| Business | Phone |
| Communications Specialists 426 W Taft Ave, Orange 92865 | (714) 998-3021 |
| Advanced Electro Dynamic Systm 860 N Cypress St, Orange 92867 | (714) 639-7690 |
| Beacon 5 Products 320 E Katella Ave # G, Orange 92867 | (714) 744-1033 |
| Exclusive Specialty Products Orange 92867 | (714) 771-5144 |
| Geckodrive Inc Orange 92867 | (714) 771-1662 |
| Radius Power Inc 941 N Elm St # E, Orange 92867 | (714) 289-0055 |
| Tekmerge 2650 N Vista Crest Rd, Orange 92867 | (714) 921-8726 |
| U S Sensor Corp 1832 W Collins Ave, Orange 92867 | (714) 639-1000 |