| Business | Phone |
| Monarch Aluminum Casting Co 11211 Garfield Ave, South Gate 90280 | (562) 862-5271 |
| Strategic Materials Corp 8616 Otis St, South Gate 90280 | (323) 567-2195 |
| Superior Aluminum Castings 5615 Leeds St, South Gate 90280 | (562) 862-7679 |
| Van Brunt Aluminum Foundry 9220 Atlantic Ave, South Gate 90280 | (323) 569-2832 |