| Business | Phone |
| Athena Research Group 6700 Indiana Ave # 270, Riverside 92506 | (951) 369-0800 |
| Heakin Research Inc 1042 Galleria At Tyler, Riverside 92503 | (951) 637-1100 |
| Muse Consulting Inc 3911 Merrill Ave, Riverside 92506 | (951) 784-6873 |
| Antonio Suarez Riverside 92507 | (951) 222-2222 |
| Resource Group Riverside 92507 | (951) 682-5020 |