| Transaction | Transaction Date | Unauthorized Action | No. Licenses |
| Sanifill of Hawaii, Inc. was merged into Waste Management of Hawaii, Inc. | 09/29/2000 | Transfer of control | 1 |
| USA Waste of New Jersey, Inc. was merged into Waste Management of New Jersey, Inc. | 09/29/2000 | Transfer of control | 5 |
| The stock of Klamath Disposal, Inc. was contributed by Waste Management Holdings, Inc. to Waste Management of Oregon, Inc. | 09/01/2000 | Transfer of control | 2 |
| The stock of Cal Sierra Disposal, Inc. was contributed by Waste Management Holdings, Inc. to USA Waste of California, Inc. | 09/01/2000 | Transfer of control | 2 |
| Waste Management of Oregon, Inc. was merged into USA Waste of Oregon, Inc. and the name of USA Waste of Oregon, Inc. was changed to Waste Management of Oregon, Inc. | 08/17/2000 | Transfer of control | 2 |
| Nevada City Garbage Service, Inc. was merged into USA Waste of California, Inc. | 06/01/2000 | Transfer of control | 2 |
| Miller's Sanitary Service, Inc. was merged into USA Waste of Oregon, Inc. | 03/31/2000 | Transfer of control | 2 |
| USA Waste of Pennsylvania, Inc. was merged into Waste Management of Pennsylvania, Inc. | 03/31/2000 | Assignment | 2 |
| Waste Management of Connecticut, Inc. contributed assets to Waste Management New England Transport, Inc. | 03/31/2000 | Assignment | 1 |
| Miller's Sanitary Service, Inc. was merged out of existence. | 03/31/2000 | Assignment | 2 |
| City Environmental Services, Inc. of Romulus was merged into Waste Management of Michigan, Inc. | 12/29/1999 | Assignment | 2 |
| Waste Management of Louisiana Holdings Two, Inc., which owned 1% of Waste Management of Louisiana, LLC, was merged into Waste Management of Louisiana Holdings One, Inc. | 12/20/1999 | Transfer of control | 7 |
| Waste Management of Hawaii, Inc. (HI) was merged into Waste Management of Hawaii, Inc. (DE) | 12/20/1999 | Assignment | 1 |
| Nick Raffo Garbage Co., Inc. was merged into Washington Waste Hauling & Recycling, Inc. | 12/20/1999 | Assignment | 1 |
| North Broward Holdings Inc. was merged into Wheelabrator Environmental Systems Inc. | 12/16/1999 | Transfer of control | 2 |
| South Broward Holdings Inc. was merged into Wheelabrator Environmental Systems Inc. | 12/16/1999 | Transfer of control | 1 |
| Eastern Environmental Services, Inc. was merged into Waste Management Holdings, Inc. | 12/16/1999 | Transfer of control | 2 |
| D&D Container, Inc. was merged into Waste Management of Utah, Inc. | 12/16/1999 | Assignment | 1 |
| Waste Management of North America, Inc. was merged into Waste Management Holdings, Inc. | 12/15/1999 | Transfer of control | 145 |
| The stock of S&S Grading, Inc. was contributed by Waste Management Holdings, Inc. to Chambers of West Virginia, Inc. | 12/01/1999 | Transfer of control | 1 |
| The stock of Bayside of Marion, Inc. was contributed by Waste Management Holdings, Inc. to Waste Management, Inc. of Florida | 12/01/1999 | Transfer of control | 1 |
| USA Waste Hauling of Philadelphia, Inc. merged into Waste Management of Pennsylvania, Inc. | 12/01/1999 | Assignment | 1 |
| West Essex Disposal was merged into Waste Management of New Jersey, Inc. | 1999 | Assignment | 1 |
| USA Waste of Arizona, Inc. was merged into Waste Management of Arizona, Inc. | 12/30/1998 | Assignment | 2 |
| United Waste Systems of Northern Arizona, Inc. was merged into Waste Management of Arizona, Inc. | 12/30/1998 | Assignment | 1 |
| Commercial Sanitation Service, Inc. was merged into USA Waste of Kentucky LLC | 12/30/1998 | Assignment | 1 |
| The assets of New Milford Landfill were contributed to a subsidiary of Waste Management of Connecticut, Inc., which was subsequently merged into New Milford Landfill, LLC, a subsidiary of USA Waste of Connecticut, Inc. | 12/29/1998 | Assignment | 1 |
| Waste Management of Pinellas County, Inc. was merged into Waste Management, Inc. of Florida | 12/29/1998 | Assignment | 1 |
| USA Waste of Arkansas, Inc. was merged into Waste Management of Arkansas, Inc. | 12/29/1998 | Assignment | 3 |
