| Transaction | Transaction Date | Unauthorized Action | No. Licenses |
| The stock of Wheelabrator Coal Services Company was sold to The Savage Companies | 10/31/2000 | Transfer of Control | 3 |
| The stock of Diversified Scientific Service Inc. was sold to Permafix Environmental Services Inc. | 08/31/2000 | Transfer of Control | 1 |
| Certain assets of Waste Management Inc. sold to Allied Waste Industries Corporation | 02/01/2000 | Assignment | 4 |
| Waste Management of Colorado, Inc. acquired the stock and merged with Sunshine Garbage Inc. | 12/16/1999 | Assignment | 1 |
| Merger of Ulster Sanitation, Inc. (NY) into Waste Management of New York LLC (DE) | 12/01/1999 | Assignment | 1 |
| Waste Management of Minnesota, Inc. acquired the stock of Quality Waste Control, Inc. | 08/05/1999 | Transfer of Control | 1 |
| Certain assets of Waste Management Inc. sold to Kellogg Cascade | 08/05/1999 | Assignment | 2 |
| Waste Management of Illinois, Inc. acquired the assets of C&A Disposal | 07/02/1999 | Assignment | 1 |
| Waste Management Inc. reduced its ownership interest in Onyx Environmental Services | 06/30/1999 | Transfer of Control | 12 |
| Waste Management of Connecticut, Inc. acquired the assets of Yaworski Trucking Co. | 05/12/1999 | Assignment | 1 |
| USA Waste of California acquired the stock of Arklin Brothers Enterprises | 03/11/1999 | Transfer of Control | 2 |
| Kato Sanitation, Inc. purchased the stock of C.D.M. Sanitation, Inc. | 01/06/1999 | Transfer of Control | 1 |
| USA Waste of California acquired the stock of Valley Garbage and Rubbish Co., Inc. dba Health Sanitation | 1999 | Transfer of Control | 1 |
| USA Waste of California acquired the stock of Green Valley Disposal Co., Inc. | 1999 | Transfer of Control | 1 |
| Waste Management acquired Miller's Sanitary Service, Inc. | 1999 | Transfer of Control | 2 |
| Hamm's Sanitation was merged into Waste Management of New Jersey, Inc. | 12/31/1998 | Assignment | 1 |
| Waste Management acquired the stock of S&S Grading Inc. with the Eastern Environmental Services, Inc. acquisition | 12/31/1998 | Transfer of Control | 1 |
| Waste Management acquired the stock of Bayside of Marion, Inc., with the Eastern Environmental Services, Inc. acquisition | 12/31/1998 | Transfer of Control | 1 |
| Waste Management, Inc. acquired the stock of Frank Stamato & Co., with the Eastern Environmental Services, Inc. acquisition | 12/31/1998 | Transfer of Control | 1 |
| Waste Management of Florida, Inc. was merged into Waste Management, Inc. of Florida | 12/29/1998 | Assignment | 1 |
| Waste Management Holdings, Inc. acquired the stock of Contractors Container Corporation | 12/11/1998 | Transfer of Control | 1 |
| The assets of USA Waste Hauling of Philadelphia Inc. dba Quick Way Inc. were sold to Republic Waste | 11/13/1998 | Assignment | 1 |
| Waste Management Inc. acquired the stock of Peninsula Sanitation | 11/10/1998 | Transfer of Control | 1 |
| USA Waste of Alaska, Inc. purchased assets of Tongass Sanitation, Inc. | 08/24/1998 | Assignment | 1 |
| USA Waste/Waste Management Merger | 07/16/1998 | Transfer of Control | 135 |
| Dissolved Oakland Scavenger Company Enterprises into Waste Management of Alameda County, Inc. | Prior to 7/16/1998 | Assignment | 1 |
| The stock of Wheelabrator EOS Inc. was sold to United States Filter Corporation | 04/01/1997 | Transfer of Control | 1 |
| Wheelabrator Water Technologies sold assets to United States Filter Corporation | 12/02/1996 | Assignment | 1 |
| Wheelabrator Martell Inc. acquired the assets of Martell Cogeneration Limited Partnership | 05/13/1996 | Assignment | 1 |
| Waste Management Inc. sold assets to Waste Industries | 1996 | Assignment | 1 |
| Environmental Industries merged into Waste Management of Missouri, Inc. | 12/31/1995 | Assignment | 1 |
| Wheelabrator Hudson Energy Company Inc. acquired the assets of Hudson Cogeneration Corp. | 07/09/1993 | Assignment | 1 |
| Fort Bragg Disposal Inc. was merged into Waste Management Collection and Recycling, Inc. | 12/31/1992 | Assignment | 1 |
| Assets of Kahle Refuse Service were acquired by Waste Management of Missouri, Inc. | 04/17/1992 | Assignment | 1 |
| Waste Management of Norwalk, Inc. purchased the assets of NRS Carting Inc. | 07/12/1990 | Assignment | 1 |