| Business | Phone |
| Advocates Against Domestic 2309 E Main St, Trinidad 81082 | (719) 000-1111 |
| Trinidad Animal Control 143 N Chestnut St, Trinidad 81082 | (719) 680-2385 |
| Trinidad Bridge Dept 223 S Chestnut St, Trinidad 81082 | (719) 846-9309 |
| Trinidad Community Ctr 1309 Beshoar Ave, Trinidad 81082 | (719) 846-4454 |
| Trinidad Electric 135 N Animas St, Trinidad 81082 | (719) 846-9843 |
| Trinidad Gas Dept 215 N Linden Ave, Trinidad 81082 | (719) 846-2563 |
| Trinidad Land Fill 2401 N State St, Trinidad 81082 | (719) 846-2538 |
| Trinidad Power Plant 1925 E Main St, Trinidad 81082 | (719) 846-2721 |
| Trinidad Propane Air Plant 500 W Cedar, Trinidad 81082 | (719) 846-9380 |
| Trinidad Sewer Plant 13000 County Road 26 2/10, Trinidad 81082 | (719) 846-3990 |