Featured transaction in California; plus, nine deals in WA, IL, TX, WI, MD, RI, and NC

Commentary & Insight

This week, we report on ten new domestic transactions, including two in the Western U.S. Connect with over 200 AE industry executives, investors, and experts at this year’s Western States M&A and Business Symposium. Register today and reserve your place now.

Reminder: The award ceremony for this year’s M&A Best Practices Award takes place at the Symposium. The deadline to submit applications for the award is midnight tonight. Applications may be submitted here.  

Domestic Transactions

5/6/2025 
GPRS (Maumee, OH), a firm specializing in utility locating, CCTV video pipe inspection, leak detection, concrete imaging, and 3D laser scanning, acquired 2-D As-Built Floor Plans (Issaquah, WA), a firm that offers as-builts, laser scanning, and reality capture services. Link to details >

5/3/2025 
ENR’s #188 ranked environmental firm, Spheros Environmental (Denver, CO), expanded its environmental and geoscience capabilities with the acquisition of Northwater Consulting (Springfield, IL), a firm that provides watershed planning, water supply development, hydrogeology, environmental permitting, and infrastructure programs.
Link to details >

5/7/2025 
The HFW Companies (St. Louis, MO) (ENR #203), an expanding professional services firm in the AE industry, formed a strategic growth partnership with civil engineering firm Southwest Engineers (Gonzales, TX). Link to details >

5/5/2025 
Engineering, architecture, design, and consulting firm Colliers Engineering & Design (Holmdel, NJ) (ENR #32) acquired Terra Consulting Group (Park Ridge, IL), a specialty telecommunications infrastructure engineering firm. Link to details >

5/6/2025 
E Source (Boulder, CO), a utilities-focused consulting, research, and data science firm, acquired ILLUME Advising (Madison, WI), a research and strategy consulting firm specializing in the energy sector. Link to details >

5/6/2025 
The EI Group (Morrisville, NC), an environmental, health & safety (EHS) consulting firm, acquired Aerosol Monitoring & Analysis (AMA) (Hanover, MD), an industrial hygiene, environmental, and health & safety (EHS) services firm. Link to details >

5/5/2025 
Engineering and building automation controls firm Earthwise Energy Technologies (Rumford, RI) acquired Wilkinson Associates (Warwick, RI), an engineering firm specializing in analysis and design for mechanical building systems. Link to details >

5/5/2025 
Progressive Companies (Grand Rapids, MI), a full-service architecture, engineering, and CM firm, acquired architecture firm MHAworks (Durham, NC). Link to details >

5/7/2025 
Environ Energy (New York, NY), a firm that provides sustainable energy solutions, acquired Rapid Power Management (RPM) (Carrollton, TX), an advisory firm with deep expertise in the Electric Reliability Council of Texas (ERCOT) territory. Link to details >

Global Transactions

5/1/2025 
Industry icon Tetra Tech (Pasadena, CA) (ENR #3) signed a definitive agreement to acquire SAGE Group (Adelaide, Australia), an automation solutions firm with expertise in municipal water and industrial manufacturing automation, smart infrastructure, and systems integration. Link to details >

5/1/2025 
Inspection and surveying firm Align Building Control (Heald Green, UK) joined ICA Group (Wentworth, UK), a multidisciplinary firm providing site inspection and consulting services. Link to details >

5/6/2025 
Access Planning (Vancouver, Canada), an urban environment firm, joined Nelson\Nygaard (San Francisco, CA), a firm that plans and designs mobility solutions that support equitable, sustainable communities. Link to details >

5/1/2025 
MEP firm Black & White (Newcastle upon Tyne, UK) acquired Homan O’Brien (Dublin, Ireland), an engineering firm that specializes in mechanical and electrical engineering design. Link to details >

4/29/2025 
AARC Environmental Solutions (Spring Hill, Australia), an environmental and rehabilitation services firm serving the resources sector, joined environmental and geospatial services firm APEM Group (Stockport, UK). Link to details >

5/7/2025 
Environmental firm Adler & Allan (Harrogate, UK) acquired drainage and civil engineering specialist Glanville Environmental (Ivybridge, UK) to further enhance its installation and remediation, geospatial surveys, and CCTV surveying capabilities. Link to details >

5/7/2025 
BPA (Montreal, Canada), an engineering firm specializing in buildings for the institutional, commercial, multi-residential, and industrial markets, acquired sustainable development expert Ecovert (Toronto, Canada) and building commissioning specialist EcovertCx (Kitchener, Canada). Link to details >