| Business | Phone |
| Comm Sciences 6210 Wilshire Blvd # 200, Los Angeles 90048 | (323) 937-7607 |
| Dynamation Research 2301 Pontius Ave, Los Angeles 90064 | (310) 477-1224 |
| Higher Education Research 3005 Moore Hall, Los Angeles 90095 | (310) 825-1925 |
| La Research & Development 4718 Fountain Ave # F, Los Angeles 90029 | (323) 960-5298 |
| Strategic Research Institute 1801 Avenue Of The Stars, Los Angeles 90067 | (310) 649-7880 |
| William Valasquez Institute 2914 N Main St, Los Angeles 90031 | (323) 222-2217 |
| Friends Research Institute 11400 W Olympic Blvd, Los Angeles 90064 | (310) 312-5026 |
| Pacific Institute-Med Research 11500 W Olympic Blvd, Los Angeles 90064 | (310) 826-7077 |
| Research Unlimited 2227 Balsam Ave, Los Angeles 90064 | (310) 475-0602 |
| Ahf Research Center 1414 S Grand Ave, Los Angeles 90015 | (213) 763-1180 |
| Ace Product Research 5514 Wilshire Blvd, Los Angeles 90036 | (323) 935-0169 |
| Barrister Research Library 1801 Century Park E # 2500, Los Angeles 90067 | (310) 556-8093 |
| Community Design & Urban Rsrch 6518 Hollywood Blvd, Los Angeles 90028 | (323) 461-6486 |
| Datassential Research 1999 Avenue Of The Stars #1500, Los Angeles 90067 | (310) 914-5555 |
| Dvd Consulting 1819 Westholme Ave, Los Angeles 90025 | (310) 880-9538 |
| Global Research Group 2975 Wilshire Blvd, Los Angeles 90010 | (213) 380-8867 |
| Preventive Dental Research 12381 Wilshire Blvd, Los Angeles 90025 | (310) 207-8431 |
| Reit Management 8631 W 3rd St, Los Angeles 90048 | (310) 358-5550 |
| Valuation Research 777 S Figueroa St, Los Angeles 90017 | (213) 892-7510 |
| Core Microsolutions 1100 Glendon Ave # 17, Los Angeles 90024 | (310) 689-7316 |
| Partners In Clinical Research 6455 Whittier Blvd, Los Angeles 90022 | (323) 890-1102 |
| Penta Engineering Tech Rsrch 5947 Barton Ave # 9, Los Angeles 90038 | (323) 572-0362 |
| Moore Research 3711 W Jefferson Blvd, Los Angeles 90016 | (323) 735-2209 |
| Vascular Biology Institute 1929 Zonal Ave, Los Angeles 90033 | (323) 221-7818 |
| Oval Research 2121 N San Fernando Rd, Los Angeles 90065 | (323) 221-7640 |