| Business | Phone |
| America Realty & Investment 20627 Golden Springs Dr # 1j, Walnut 91789 | (909) 869-9093 |
| First American Investment 355 S Lemon Ave # L, Walnut 91789 | (909) 718-7200 |
| First American Investment 385 S Lemon Ave, Walnut 91789 | (909) 595-3210 |
| S & F Investment Co Ltc 20490 Yellow Brick Rd, Walnut 91789 | (909) 839-0883 |
| Veltex 19977 Harrison Ave, Walnut 91789 | (909) 595-1977 |