List of 87 Acquired Environmental Companies in California

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
PERC Water Corp. Acquired Consolidated Water 2019-10-30 $4.1M Costa Mesa, California, United States website	Environmental	9	2	1	1
Patriot Environmental Services Acquired Crystal Clean 2022-06-30 Wilmington, California, United States website	Environmental	-	1	1	-
Avanti Environmental, Inc. Acquired Montrose 2015-06-30 Irvine, California, United States website	Environmental	-	-	-	-
ABC Sanitation Acquired United Site Services 2016-01-01 West Sacramento, California, United States website	Environmental	-	-	-	-
Andersen Environmental, Inc. Acquired EFI Global, Inc. 2015-03-30 Los Angeles, California, United States website	Environmental	-	-	-	-
Atlas Pumping Service Acquired Liquid Environmental Solutions 2020-02-20 Lakeside, California, United States website	Environmental	-	-	-	-
Vista Analytical Laboratory Acquired Montrose 2021-06-17 El Dorado Hills, California, United States website	Environmental	-	-	-	-
The Avogadro Group LLC Acquired Montrose 2012-07-23 Antioch, California, United States website	Environmental	-	-	-	-
Alta Environmental LP Acquired NV5 Global 2019-06-05 Long Beach, California, United States website	Environmental	-	-	-	-
Horizon Acquired Montrose 2021-11-04 Oakland, California, United States website	Environmental	-	-	-	-
Frontier Acquired Montrose 2023-01-06 El Dorado Hills, California, United States website	Environmental	-	-	-	-
Blankinship Acquired Bowman Consulting Group 2023-11-13 Davis, California, United States website	Environmental	-	-	-	-
PreZero - Mechanical Recycling Assets & Plans Operations Acquired LyondellBasell 2024-02-20 California, United States	Environmental	-	-	-	-
EM Assist, Inc. Acquired Cardno 2012-07-02 Folsom, California, United States website	Environmental	-	-	-	-
Applied Weather Technology, Inc. Acquired StormGeo 2014-01-28 Sunnyvale, California, United States website	Environmental	-	-	-	-
Anderson Rubbish Disposal Acquired Waste Management 2018-03-19 Simi Valley, California, United States website	Environmental	-	-	-	-

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