplus Management 
Bean, Whitaker, Lutz, and Kareh, Inc.
R. W. Block Consulting, Inc.
Power Grid Engineering, LLC
DMS Disaster Consultants
Sims Wilkerson Cartier Engineering
SaltoCo, LLC
David Douglas Associates
Nobles Consulting Group, Inc. 
Johnson
Applied Environmental Health & Safety
Applied Environmental Health & Safety
Bracken Engineering
Calvin, Giordano & Associates, Inc.
Roadway Worker Training, LLC
Consulting Engineering & Science, Inc.
IDA Consulting Engineers, Inc. 
GeorgiaSellers
Ecological Planning Group
Environmental Planning Specialists, Inc. 
Strategic Hospital Resources
Willett Engineering Company
Toole Engineers
EDI, Ltd.
Dorsey Engineering, Inc.
The Architecture Group
Piedmont Geotechnical Consultants
Hug & Associates Architects
Lord Aeck Sargent
Project Time & Cost, LLC
PerryCrabb
HawaiiSellers
Chelsea Group Limited
IowaSellers
Walker | Coen | Lorentzen Architects
M+ Architects
StruXture Architects
IdahoSellers
J4 Engineering Group
Enrico Consulting LLC
IllinoisSellers
Lamar Johnson Collaborative
ChemStaff, Inc.
Poepping, Stone, Bach & Associates, Inc.
EWR Architects
Forum Studio
McDonough
IndianaSellers
McDonough
Williams Creek Consulting
Environmental Management Consultants, LLC
KansasSellers
Shafer, Kline & Warren Inc.
KentuckySellers
InLine Engineers
GEM Engineering, Inc. 
Donan Engineering’s HVAC Forensics division
LouisianaSellers
Louisiana Land Engineering
Gibson U.S. Environmental Services
HMS Architects
Michael Pisani & Associates, Inc.
MassachusettsSellers
Surveying and Mapping Consultants
H.W. Moore Associates, Inc.
Pinck & Co.
Nover
Wilson Architects
Parkard Design
Noonan & McDowell
Fort Point Associates, Inc.
DiGiorgio Associates Inc.
DAI Architects
Monitor Builders Inc.
CLE Engineering, Inc.
Lyons/Zaremba
Veolia North America’s U.S. Industrial Cleaning Services Division
TRO
American Environmental Consultants, Inc.
MarylandSellers
Apex Companies, LLC
Vision Engineering and Planning
Kann Partners
Stinger Ghaffarian Technologies, Inc.
Sidhu Associates Inc. 
W.A. Chester
W.A. Chester
RCG Architects
MaineSellers
James W. Sewall Company 
Pinkham and Greer Civil Engineers
MichiganSellers
select tunnel professionals from the US operating company of ILF Consultants, Inc.  
Concept Design Group
MinnesotaSellers
LKPB Engineers
Mazda Consultants
The Urban Studio, LLC
Progressive Consulting Engineers
MissouriSellers
Volk Construction Company
8760 Engineering
William Tao & Associates, Inc.
Control Technology & Solutions L.L.C. 
source testing group of Burns & McDonnell
Malone Finkle Eckhardt & Collins, Inc. 
sys
MississippiSellers
No Transactions
MontanaSellers
Copper Environmental Consulting
Shedhorn Engineering
North CarolinaSellers
Utilis Engineering
Utilis Engineering
Lime Energy Co.
CALYX Engineers and Consultants, Inc.
Environmental Holdings Group, LLC
obs landscape architects
E.T. Hyman Surveying
Land Management Group, Inc.
First Analytical Laboratories
Engineered Concepts 
Criser Troutman Tanner Consulting Engineers 
North DakotaSellers
No Transactions
NebraskaSellers
Terrametrix, Inc.
HDR|ICA Asset Management
New HampshireSellers
CHI Engineering Services, Inc.
HTE Northeast, Inc.
StoneHill Environmental, Inc.
Emery & Garrett Groundwater Investigations, LLC 
New JerseySellers
EHS Environmental, Inc. 
Louis Berger
Energy Squared, LLC
Fields Construction Company
Illumination Arts LLC
Boswell Engineering Inc.
