1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT Jurisdiction of Name Incorporation Assumed Names ---- ------------- ------------- USA Waste of Oklahoma, Inc. Oklahoma Norman Transfer Moore Transfer Pinecrest Landfill USA Waste of Texas, Inc. Texas ECO Waste Services Ellis County Landfill USA Waste of Fort Worth Mission Disposal, Inc. Texas Best Pak Disposal, Inc. Texas USA Waste of Illinois, Inc. Illinois Northshore Waste Control USA Waste Services Countryside Landfill, Inc. Illinois Lakeland Properties Illinois Central Illinois Disposal, Inc. Illinois Big Dipper Enterprises, Inc. North Dakota Dakota Landfill Waste Recovery Corporation Ohio USA Waste of Indiana, Inc. Indiana Liberty Disposal Earthmovers, Inc. Indiana Liberty Landfill, Inc. Indiana Soil Remediation of Philadelphia, Inc. Delaware West Virginia Waste Services, Inc. West Virginia Envirofil, Inc. Delaware Envirofil Services, Inc. Delaware EVH Co. Delaware Envirofil of Illinois, Inc. Illinois Leroy Brown Landfill Ellis-Scott, Inc. Missouri Sacramento Valley Environmental Waste Company California Mid-Valley Acquisition Corporation Delaware EWA, Inc. Delaware Stockton Scavengers Association California Kitsap County Sanitary Landfill, Inc. Washington Olympic View Sanitary Landfill Brem-Air Disposal, Inc. Oregon Brem-Med 2 North Sound Sanitation, Inc. Washington North-Med South Sound Sanitation, Inc. Washington South-Med Juan De Fuca Corrugated, Ltd. Washington Peninsula Recycling Stanwood Camano Disposal, Inc. Washington Environmental Waste of Skagit County, Inc. Washington Meadowbrook Carting Co. New Jersey Mid-Jersey Disposal, Inc. New Jersey Quality Recycling Co., Inc. New Jersey Forcees, Inc. New Jersey CleanSoils Fairless Hills, Inc. Minnesota U.S.A. Waste of Fairless Hills, Inc. Delaware Chambers Development Company, Inc. Delaware Chambers Clearview Environmental Landfill, Inc. Mississippi Chambers Development of Ohio, Inc. Ohio Chambers Development Virginia, Inc. Virginia Chambers Enterprises, Inc. Pennsylvania Chambers International, Inc. Delaware Chambers Laurel Highlands Landfill, Inc. Pennsylvania Chambers Maplewood Landfill, Inc. Virginia Chambers Medical Technologies, Inc. (Incorporated Pennsylvania 2/12/85) Chambers Medical Technologies, Inc. (Incorporated Pennsylvania 4/26/91 Chambers Medical Technologies of South Carolina, South Carolina Inc. Chambers New Jersey Land, Inc. New Jersey Chambers Oakridge Landfill, Inc. South Carolina Chambers Orange County Landfill, Inc. Florida Chambers Resources, Inc. Pennsylvania Chambers Richland County Landfill, Inc. South Carolina Chambers Services, Inc. Delaware Chambers Smyrna Landfill, Inc. Georgia Chambers Waste Systems of California, Inc. California Chambers Waste Systems of Florida, Inc. Florida Chambers Waste Systems of Mississippi, Inc. Mississippi -2- 3 Chambers Waste Systems of New Jersey, Inc. New Jersey Chambers Waste Systems of New York, Inc. New York Chambers Waste Systems of North Carolina, Inc. North Carolina Chambers Waste Systems of Ohio, Inc. Ohio Chambers Waste Systems of Rhode Island, Inc. Rhode Island Chambers Waste Systems of South Carolina, Inc. South Carolina Chambers Waste Systems of Texas, Inc. Texas Chambers Waste Systems of Virginia, Inc. Virginia Chambers of Delaware, Inc. Delaware Chambers of Georgia, Inc. Georgia Chambers of Illinois, Inc. Illinois Chambers of Indiana, Inc. Indiana Chambers of Maryland, Inc. Maryland Chambers of Massachusetts, Inc. Massachusetts Chambers of Mississippi, Inc. Mississippi Chambers of New Jersey, Inc. New Jersey Chambers of New Jersey Recycling, Inc. New Jersey Chambers of Pennsylvania, Inc. Pennsylvania Chambers of Tennessee, Inc. Tennessee Chambers of West Virginia, Inc. West Virginia Dauphin Meadows, Inc. Pennsylvania The H. Sienknecht Co. Tennessee LCS Services, Inc. West Virginia William H. Martin, Inc. Pennsylvania Morris County Transfer Station, Inc. New Jersey Rail-It Corporation Illinois Rail-It Limited Partnership Illinois Remote Landfill Services, Inc. Tennessee CDC Services, Inc. Delaware Southern Alleghenies Disposal Services, Inc. Pennsylvania U.S. Services Corporation Pennsylvania U.S. Utilities Services Corp. Pennsylvania Chambers R & B Landfill, Inc. Georgia Brazoria County Recycling Center, Inc. Texas Sunray Services, Inc. Delaware -3- 4 Old Dominion Recycling Services, Inc. Virginia White Bros. Trucking Company New Jersey Ellesor, Inc. New Jersey Safety Recycling Company, Inc. New Jersey Art-Jo Company New Jersey Fulton Sanitation Services, Inc. Arkansas -4-