| | | | | |
| | | | | Other Names |
| | | State of | | Under Which |
| | | Incorporation/ | | Conducts |
| Subsidiary | | Organization | | Business |
| MDSI OF LA, INC. | | California | | |
| MILLENIUM WASTE INCORPORATED | | Indiana | | Quad Cities Landfill |
| MISSION COUNTRY DISPOSAL | | California | | |
| MORRO BAY GARBAGE SERVICE | | California | | |
| MURREY’S DISPOSAL COMPANY, INC. | | Washington | | Olympic Disposal |
| NEBRASKA ECOLOGY SYSTEMS, INC. | | Nebraska | | |
| NOBLES COUNTY LANDFILL, INC. | | Minnesota | | |
| NORTHERN PLAINS DISPOSAL, INC. | | Delaware | | |
| NORTHWEST CONTAINER SERVICES, INC. | | Oregon | | |
| OKLAHOMA CITY WASTE DISPOSAL, INC. | | Oklahoma | | |
| OKLAHOMA LANDFILL HOLDINGS, INC. | | Delaware | | |
| OSAGE LANDFILL, INC. | | Oklahoma | | |
| PIERCE COUNTY RECYCLING COMPOSTING & DISPOSAL, LLC | | Washington | | LRI |
| POTRERO HILLS LANDFILL, INC. | | California | | Potrero Hills Landfill |
| PSI ENVIRONMENTAL SERVICES INC. | | Indiana | | PSI WASTE |
| PSI ENVIRONMENTAL SYSTEMS, INC. | | Indiana | | PSI WASTE |
| PUEBLO SANITATION, INC. | | Colorado | | |
| PUYALLUP ENERGY RECOVERY COMPANY, LLC | | Washington | | |
| R.A. BROWNRIGG INVESTMENTS, INC. | | Oregon | | Cascade Disposal Company |
| | | | | Cascade Recycling Co. |
| | | | | Kelvic Disposal Co. |
| | | | | Kelvic Dropbox Company |
| | | | | Sun Country Disposal |
| RAILROAD AVENUE DISPOSAL, LLC | | Delaware | | |
| RED CARPET LANDFILL, INC. | | Oklahoma | | |
| RH FINANCIAL CORPORATION | | Washington | | |
| R.J.C. TRUCKING CO. | | Oregon | | Eugene Drop Box |
| RURAL WASTE MANAGEMENT, INC. | | Oklahoma | | |
| SANIPAC, INC. | | Oregon | | |
| SAN LUIS GARBAGE COMPANY | | California | | |
| SCOTT SOLID WASTE DISPOSAL COMPANY | | Tennessee | | Reliable Waste Services |
| | | | | TWM-Landfill |
| SCOTT WASTE SERVICES, LLC | | Kentucky | | |
| SEABREEZE RECOVERY, INC. | | Delaware | | Seabreeze Environmental |
| | | | | Seabreeze Environmental Landfill |
| SEDALIA LAND COMPANY | | Colorado | | |
| SILVER SPRINGS ORGANICS L.L.C. | | Washington | | |
| SOUTH COUNTY SANITARY SERVICE, INC. | | California | | |
| SOUTHERN PLAINS DISPOSAL, INC. | | Delaware | | |
| STUTZMAN REFUSE DISPOSAL, INC. | | Kansas | | |
| TACOMA RECYCLING COMPANY, INC. | | Washington | | |
| TENNESSEE WASTE MOVERS, INC. | | Delaware | | Volunteer Landfill |
| THE TRASH COMPANY, LLC | | Colorado | | |
| VOORHEES SANITATION, L.L.C. | | Idaho | | |
| WASCO COUNTY LANDFILL, INC. | | Delaware | | Republic Services of Oregon I |
| WASTE CONNECTIONS MANAGEMENT SERVICES, INC. | | Delaware | | |
| WASTE CONNECTIONS OF ALABAMA, INC. | | Delaware | | Competitive Waste Systems |
| WASTE CONNECTIONS OF ARIZONA, INC. | | Delaware | | |
| WASTE CONNECTIONS OF ARKANSAS, INC. | | Delaware | | |
| WASTE CONNECTIONS OF CALIFORNIA, INC. | | California | | Amador Disposal Service |
| | | | | Bear Valley Disposal Service |
| | | | | Betts Disposal Service |
| | | | | Calaveras Sanitation Services |
| | | | | Ebbetts Pass Disposal Service |
| | | | | El Dorado Disposal Service |
| | | | | GreenTeam |
| | | | | GreenTeam of San Jose |
| | | | | GreenWaste of Tehama |
| | | | | GT Waste |
| | | | | Mother Lode Sani-Hut |
| | | | | Rent-A-Bin |
| | | | | Sani-Hut Portable Toilets |
| | | | | SEI Debris Box |
| | | | | SEI Solid Waste |
| | | | | West Valley Collection & Recycling |
| | | | | Western El Dorado Recovery Systems |
| | | | | Westside Sanitation |
| WASTE CONNECTIONS OF COLORADO, INC. | | Delaware | | All Trash Service |
| | | | | Aspen Waste |
| | | | | Aspen Waste Systems |
| | | | | Community Recycling |
| | | | | Denver Roll-Off Service |
| | | | | Diamond Disposal |
| | | | | El Paso Disposal Services |
| | | | | Fremont Disposal |
| | | | | Horizon Property Management |
| | | | | Platte Valley Disposal |
| | | | | Pueblo Disposal |
| | | | | Pueblo Disposal & Recycling Service |
| | | | | Snowy Peaks Trash Company |
| | | | | Solid Waste Transfer Services |
| | | | | The Trash Company |
| | | | | Town & Country Disposal |
| | | | | U.S. Disposal |
| | | | | U.S. Disposal Services |
| WASTE CONNECTIONS OF GEORGIA, INC. | | Delaware | | Baxter Waste Systems |
| WASTE CONNECTIONS OF IDAHO, INC. | | Indiana | | Mountain Jack Environmental Services |
| | | | | T, T & R Enterprises |
| | | | | Valley Waste and Recycling |
| WASTE CONNECTIONS OF ILLINOIS, INC. | | Delaware | | Millenium Waste |
| WASTE CONNECTIONS OF IOWA, INC. | | Iowa | | EZ Roll Off |
| | | | | EZ Roll Off Systems |
| | | | | E-Z Sanitation |
| | | | | Frangenberg Sanitation |
| | | | | Huberg Solid Waste Management |
| | | | | Millenium Waste |
| | | | | Stone Roll-Off |
| | | | | Stone Sanitation |
| | | | | Town & Country Disposal |
| | | | | Whaley Waste Systems |
