| ADVANCED CARPET CLEANING AND DISASTER RESTORATION INC | 2393584 | ERIE | 3 |
| ADVANCED COLLISION CENTERS III INC | 2094639 | NORTHGLENN | 2 |
| ADVANCED CONCRETE CONSTRUCTION INC | 1164332 | SHERIDAN | 4 |
| ADVANCED CONCRETE INC | 2538420 | EATON | 1 |
| ADVANCED CONCRETE OF COLORADO LLC | 1566216 | GRAND JUNCTION | 1 |
| ADVANCED CONCRETE SOLUTIONS INC | 1369322 | DURANGO | 22 |
| ADVANCED CONSTRUCTION LTD | 3159426 | SALIDA | 2 |
| ADVANCED CONSTRUCTION SYSTEMS LLC | 1161901 | COLORADO SPRINGS | 1 |
| ADVANCED CONTRACTING GROUP LLC | 1080405 | PLATTEVILLE | 8 |
| ADVANCED CURB DESIGN LLC | 3481914 | FORT COLLINS | 2 |
| ADVANCED DAIRY SERVICE INC | 4399087 | EVANS | 3 |
| ADVANCED DELIVERY SOLUTIONS LLC | 2357358 | PARKER | 2 |
| ADVANCED DIESEL & MOBILE REPAIR LLC | 3653866 | FORT COLLINS | 1 |
| ADVANCED DIESEL PRO | 2864162 | GYPSUM | 1 |
| ADVANCED DIESEL REPAIR LLC | 4302342 | ERIE | 1 |
| ADVANCED DIGITAL INFORMATION CORP | 1448400 | ENGLEWOOD | 1 |
| ADVANCED ENERGY INDUSTRIES INC | 2077226 | FORT COLLINS | 2 |
| ADVANCED EQUIPMENT INC | 2420747 | COLORADO SPRINGS | 1 |
| ADVANCED FLOOR CONCEPTS LLC | 1134277 | CASTLE ROCK | 10 |
| ADVANCED FLOOR REMOVAL INC | 1311679 | ENGLEWOOD | 1 |
| ADVANCED GARAGE DOOR INC. | 2868841 | SILT | 4 |
| ADVANCED GENERATION LANDSCAPING LLC | 3827174 | PEYTON | 3 |
| ADVANCED HARDSCAPE LLC | 2477416 | LAKEWOOD | 7 |
| ADVANCED HYDRONICS INC | 1380469 | DENVER | 5 |
| ADVANCED INSULATION LLC | 1835095 | FRANKTOWN | 1 |
| ADVANCED KEY SOLUTIONS LLC | 4221495 | COLORADO SPRINGS | 1 |
| ADVANCED LANDSCAPE & DESIGN INC | 2933551 | ELIZABETH | 4 |
| ADVANCED LAUNDRY SYSTEMS LLC | 2929564 | GOLDEN | 1 |
| ADVANCED LAWN CARE AND LANDSCAPE DESIGN LLC | 3539982 | FORT COLLINS | 4 |
| ADVANCED MANUFACTURING TECHNOLOGY FOR BOTTLES INC | 1472476 | LOVELAND | 2 |
| ADVANCED MECHANICAL SERVICES INC | 2328789 | FORT LUPTON | 1 |
| ADVANCED METAL SOLUTIONS LLC | 7783386 | FORT COLLINS | 1 |
| ADVANCED MUDJACKING INC | 1207177 | WHEAT RIDGE | 1 |
| ADVANCED PAVE & SEAL LLC | 3005853 | COLORADO SPRINGS | 2 |
| ADVANCED POOLS AND SPAS INC | 3340827 | GOLDEN | 5 |
| ADVANCED POWDER COATING | 1250748 | COLORADO SPRINGS | 2 |
| ADVANCED PROCESS SOLUTIONS LLP | 4399690 | THORNTON | 0 |
| ADVANCED PRODUCTS AND SERVICES LLC | 2641619 | BRIGHTON | 0 |
| ADVANCED PROPERTY MAINTENANCE | 3592267 | CASTLE ROCK | 2 |
| ADVANCED PROPERTY MAINTENANCE | 1344787 | CASTLEROCK | 6 |
| ADVANCED REFRIGERATION INC | 2839227 | COMMERCE CITY | 10 |
| ADVANCED REPAIR & TRUCKING LLC | 4293970 | SILT | 1 |
| ADVANCED ROOFING CONCEPTS LLC | 1653881 | COLORADO SPRINGS | 1 |
| ADVANCED ROOFING TECHNOLOGIES LTD | 1270033 | WINDSOR | 1 |
| ADVANCED ROTO LLC | 4198028 | YUMA | 1 |
| ADVANCED SEPTIC LLC | 3578597 | COLORADO SPGS | 2 |
| ADVANCED SERVICE PRODUCTS INC | 1192092 | PARKER | 1 |
| ADVANCED SOURCE & SUPPLY LLC | 1477066 | FT COLLINS | 1 |
