| Business | Phone |
| Acosta Sales & Marketing 1540 Bridgegate Dr, Diamond Bar 91765 | (909) 612-5101 |
| Can Cutters 516 N Diamond Bar Blvd # 151, Diamond Bar 91765 | (909) 861-6540 |
| Kelley-Clarke Inc 1540 Bridgegate Dr, Diamond Bar 91765 | (909) 396-0699 |
| Sthenoo Co 1249 S Diamond Bar Blvd # 173, Diamond Bar 91765 | (909) 594-7550 |
| Mc Ardle Brokerage 23822 Sapphire Canyon Rd, Diamond Bar 91765 | (909) 860-3434 |