| Business | Phone |
| Architectural Hardware 224 S Glendora Ave, Glendora 91741 | (626) 852-8802 |
| Jones & Martinez Architects 625 E Arrow Hwy # 7, Glendora 91740 | (626) 914-9555 |
| Norman R Nichols Architects 1200 E Route 66 # 203, Glendora 91740 | (626) 963-7711 |
| Ntd Assoc 2025 E Financial Way # 106, Glendora 91741 | (626) 963-1401 |
| Aday Architects 819 E Route 66, Glendora 91740 | (626) 963-4044 |
| Jackson K Walters & Assoc 590 E Sierra Madre Ave, Glendora 91741 | (626) 335-7582 |
| Jfy Drafting Designs Glendora 91740 | (626) 852-2922 |
| Jim H Kuhn Inc 839 Indian Bnd, Glendora 91740 | (626) 446-7000 |
| Ntd Architects 2025 E Financial Way, Glendora 91741 | (626) 963-1404 |
| Robert Mohler 831 Claraday St # 33, Glendora 91740 | (626) 335-6850 |