| Business | Phone |
| Aloha Signs & Graphics 17046 Devonshire St, Northridge 91325 | (818) 832-7979 |
| Aloha Signs & Graphics 19215 Parthenia St # E, Northridge 91324 | (818) 734-5677 |
| Northridge Signs Plus 8415 Reseda Blvd # 9, Northridge 91324 | (818) 772-4252 |
| V & B Signs 19025 Parthenia St # 109, Northridge 91324 | (818) 341-3492 |
| Aloha Signs & Graphics 19215 Parthenia St # E, Northridge 91324 | (818) 832-7979 |
| Angel Air 8832 Shirley Ave, Northridge 91324 | (818) 886-8996 |
| K-Signs 19025 Parthenia St # 107, Northridge 91324 | (818) 376-1020 |
| M R Neon Signs 18545 Parthenia St, Northridge 91324 | (818) 998-3640 |
| Tony Smith Plastic Designs Northridge 91324 | (818) 885-5256 |
| Signs & Ironworks 18543 Parthenia St, Northridge 91324 | (818) 882-6342 |