| Business | Phone |
| A M Tool & Engineering Inc 7516 Madison St, Paramount 90723 | (562) 272-4688 |
| B & B Precision Inc 15506 Minnesota Ave, Paramount 90723 | (562) 634-9660 |
| Babb Tool & Machine 15957 Illinois Ave, Paramount 90723 | (562) 633-9323 |
| Bee & Gee Manufacturer 15130 Downey Ave, Paramount 90723 | (562) 633-3981 |
| Golden State Engineering 15338 Garfield Ave, Paramount 90723 | (562) 634-3125 |
| Heath Machine Co 16443 Illinois Ave, Paramount 90723 | (562) 531-0113 |
| J & K Manufacturer Inc 14701 Garfield Ave, Paramount 90723 | (562) 630-8417 |
| Modern Methods Machine Co 15735 Garfield Ave # 41, Paramount 90723 | (562) 272-4491 |
| Pro-Tech Machine 7625 Rosecrans Ave # 17, Paramount 90723 | (562) 531-2919 |
| Savage Machine Inc 7325 Madison St, Paramount 90723 | (562) 531-4500 |
| Trepanning Specialties Inc 16201 Illinois Ave, Paramount 90723 | (562) 633-8110 |
| Welco Gun Drilling 14034 Garfield Ave, Paramount 90723 | (562) 634-6820 |