List of 18 Louisiana-based Engineering Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Grace Hebert Curtis PE Backed Bernhard Capital Partners 2022-09-07 Baton Rouge, Louisiana, United States website	Engineering	-	5	5	-
Specialty Welding and Turnarounds PE Backed ORIX Capital Partners 2020-01-31 Gonzales, Louisiana, United States website	Engineering	-	4	4	-
Facilities Maintenance Management (FMM) Private Baton Rouge, Louisiana, United States website	Engineering	-	2	2	-
The Shaw Group, Inc. Acquired CB&I 2013-07-31 $3B Baton Rouge, Louisiana, United States website	Engineering	-	3	1	2
ATC Associates, Inc. PE Backed Bernhard Capital Partners 2015-11-16 Lafayette, Louisiana, United States website	Engineering	130	-	-	-
APTIM PE Backed Veritas Capital 2017-02-28 $755M Baton Rouge, Louisiana, United States website	Engineering	-	-	-	-
Ampirical PE Backed SkyKnight Capital 2024-07-11 Covington, Louisiana, United States website	Engineering	-	-	-	-
ABMB Engineers, Inc. Acquired Stantec 2012-04-26 Baton Rouge, Louisiana, United States website	Engineering	-	-	-	-
Labarre Associates, Inc. Private Denham Springs, Louisiana, United States website	Engineering	-	-	-	-
Cajun Valve Services LLC Acquired Industrial Service Solutions 2016-02-02 Port Allen, Louisiana, United States website	Engineering	-	-	-	-
GSA Consulting Engineers Acquired McKim & Creed, Inc. 2021-06-08 Gonzales, Louisiana, United States website	Engineering	-	-	-	-
Horizon Consultants, Inc. Acquired Mangan, Inc. 2019-07-01 Gonzales, Louisiana, United States website	Engineering	-	-	-	-
Hydro Consultants Acquired Atwell 2024-06-20 Baton Rouge, Louisiana, United States website	Engineering	-	-	-	-
TAI Engineers Acquired S&B Infrastructure Ltd. 2021-05-03 New Orleans, Louisiana, United States website	Engineering	-	-	-	-
H&K Engineering Acquired Orbital Engineering 2021-03-19 Baton Rouge, Louisiana, United States website	Engineering	-	-	-	-
Stonewall Group PE Backed Capitala Group 2025-02-19 Lafayette, Louisiana, United States website	Engineering	-	-	-	-

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