| HCS Sanitation, Inc. was merged into Waste Management of North Dakota, Inc. | 12/29/1998 | Assignment | 1 |
| Southern Waste Services Inc. was converted to a Delaware LLC as part of a 1998 entity reduction | 12/29/1998 | Assignment | 1 |
| USA Waste of Connecticut was merged into Waste Management of Connecticut, Inc. | 12/29/1998 | Assignment | 2 |
| United Waste Systems of Iowa, Inc. merged into Waste Management of Iowa, Inc. | 12/29/1998 | Transfer of control | 1 |
| Dietrich Sanitary Services, Inc. was merged into Waste Management of North Dakota, Inc. | 12/29/1998 | Assignment | 1 |
| Waste Management of Alabama, Inc. was merged into Waste Away Group, Inc. | 12/28/1998 | Assignment | 2 |
| USA Waste Services of Alabama, Inc. was merged into Waste Away Group, Inc. | 12/28/1998 | Transfer of control | 1 |
| West Michigan Disposal, Inc. was merged into Waste Management of Michigan, Inc. | 12/28/1998 | Assignment | 4 |
| USA Waste of Colorado, Inc. was merged into Waste Management of Colorado, Inc. | 12/24/1998 | Assignment | 2 |
| Colorado Waste Services, Inc. was merged into Waste Management of Colorado, Inc. | 12/24/1998 | Assignment | 1 |
| A-1 Transfer, Inc. was merged into Waste Management of Colorado, Inc. | 12/24/1998 | Assignment | 1 |
| USA Waste of Delaware, Inc. was merged into Waste Management of Delaware, Inc. | 12/23/1998 | Transfer of control | 3 |
| Commercial Disposal Co., Inc. was merged into Waste Management of Massachusetts, Inc. | 12/23/1998 | Assignment | 2 |
| United Waste Systems of New Mexico, Inc. was merged into Waste Management of New Mexico, Inc. | 12/23/1998 | Assignment | 1 |
| Waste Management Holdings, Inc. contributed the stock of Waste Management of Alameda County Inc. to USA Waste of California, Inc. | 12/01/1998 | Transfer of control | 6 |
| Waste Management of North America, Inc. contributed the stock of Waste Management of Leon County, Inc. to Waste Management Inc. of Florida | 12/01/1998 | Transfer of control | 2 |
| Waste Management of North America, Inc. contributed the stock of Trail Ridge Landfill Inc. to Waste Management, Inc. of Florida | 12/01/1998 | Transfer of control | 1 |
| USA Waste of Indiana Inc. was merged into Waste Management of Indiana, LLC | 12/01/1998 | Assignment | 2 |
| USA Waste/Waste Management Merger | 07/16/1998 | Transfer of control | 245 |
| USA Waste of Iowa, Inc. was merged into Waste Management of Iowa, Inc. | 1998 | Assignment | 1 |
| Longview of Mercer County was merged into USA Waste of New Jersey, Inc. | 1998 | Assignment | 1 |
| Waste Management of New York, Inc. assets were sold to Waste Management of New York, LLC | 1998 | Assignment | 6 |
| Waste Management of Tri-Cities Inc. was merged into Waste Management Inc. of Tennessee | 12/31/1997 | Assignment | 1 |
| Community Refuse Ltd. was merged into Waste Management Disposal Services of Pennsylvania, Inc. | 12/31/1997 | Assignment | 1 |
| CWM Chemical Services, Inc. was dissolved and the assets are now held by CWM Chemical Services, LLC | 1997 | Assignment | 1 |
| Wheelabrator Corporation was merged into Wheelabrator Water Technologies Inc. | 01/01/1996 | Assignment | 1 |
| Waste Management of Indiana Merger Sub, Inc. was merged into Waste Management of Indiana LLC | 12/31/1995 | Assignment | 2 |
| Waste Management of Indiana Merger Sub was merged into Chemical Waste Management of Indiana, LLC | 12/31/1995 | Assignment | 1 |
| Waste Management of Indiana, Inc. was merged into Waste Management of Indiana Merger Sub, Inc. | 12/15/1995 | Assignment | 3 |
| Waste Management of Kentucky Inc. was merged into Waste Management of Kentucky, LLC | 08/07/1995 | Assignment | 1 |
| SCA Services of Indiana, Inc. was merged into SC Holdings, Inc. | 12/31/1992 | Assignment | 1 |
| Waste Management of Seattle, Inc. was merged into Washington Waste Hauling and Recycling, Inc. | 12/31/1992 | Assignment | 1 |
| Waste Management of Norwalk, Inc. was merged into Waste Management of Connecticut, Inc. | 12/31/1991 | Assignment | 1 |