| Business | Phone |
| Equinox Systems 16455 Canarias Dr, Hacienda Heights 91745 | (626) 336-7655 |
| Ne Technopia 2211 S Hacienda Blvd, Hacienda Heights 91745 | (626) 333-3344 |
| Roson Networking 1545 La Mesita Dr, Hacienda Heights 91745 | (626) 333-5576 |
| Ytt Research Group 16303 Marvene Dr, Hacienda Heights 91745 | (626) 968-8856 |