List of 24 Wisconsin-based Environmental Companies

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
Zurn Elkay Water Solutions NYSE : ZWS Milwaukee, Wisconsin, United States website	Environmental	1,567	10	8	2
United Milwaukee Scrap LLC Private Milwaukee, Wisconsin, United States website	Environmental	-	1	1	-
Applied Ecological Services, Inc. Acquired RES 2021-02-09 Brodhead, Wisconsin, United States website	Environmental	-	-	-	-
Advanced Waste Services, Inc. Acquired Reworld 2015-06-04 West Allis, Wisconsin, United States website	Environmental	-	-	-	-
Aquarius Technologies, Inc. PE Backed L Capital Partners 2006-09-11 Port Washington, Wisconsin, United States website	Environmental	-	-	-	-
Chief Liquid Waste, Inc. (Chief Industrial Services) Acquired Covanta Environmental Solutions 2016-01-19 Winneconne, Wisconsin, United States website	Environmental	-	-	-	-
CRI Environmental Solutions PE Backed Brass Ring Capital 2022-10-01 Woodville, Wisconsin, United States website	Environmental	-	-	-	-
Wausau Scrap & Recycling Corp. Acquired Alter Trading Corp. 2015-01-30 Wausau, Wisconsin, United States website	Environmental	-	-	-	-
Natural Resources Consulting, Inc. Acquired Stantec 2010-07-30 Cottage Grove, Wisconsin, United States website	Environmental	-	-	-	-
Rock Disposal, Inc. Acquired Advanced Disposal Services, Inc. 2015-04-01 Beloit, Wisconsin, United States website	Environmental	-	-	-	-
Dynamic Renewables PE Backed Ares Private Equity Group NorthWestern Energy 2023-07-26 Menasha, Wisconsin, United States website	Environmental	-	-	-	-
Graichen Disposal & Recycling Acquired GFL Environmental 2021-11-03 New London, Wisconsin, United States website	Environmental	-	-	-	-
Pete's Economy Hauling Acquired Advanced Disposal Services, Inc. 2016-05-10 Sheboygan, Wisconsin, United States	Environmental	-	-	-	-
Great Lakes Recycling Private West Allis, Wisconsin, United States website	Environmental	-	1	-	1
Hydroblasters Acquired Superior Environmental Solutions 2025-07-29 Wisconsin Rapids, Wisconsin, United States website	Environmental	-	-	-	-
Little Hoppers Acquired Advanced Disposal Services, Inc. 2015-05-01 Sturgeon Bay, Wisconsin, United States	Environmental	-	-	-	-

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