| Business | Phone |
| Decision Sciences Research 236 W Mountain St, Pasadena 91103 | (626) 793-9051 |
| American Institute Of Mgmt 530 S Madison Ave # 7, Pasadena 91101 | (626) 795-0020 |
| Observatories Of The Carnegie 813 Santa Barbara St, Pasadena 91101 | (626) 577-1122 |
| Research Affiliates Llc 800 E Colorado Blvd # 870, Pasadena 91101 | (626) 584-5727 |
| M S Research Inc 1 S Fair Oaks Ave # 403, Pasadena 91105 | (626) 792-3111 |
| Philliber Research Assoc 30 N Raymond Ave, Pasadena 91103 | (626) 795-3775 |
| Akiyama & Assoc 975 S Oakland Ave, Pasadena 91106 | (626) 792-0908 |
| Arrowhead Research 1118 E Green St, Pasadena 91106 | (626) 792-5549 |
| Q Step Technologies 129 N Hill Ave, Pasadena 91106 | (925) 867-2981 |