| Business | Phone |
| Better Shred Than Read Inc Walnut 91789 | (909) 598-9588 |
| Invision Imaging Inc 18800 Amar Rd, Walnut 91789 | (909) 444-9996 |
| Shea Business Properties 655 Brea Canyon Rd, Walnut 91789 | (909) 598-9000 |
| Star Point Integration Systems 101 Avenida Grulla, Walnut 91789 | (909) 595-4490 |