| Business | Phone |
| Integrity Intl Speaker Bureau 2810 W Bates Ave, Denver 80236 | (720) 842-0600 |
| Brooks International Speakers 763 Santa Fe Dr, Denver 80204 | (303) 825-8700 |
| Denver Forum 1410 Grant St, Denver 80203 | (303) 832-9030 |
| Dynamic Seminar Resources 715 Cook St, Denver 80206 | (303) 388-1038 |
| Humor Profits 2447 S Colorado Blvd # 411, Denver 80222 | (303) 639-5920 |
| Img Denver 80206 | (303) 377-7870 |
| Tom Kimball 191 University Blvd # 214, Denver 80206 | (303) 902-4458 |
| Laughter Allowed Denver 80206 | (303) 331-2434 |
| Lifebound 1530 High St, Denver 80218 | (303) 327-5688 |
| Sabah & Co 2512 S University Blvd # 503, Denver 80210 | (303) 722-7200 |