| Compumentor | 1919 14th St., Boulder, CO 80302 |
| GF&B Data Research | 1405 Krameria St, Denver, CO 80220 |
| Mallard Software | 203 S. Sherwood St., Ft. Collins, CO 80521 |
| Memotech | 7550 West Yale Ave., #200, Denver, CO 80227 |
| Microtech Marketing | 1418 Lansing St, Aurora, CO 80010 |
| Peak | Boulder, CO 80306 |
| Randy Campbell | 2843 B Monroe Ln, Grand Junction, CO 81503 |
| Roman Software | 788 Mercury Circle, Littleton, CO 80124 |
Scientific Computing
Published astronomy software. | Littleton, CO 80123 |
| Screenmakers | 351 Badger, Guffey, CO 80820 |
| Signature Software | Blanca, CO 81123 |
| Verlin K. Cross | 2842 County Rd., Leadville, CO 80461 |
| William Don Maples | 688 Moore St., Lakewood, CO 80215 |
| ZOR KHAN Industries | Aurora, CO 80041 |
