| Business | Phone |
| Gateway Ornamental Iron Works 139 Poplar Ave, Hayward 94541 | (510) 537-1272 |
| On-Guard Security Iron Hayward 94545 | (510) 782-4622 |
| Sal & G Ornamental Iron 1873 W Winton Ave, Hayward 94545 | (510) 786-3036 |
| Universal Ornamental Iron Wrks 19871 Royal Ave, Hayward 94541 | (510) 278-2990 |