List of 22 Connecticut-based Engineering Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
TRC PE Backed Warburg Pincus 2021-10-14 Windsor, Connecticut, United States website	Engineering	414	28	27	1
EMCOR NYSE : EME Norwalk, Connecticut, United States website	Engineering	14,566	19	18	1
EES PE Backed Advantage Capital Partners 2012-01-01 Sandy Hook, Connecticut, United States website	Engineering	-	2	2	-
The S/L/A/M Collaborative (SLAM) Private Glastonbury, Connecticut, United States website	Engineering	-	1	1	-
JCJ Architecture Private Hartford, Connecticut, United States website	Engineering	-	1	1	-
Loureiro Engineering Associates, Inc. Private Plainville, Connecticut, United States website	Engineering	-	1	1	-
BVH Integrated Services PC Private Bloomfield, Connecticut, United States website	Engineering	-	1	1	-
Butler America Private Shelton, Connecticut, United States website	Engineering	-	1	-	1
CME Associates, Inc. Acquired CHA 2020-01-09 Mansfield, Connecticut, United States website	Engineering	-	-	-	-
CHK Architects Acquired DCAK-MSA 2024-07-18 Simsbury, Connecticut, United States website	Engineering	-	-	-	-
Southport Engineering Acquired NV5 Global 2024-12-09 Ridgefield, Connecticut, United States website	Engineering	-	-	-	-
Applied Physical Sciences Corp. Acquired General Dynamics 2012-12-21 Groton, Connecticut, United States website	Engineering	-	-	-	-
Siefert Associates Acquired GZA GeoEnvironmental, Inc. 2025-09-02 Watertown, Connecticut, United States website	Engineering	-	-	-	-
Heller and Johnsen, Inc. Acquired GZA GeoEnvironmental, Inc. 2015-04-24 Stratford, Connecticut, United States website	Engineering	-	-	-	-
DiCesare-Bentley Engineers, Inc. Acquired Loureiro Engineering Associates, Inc. 2017-01-12 Groton, Connecticut, United States website	Engineering	-	-	-	-
National Conveyor Co., Inc. Acquired Nederman 2015-11-05 East Granby, Connecticut, United States website	Engineering	-	-	-	-

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