Civil Dynamics (CD)
Melick
New MexicoSellers
Vigil Enterprises
Occam Engineers Inc.
NevadaSellers
10 Nine Design Group
studioCAT
Slater Hanifan Group, Inc.
Nevada Construction Services
R2H Engineering
New YorkSellers
OBG (O’Brien & Gere)
Thomas F. Leo LS, P.C. 
Thermal Kinetics Engineering, PLLC
Southern Tier Surveying, Inc.
Woidt Engineering and Consulting, PC
Hicks Design Group
Dolph Rotfeld Engineering, P.C.
Steinmetz Planning Group
Anderson Architects
Morris Associates Engineering & Surveying Consultants, P.L.L.C.
Lehrer
NRC Group Holdings, LLC
Chatfield Engineers, P.C.
Daniel P Yanosh, LLS
BHNT Architects, P.C.
FPM Group, Ltd., FPM Remediations, Inc., and their associated assets
Eberlin & Eberlin, P.C.
CHA Consulting, Inc.
Bowne Management Systems Inc. 
Sidney B. Bowne & Son LLC
OhioSellers
Environmental Management Specialists, Inc.
single
IJUS LLC
Aerocon Inc.
Construction Process Solutions, Ltd.
Cawrse & Associates, Inc.
BrownFlynn Ltd 
GGC Engineers
Braun & Steidl Architects
Wastren Advantage
FRCH Design Worldwide
Varo Engineers
OklahomaSellers
Shepherd Engineering Design Company, Inc.
OregonSellers
OBEC Consulting Engineers
DevTech Engineering
W.B. Wells and Associates
PennsylvaniaSellers
Integrity Engineering, PLLC
JK Environmental Services
Interstate Acquisition Services
DME Alliance Inc. 
R.F. Mitall and Associates
Loftus Engineers, LLC
Celli
Beitler Land Surveying and Engineering
Weber Surveyors
Centerpoint Engineering
F.X. Browne, Inc. 
ALL4 Inc.
Enviroscan
Clean Markets
Rhode IslandSellers
ADI Energy, LLC
South CarolinaSellers
CCAD Engineering
John Tarkany Associates
ESP Associates, Inc.
South DakotaSellers
No Transactions
TennesseeSellers
Perry Engineering
TexasSellers
Raba
Excelsis Inc.
Jacobs Energy, Chemicals & Resources division
W&M Environmental Group, LLC
Timber Creek Environmental 
Hayden Consultants, Inc.
G&A Consultants, LLC
Winston Services
CivilE LLC
Schrickel, Rollins and Associates Inc.
Trillion Aviation
Urban Design Group
Westbrook Engineering
Synergen Consulting International, LLC
CLEAResult
SWS Environmental Services, Inc.
Cirrus Associates LLC
Pastor, Behling & Wheeler, LLC
Reyes & Hamilton Engineers, PLLC
M2 Services Corporation
Willbros Group, Inc.
The Lauck Group, Inc.
KBGE Engineering 
Rogers Design Services 
Rogers Design Services 
Rogers Design Services 
LandWorks, Inc.
Zephyr Environmental Corporation
BLW Security Group
UtahSellers
Sage Environmental, LLC
VirginiaSellers
WorldView Solutions
BCWH
Community Planning Partners Inc.
Bold Rock Engineering Group
RSG Architects
Geostructures
Huelat Davis Healing Design
Toxicology Regulatory Services
Visible:Proof
VermontSellers
Zero By Degrees
WashingtonSellers
Zero By Degrees
Craft Architects
Studio Cascade
The LA Studio
BergerABAM
WisconsinSellers
White Construction Co., Inc. 
Czarnecki Engineering, Inc.
Matsen Ford Design Associates, Inc. 
Sustainable Engineering Group (SEG) 
West VirginiaSellers
Blue Mountain, Inc.
WyomingSellers
Blue Mountain, Inc.
Steamboat Technical Services
Washington DCSellers
Martinez+Johnson Architecture
JVP Engineers, P.C.
Keast & Hood’s Washington, DC office

M&A Transactions by Year

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