| Business | Phone |
| Colorado Real Estate Comm 1900 Grant St, Denver 80203 | (303) 894-2166 |
| Colorado Wildlife Div 6060 Broadway, Denver 80216 | (303) 291-7227 |
| Geological Survey 1313 Sherman St # 715, Denver 80203 | (303) 866-2611 |
| Goco 1600 Broadway, Denver 80202 | (303) 863-7522 |
| Wildlife Division 6060 Broadway, Denver 80216 | (303) 297-1192 |
| State Land Board 1313 Sherman St # 620, Denver 80203 | (303) 866-3454 |
| Minerals & Geology Div 1313 Sherman St # 215, Denver 80203 | (303) 866-3567 |
| Natural Resources Dept 1313 Sherman St # 718, Denver 80203 | (303) 866-3311 |