| Business | Phone |
| Circuit City 501 Cheryl Ln, Walnut 91789 | (909) 594-3684 |
| Circuit City Western Div 680 S Lemon Ave, Walnut 91789 | (909) 595-2434 |
| Grotto Usa Inc 671 Brea Canyon Rd # 2, Walnut 91789 | (909) 594-5671 |
| Tianma Microelectronics Usa 21138 Commerce Point Dr, Walnut 91789 | (909) 468-2839 |
| Electronics Fly Control System 390 S Lemon Ave, Walnut 91789 | (909) 598-2055 |
| Nex Lights Inc 20535 E Walnut Dr N # B4, Walnut 91789 | (909) 594-3649 |