| Business | Phone |
| 303 Auction 381 S Broadway, Denver 80209 | (303) 282-8466 |
| J & M Auction Co 5900 Federal Blvd # A, Denver 80221 | (720) 855-3132 |
| Baker Auction & Estate Sale 1775 S Broadway, Denver 80210 | (303) 617-8217 |
| Baker Auction & Estate Sale 5001 Oakland St, Denver 80239 | (303) 617-8217 |
| Baker Auction On Broadway 1775 S Broadway, Denver 80210 | (303) 744-2211 |
| Bruhns Auction Gallery 50 W Arizona Ave, Denver 80223 | (303) 744-6505 |
| Collectors Attic Auction 4700 National Western Dr, Denver 80216 | (303) 295-6258 |
| Collectors Attic Auction 5580 Havana St # 5a, Denver 80239 | (303) 295-6258 |
| Roller & Assoc 7500 York St, Denver 80229 | (303) 289-1600 |
| Sheldon Good & Co 7979 E Tufts Ave # 1030, Denver 80237 | (303) 740-6050 |
| Dickensheet & Assoc Inc 1501 W Wesley Ave, Denver 80223 | (303) 934-8322 |
| Donald Freedberg & Assoc 2734 S Milwaukee St, Denver 80210 | (303) 758-1510 |
| Estate Auction 4901 E Evans Ave, Denver 80222 | (303) 692-1167 |
| Gold Star Auctions Inc 950 S Milwaukee Way, Denver 80209 | (303) 744-3219 |
| Kildow Auction Co 411 S Lowell Blvd, Denver 80219 | (303) 922-4175 |
| Priddy's Auction Galleries Inc 5411 Leetsdale Dr, Denver 80246 | (303) 377-4411 |