| Business | Phone |
| Diamond Bar Internet Svc 326 El Encino Dr, Diamond Bar 91765 | (909) 860-6400 |
| Extreme Tuner Enterprises 23970 Ridge Line Rd, Diamond Bar 91765 | (951) 264-9318 |
| Gamers-X 962 N Diamond Bar Blvd, Diamond Bar 91765 | (909) 396-9625 |
| Green Earth Trading Co 21308 Pathfinder Rd # 202, Diamond Bar 91765 | (909) 396-8960 |
| Warp2biz 20955 Pathfinder Rd, Diamond Bar 91765 | (909) 843-6326 |
| Wally Net Assoc 24160 Avenida Rancheros # E, Diamond Bar 91765 | (909) 861-7747 |
| Mjl Enterprises 975 Pantera Dr, Diamond Bar 91765 | (909) 861-6558 |
| Netamin Communications Corp 20955 Pathfinder Rd, Diamond Bar 91765 | (909) 598-7177 |
| Netdragon Websoft Inc 21660 Copley Dr, Diamond Bar 91765 | (909) 612-1681 |