| 100th Monkey Resource Center | Map It! | 2885 Aurora Avenue | Boulder, CO 80303 | (303) 443-2155 |
| Beauty & Day Spas, Massage & Bodywork, Massage Equipment & Supplies, Therapeutic Massage, Health Maintenance Organizations | email |
| 1st Avenue Chiropractic | Map It! | 3737 East 1st Avenue Suite B | Denver, CO 80206 | (303) 394-6019 |
| Clinics, Chiropractors | |
| 1st Rate Insurance | Map It! | 457 Main Street | Longmont, CO 80501 | (303) 774-0120 |
| Medical Services, Insurance | |
| 24 Hour Fitness | Map It! | 12039 West Alameda Parkway Suite Z-3 | Denver, CO 80228 | (303) 763-7591 |
| Health Clubs & Gyms, Sports & Recreation Clubs & Organizations, Health & Diet Foods Retail, Nutrition Consultants, Health Maintenance Organizations | |
| A - Colorado Springs Medicare Supplement Broker | Map It! | 1306 Diana Lane | Colorado Springs, CO 80909 | (719) 387-8293 |
| Health Insurance, Dental Insurance, Cancer Insurance, Medicare Supplemental & Long Term Care Insurance, Accident & Health Insurance | email |
| A Ace Agency Group | Map It! | 3617 Betty Drive | Colorado Springs, CO 80917 | (719) 360-2100 |
| Accident & Health Insurance | |
| A Affordable Health Insurance | Map It! | 21466 Uncompahgre Road | Montrose, CO 81403 | (970) 249-5650 |
| Insurance, Accident & Health Insurance | |
| A Affordable Health Insurance | Map It! | 264 Surrey Street | Carbondale, CO 81623 | (970) 948-4805 |
| Medical Services, Insurance | |
| A Caring Choice for Women | Map It! | | Parker, CO 80134 | (303) 840-5700 |
| Abortion Information & Referral Services, Physicians & Surgeons, Gynecology & Obstetrics Physicians & Surgeons | |
| A Caring Choice for Women | Map It! | | Littleton, CO 80123 | (303) 840-5700 |
| Abortion Information & Referral Services | |
| A Plus Affordable Health | Map It! | 2103 S Wadsworth Boulevard # 102 | Denver, CO 80227 | (303) 935-0081 |
| Medical Services, Insurance | |
| A Plus Affordable Health | Map It! | 2103 S Wadsworth Boulevard | Lakewood, CO 80227 | (303) 989-0258 |
| Health Insurance, Insurance, Health Care Plans | |
| A Plus Insurance | Map It! | | Denver, CO 80202 | (303) 355-2337 |
| Health Insurance, Insurance | |
| A Plus Smart Health Insurance | Map It! | 3300 Arapahoe Avenue | Boulder, CO 80303 | (303) 442-1275 |
| Health Insurance | |
| A Plus Smart Health Insurance Agency | Map It! | | Dillon, CO 80435 | (970) 468-1252 |
| Dental Insurance | |
| A R Service LLC | Map It! | 715 Horizon Drive # 455 | Grand Junction, CO 81506 | (970) 242-2740 |
| Billing Services, Medical Billing Services | |
| A Village Pharmacy | Map It! | 3277 W Carefree Circle | Colorado Springs, CO 80917 | (719) 596-2141 |
| Drug Stores & Pharmacies, Pharmacists, Breastfeeding Information, Breast Pumps Sales & Rental | |
| AAA Advanced Air Ambulance | Map It! | International & Cent | Englewood, CO 80110 | (303) 220-0890 |
| Ambulance Services, Emergency Ambulance Services, Air Ambulance Services, Aircraft Charter Rental & Leasing | |
| Abacus Business Insurance | Map It! | 1906 13th Street # 300 | Boulder, CO 80302 | (303) 938-1714 |
| Medical Services, Insurance, Health Care Plans | |
| ABC Legal Docs, Jerry Lucas, Notary Public | Map It! | | Colorado Springs, CO 80917 | (719) 591-0433 |
| Hospital & Medical Service Plans | email |
| ABC Medical Billing | Map It! | 8100 Ralston Road # 121 | Arvada, CO 80002 | (720) 848-0870 |
| Billing Services, Accounting Auditing & Bookkeeping Services, Medical Billing Services, Health Associations | |
| ABC Medical Billing | Map It! | 8100 Ralston Road Suite 121 | Arvada, CO 80002 | (402) 391-7979 |
| Medical Billing Services, Health Associations | |
| Abortion Medical Service | Map It! | 850 E Harvard Avenue # 565 | Denver, CO 80210 | (303) 733-5515 |
| Abortion Information & Referral Services | |
| Academy Medical Billing Services | Map It! | 2575 Wheaton Drive | Colorado Springs, CO 80904 | (719) 636-2838 |
| Billing Services, Medical Billing Services | |
| Accelerate Physical Therapy | Map It! | 11651 W 64th Avenue # A5 | Arvada, CO 80004 | (303) 421-2210 |
| Physical Therapists | |
