| ACADEMY SCHOOL DISTRICT 20 | 1104219 | COLORADO SPRINGS | 50 |
| ACADEMY SPORTS TURF INC | 4435527 | ENGLEWOOD | 8 |
| ACADEMY TRANSPORTATION | 2489479 | AURORA | 7 |
| ACAMERA CORPORATION | 3784807 | DENVER | 2 |
| ACAPPELLA FREIGHT LLC | 2063351 | DENVER | 0 |
| ACATLAN TRANSPORTATION INC | 1640588 | PUEBLO | 1 |
| ACC AUTO LLC | 4481448 | COLORADO SPRINGS | 1 |
| ACC COMPACTORS LLC | 6695027 | DENVER | 1 |
| ACCEL CONSTRUCTION LLC | 1804162 | LITTLETON | 3 |
| ACCELER8 TOWING LLC | 3256962 | COMMERCE CITY | 4 |
| ACCELERATED MEDICAL SERVICES | 949949 | DENVER | 6 |
| ACCELERATED SERVICES LLC | 873632 | ENGLEWOOD | 576 |
| ACCELERATED TRANSPORT SERVICES LLC | 2214597 | ARVADA | 0 |
| ACCENT CORPORATION | 1643066 | DENVER | 5 |
| ACCENT DECORATIVE CONCRETE LLC | 1769852 | DENVER | 3 |
| ACCENT LANDSCAPES INC OF COLORADO SPRINGS | 1090910 | COLORADO SPRINGS | 2 |
| ACCENT LANDSCAPING INC | 3115601 | WESTMINSTER | 8 |
| ACCENT ON TOPS INC | 2429743 | NEW CASTLE | 1 |
| ACCENT PROPERTY SERVICES LLC | 1901113 | LAFAYETTE | 2 |
| ACCENT TREE & SHRUB SERVICE | 2797476 | FRUITA | 0 |
| ACCESS CONSTRUCTION COMPANY INC | 1670600 | PALMER LAKE | 4 |
| ACCESS LIMOUSINE | 949962 | DENVER | 3 |
| ACCESS METALS INC | 876197 | DENVER | 3 |
| ACCESS MOBILE WELDING | 3064358 | BLACK HAWK | 2 |
| ACCESS TOWING | 1090657 | DENVER | 1 |
| ACCESS TOWING&RECOVERY | 3251959 | WESTMINSTER | 1 |
| ACCESS TRANSPORT INC | 1275750 | ARVADA | 1 |
| ACCESS TREE CARE INC | 3128830 | LOVELAND | 12 |
| ACCESSA DENVER LLC | 2931791 | ENGLEWOOD | 1 |
| ACCET ALARMS INC | 1799905 | LAKEWOOD | 1 |
| ACCLAIM TRUCKING LLC | 1607747 | PAGOSA SPRINGS | 1 |
| ACCLAIMED PAINTING | 2324173 | FIRESTONE | 1 |
| ACCLIMATE HEATING & COOLING INC | 2292667 | EAGLE | 2 |
| ACCORD PROPERTY SERVICES | 2857648 | FORT COLLINS | 1 |
| ACCORD TRANSPORT LLC | 3249932 | AURORA | 1 |
| ACCORD TRANSPORTATION LLC | 2270482 | AURORA | 2 |
| ACCORD TRUCKING LLC | 1084535 | AURORA | 1 |
| ACCURATE CONCRETE CUTTING LLC | 4174668 | GRAND JUNCTION | 2 |
| ACCURATE CONSTRUCTION & EXCAVATION INC | 1083930 | GRAND JUNCTION | 1 |
| ACCURATE CORE DRILLING INC | 2948839 | KIOWA | 1 |
| ACCURATE CUT CONSTRUCTION LLC | 3156592 | AURORA | 1 |
| ACCURATE EXCAVATION INC | 1788042 | BUENA VISTA | 1 |
| ACCURATE GRADING LLC | 2832060 | CENTENNIAL | 5 |
| ACCURATE INSULATION OF COLORADO LLC | 2956142 | GRAND JUNCTION | 33 |
| ACCURATE OILFIELD SERVICES INC | 2432862 | BURLINGTON | 1 |
| ACCURATE RAIN GUTTERS | 2920760 | PEYTON | 2 |
| ACCURATE ROOFING INC | 1385512 | DENVER | 3 |
| ACCURATE WEED SPRAYING LLC | 3244853 | LOMA | 1 |
