| Business | Phone |
| Apec Architectural & Engineer 4195 Chino Hills Pkwy # 528, Chino Hills 91709 | (909) 606-8851 |
| Joe Calabrese 13104 Glen Ct # 7, Chino Hills 91709 | (909) 627-0011 |
| Luan's Construction Inc 14683 River Ridge Ct, Chino Hills 91709 | (909) 393-7688 |