List of 75 Pennsylvania-based Environmental Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Evoqua Acquired Xylem 2023-01-23 $7.5B Pittsburgh, Pennsylvania, United States website	Environmental	1,737	24	21	3
Alloy Group Private Export, Pennsylvania, United States website	Environmental	-	5	5	-
Clean Earth, Inc. Acquired Enviri 2019-05-09 $625M Hatboro, Pennsylvania, United States website	Environmental	156	4	4	-
All4 PE Backed Levine Leichtman Capital Partners 2025-01-23 Kimberton, Pennsylvania, United States website	Environmental	-	3	3	-
IESI Corp. Private Chambersburg, Pennsylvania, United States website	Environmental	-	4	3	1
Calgon Carbon Corp. Acquired Kuraray 2017-09-21 $1.1B Pittsburgh, Pennsylvania, United States website	Environmental	514	4	3	1
Atmos PE Backed Insight Equity 2024-03-25 Newtown Square, Pennsylvania, United States website	Environmental	-	2	2	-
GE Water & Process Technologies PE Backed CDPQ Suez 2017-03-08 $3.4B Trevose, Pennsylvania, United States website	Environmental	-	2	2	-
Liberty Tire Recycling PE Backed ECP 2021-04-01 Pittsburgh, Pennsylvania, United States website	Environmental	-	2	2	-
MKB Company PE Backed Align Capital Partners 2024-12-04 Belleville, Pennsylvania, United States website	Environmental	-	1	1	-
MAX Environmental PE Backed Altus Capital Partners 2017-02-07 Pittsburgh, Pennsylvania, United States website	Environmental	-	1	1	-
RWS Acquired Quest Resource 2021-12-08 $33M Chadds Ford, Pennsylvania, United States website	Environmental	-	1	1	-
Hydro Recovery PE Backed Shaner Capital 2011-10-01 Blossburg, Pennsylvania, United States website	Environmental	-	1	1	-
RoadRunner Recycling PE Backed General Atlantic 2022-01-07 Pittsburgh, Pennsylvania, United States website	Environmental	-	1	1	-
Alliance Environmental Services, Inc. Acquired Herbert, Rowland & Grubic, Inc. 2008-04-24 Harrisburg, Pennsylvania, United States website	Environmental	-	-	-	-
Arborel Tree Service, Inc. Acquired The Davey Tree Expert Co. 2017-04-06 Allison Park, Pennsylvania, United States website	Environmental	-	-	-	-

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