| Business | Phone |
| Caldwell Realty 14831 Whittier Blvd # 102, Whittier 90605 | (562) 907-5655 |
| Whittier-Penn Inc 13215 Penn St # Ph3, Whittier 90602 | (562) 945-5959 |
| Development Properties Invest 8475 Via Sierra Ramal Ave, Whittier 90605 | (562) 201-4353 |
| Sgc Real Estate Investments 7921 Duchess Dr, Whittier 90606 | (562) 908-8291 |