| ADVANCED SPECIALTY CONTRACTING | 4361362 | DENVER | 2 |
| ADVANCED SURFACE TECHNOLOGIES | 1310166 | ARVADA | 2 |
| ADVANCED TOWING | 1775536 | COLORADO SPRINGS | 8 |
| ADVANCED TOWING | 1574089 | COLORADO SPRINGS | 2 |
| ADVANCED TRAILER SERVICES LLC | 3088761 | BRIGHTON | 1 |
| ADVANCED TRANSPORTATION CONSULTING LLC | 2228591 | COLORADO SPRINGS | 0 |
| ADVANCED TRANSPORTATION SERVICES | 3700147 | AURORA | 1 |
| ADVANCED TREE AND LAWN CONCEPTS INC | 1607698 | GOLDEN | 7 |
| ADVANCED TREE SERVICE LLC | 2439776 | COLORADO SPRINGS | 1 |
| ADVANCED TRUCK SERVICES LLC | 4537613 | COMMERCE CITY | 1 |
| ADVANCED UNDERGROUND CONSTRUCTION LLC | 1671493 | GLENWOOD SPRINGS | 2 |
| ADVANCED WASTE REMOVAL INC | 1268065 | LAKEWOOD | 1 |
| ADVANCED WINDOWARE INC | 1426563 | ENGLEWOOD | 1 |
| ADVANTAGE ADVERTISING INC | 1005352 | ENGLEWOOD | 1 |
| ADVANTAGE AUTO RECOVERY LLC | 2146244 | DENVER | 1 |
| ADVANTAGE BROKERAGE CORPORATION | 2246954 | LOVELAND | 0 |
| ADVANTAGE DESIGNS INC | 1815976 | LAKEWOOD | 1 |
| ADVANTAGE ELECTRIC INC | 1729645 | ARVADA | 1 |
| ADVANTAGE EQUIPMENT RENTAL LLC | 4180849 | LONGMONT | 1 |
| ADVANTAGE EXCAVATING & CONSTRUCTION | 1624593 | FAIRPLAY | 0 |
| ADVANTAGE EXPRESS TRANSPORTATION LLC | 2392044 | AURORA | 2 |
| ADVANTAGE FEEDYARD LLC | 3056591 | STERLING | 2 |
| ADVANTAGE HOOD WORKS | 3596369 | GREELEY | 1 |
| ADVANTAGE MOVING SYSTEMS LLC | 3059272 | GREELEY | 2 |
| ADVANTAGE RUBBISH LLC | 1080639 | GUNNISON | 3 |
| ADVANTAGE SERVICES INC | 4238595 | ARVADA | 13 |
| ADVANTAGE SOLAR LLC | 4166429 | COLORADO SPRINGS | 1 |
| ADVANTAGE STONE FABRICATION | 1398310 | LONGMONT | 2 |
| ADVENTIST MEDIA CENTER | 2939407 | LOVELAND | 1 |
| ADVENTURE OUTDOORS LLC | 4060754 | GLENWOOD SPGS | 15 |
| ADVENTURE TRAVEL WEST INC | 3979746 | LAKEWOOD | 5 |
| ADVENTURE UNLIMITED | 2639203 | BUENA VISTA | 4 |
| ADVENTURE WEST INC | 3877265 | GOLDEN | 3 |
| ADVENTURES IN CHILDCARE | 2328453 | EVERGREEN | 1 |
| ADVENTURES IN CHILDCARE LLC | 3115002 | EVERGREEN | 2 |
| ADVENTURES OUT WEST BALLOONS INC | 4151001 | COLORADO SPRINGS | 1 |
| ADZ TOURS LLC | 3657990 | AURORA | 5 |
| ADZ TRUCKING LLC | 1130042 | WRAY | 2 |
| AE & J CHAVEZ EXPRESS LLC | 3533660 | HOLYOKE | 2 |
| AECIVIL INC | 2862666 | ARVADA | 1 |
| AED ABATEMENT SERVICES INC | 2821315 | FORT COLLINS | 1 |
| AED TRUCKING LLC | 4389196 | BRIGHTON | 1 |
| AEE TRUCKING LLC | 3023661 | HUDSON | 2 |
| AEG TRUCKING LLC | 4372625 | DENVER | 1 |
| AEI TRANSPORT LLC | 3203265 | EDGEWATER | 1 |
| AEJ TRUCKING LLC | 3768824 | DENVER | 1 |
| AEP18 TRANSPORTS LLC | 4496053 | DENVER | 1 |
| AER TRUCKING LLC | 1905453 | MEEKER | 1 |
| AERIAL CRANE SERVICE | 1069025 | SALIDA | 2 |
| AERIAL TELECOM LINES CONSTRUCTION OF COLORADO LLC | 3169916 | FORT LUPTON | 4 |
| AERIS INDOOR AIR QUALITY | 1829249 | BRIGHTON | 1 |
| AERO APPLICATORS INC | 1102102 | STERLING | 9 |