| Business | Phone |
| G S Development & Constr Inc 14114 Polk St, Sylmar 91342 | (818) 342-2660 |
| J I Construction 15122 Nurmi St, Sylmar 91342 | (818) 364-0906 |
| Spirit Construction Inc 16325 Silver Oaks Dr, Sylmar 91342 | (818) 362-8350 |
| W L Butler Construction 12204 Foothill Blvd, Sylmar 91342 | (909) 646-7760 |
| Terry Hanna Construction 14207 Polk St, Sylmar 91342 | (818) 364-9353 |