| ACCURATE WINDOW & DOOR CENTER INC | 1181441 | ENGLEWOOD | 3 |
| ACCUSPRAY OF NORTHERN COLORADO | 2591785 | FORT COLLINS | 1 |
| ACCUSTOM BROKERAGE LLC | 4136630 | AURORA | 0 |
| ACCUTEMP INC | 3112297 | WINDSOR | 3 |
| ACCUTEMP INC | 2330184 | LOVELAND | 1 |
| ACD TRUCKING INC | 2979995 | DENVER | 1 |
| ACE ALL COLORADO EXTERIORS INC | 2463587 | THORNTON | 1 |
| ACE CONTRACTING LLC | 3171348 | PARKER | 3 |
| ACE DISPOSAL INC | 992998 | SANFORD | 5 |
| ACE DISTRIBUTING INC | 2360642 | BAYFIELD | 1 |
| ACE ENERGY SERVICES LLC | 2155063 | GREELEY | 11 |
| ACE EQUIPMENT & SUPPLY CO INC | 895922 | HENDERSON | 1 |
| ACE EXCAVATING INC | 1166908 | PARKER | 1 |
| ACE EXPRESS COACHES LLC | 2589674 | GOLDEN | 141 |
| ACE EXPRESS LLC | 3388216 | AURORA | 1 |
| ACE FARMS LLC | 4197370 | BURLINGTON | 3 |
| ACE GAMES INC | 1232789 | WHEAT RIDGE | 1 |
| ACE GAS & SUPPLY LLC | 3422505 | DENVER | 1 |
| ACE HARDWARE | 511849 | ENGLEWOOD | 1 |
| ACE HAULING LLC | 4249222 | AUSTIN | 2 |
| ACE IN YOUR POCKET INC | 2824091 | ALAMOSA | 1 |
| ACE INSULATION LLC | 872524 | GRAND JUNCTION | 3 |
| ACE INSULATION LLC | 881553 | COLORADO SPRINGS | 2 |
| ACE IS ONE | 2311743 | PUEBLO | 1 |
| ACE LOGISTICS LLC | 2928316 | AURORA | 0 |
| ACE OF BLADES LAWN & LANDSCAPING | 2463620 | JOHNSTOWN | 7 |
| ACE PAVEMENT LLC | 2330072 | THORTHON | 3 |
| ACE RECYCLING | 2945862 | FORT LUPTON | 3 |
| ACE RENT TO OWN | 1263259 | LAKEWOOD | 1 |
| ACE SEAMLESS GUTTER LLC | 2014052 | PUEBLO | 2 |
| ACE TILE COMPANY INC | 1169712 | DENVER | 3 |
| ACE TIRE SERVICE LLC | 1777434 | LAMAR | 3 |
| ACE TOWING ENTERPRISE INC | 1075274 | LAKEWOOD | 34 |
| ACE TOWING LLC | 2032912 | GYPSUM | 1 |
| ACE TRANSPORTS LLC | 3615639 | KEENESBURG | 3 |
| ACE TREE CARE INCORPORATED | 3610597 | LITTLETON | 1 |
| ACE TRUCKING | 1029867 | COLORADO SPRINGS | 1 |
| ACE TRUCKING COMPANY LLC | 3890594 | DENVER | 2 |
| ACE TRUCKING LLC | 1458109 | MEEKER | 5 |
| ACE WELDING | 1194285 | GALETON | 0 |
| ACE'S GARDEN & LANDSCAPE LLC | 4369239 | COLORADO SPRINGS | 1 |
| ACENTERPRISE TRANSPORT LLC | 4334456 | AURORA | 1 |
| ACER PLANT HEALTH CARE | 2118680 | WHEAT RIDGE | 2 |
| ACERO LLC | 4260669 | BRIGHTON | 3 |
| ACES CASINO EQUIPMENT INC | 1710663 | SHERIDAN | 3 |
| ACES ENERGY SOLUTIONS LLC | 3907188 | GRAND JCT | 12 |
| ACES HIGH SERVICES INC | 1129945 | STEAMBOAT SPRINGS | 13 |
| ACEVEDO TOWING LLC | 4108561 | DENVER | 1 |
| ACEVEDO TRANSPORT LLC | 4219666 | COMMERCE CITY | 1 |
| ACEVEDO TRUCKING LLC | 3127539 | HUDSON | 2 |
| ACEVEDO'S CONCRETE | 2211444 | DENVER | 1 |
| ACEVEDO'S TOWING | 1340911 | AURORA | 2 |