| Business | Phone |
| Varela Architecural Design 6427 1/2 York Blvd, Los Angeles 90042 | (323) 550-1502 |
| C C Forteza & Assoc 2560 S Barrington Ave # 107, Los Angeles 90064 | (310) 478-4425 |
| Archdes 621 S Spring St, Los Angeles 90014 | (213) 688-2910 |
| Dezign Services 603 N Formosa Ave, Los Angeles 90036 | (310) 273-6917 |
| Gubel & Assoc 5455 Wilshire Blvd # 1013, Los Angeles 90036 | (323) 935-5454 |
| Cadd Production Resource 8687 Melrose Ave # M32, Los Angeles 90069 | (310) 652-0333 |
| Draftsman Los Angeles 90024 | (310) 441-9674 |
| Simpson Gumpertz & Heger Inc 10940 Wilshire Blvd # 600, Los Angeles 90024 | (310) 443-4206 |
| Mark Goldfinger 1488 Rexford Dr, Los Angeles 90035 | (310) 552-7942 |
| Michael Scanlon Design 1751 Lucretia Ave, Los Angeles 90026 | (213) 481-2333 |
| Design Images 5121 Brynhurst Ave, Los Angeles 90043 | (323) 294-3669 |
| Drafting Qed 520 S Norton Ave, Los Angeles 90020 | (213) 453-7213 |
| Alfred M Davis & Assoc 1609 North Avenue 55, Los Angeles 90042 | (323) 254-8496 |
| A D Design Plans 4253 Eagle Rock Blvd, Los Angeles 90065 | (323) 257-7089 |