List of 173 Texas-based Environmental Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
CECO Environmental NASDAQ : CECO Dallas, Texas, United States website	Environmental	558	26	22	4
Waste Management NYSE : WM Houston, Texas, United States website	Environmental	22,063	27	22	5
WCA Waste Corp. Acquired GFL Environmental 2020-08-12 $1.212B Houston, Texas, United States website	Environmental	-	15	14	1
Darling Ingredients NYSE : DAR Irwing, Texas, United States website	Environmental	5,715	15	14	1
VLS Environmental Solutions PE Backed I Squared Capital 2022-08-18 Houston, Texas, United States website	Environmental	-	12	12	-
TAS Environmental Services PE Backed Blue Point Capital Partners 2019-05-02 Forest Hill, Texas, United States website	Environmental	-	8	8	-
Environmental Infrastructure Solutions PE Backed Sun Capital Partners 2021-07-20 Westlake, Texas, United States website	Environmental	-	7	7	-
RES PE Backed KKR Onex Partners 2016-06-27 Bellaire, Texas, United States website	Environmental	-	7	7	-
Layne Christensen Co. Acquired Granite Construction 2018-06-14 $536M Woodlands, Texas, United States website	Environmental	683	9	6	3
Circon Environmental Acquired Reworld 2023-04-03 La Porte, Texas, United States website	Environmental	-	6	6	-
Amlon Group PE Backed Heartwood Partners 2022-07-22 Plano, Texas, United States website	Environmental	-	5	5	-
Aqua Terra Water Management PE Backed Bregal Partners 2013-11-13 Houston, Texas, United States website	Environmental	-	5	5	-
R3 Treatment, Inc.(dba R360 Environmental Solutions, Inc.) Acquired Waste Connections 2012-09-17 $1.3B The Woodlands, Texas, United States website	Environmental	-	5	5	-
Sharps PE Backed Aurora Capital Partners 2022-07-12 Houston, Texas, United States website	Environmental	76	4	4	-
Nuverra Acquired Select Water Solutions 2022-02-23 Houston, Texas, United States website	Environmental	110	5	4	1
Rockwater Energy Solutions Private Houston, Texas, United States website	Environmental	1,499	4	4	-

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