| Business | Phone |
| Ace Iron & Steel Corp 5118 N 124th St, Milwaukee 53225 | (414) 466-9200 |
| Advance Boiler & Tank Co 6600 W Washington St # 700, Milwaukee 53214 | (414) 475-3120 |
| Atlas Iron & Wire Works 6667 N Teutonia Ave, Milwaukee 53209 | (414) 351-2100 |
| Cardinal Fabricating Corp 3400 S Hanson Ave, Milwaukee 53207 | (414) 744-9700 |
| Diamond Racing Wheels 307 W Layton Ave, Milwaukee 53207 | (414) 744-2010 |
| Fastech Fabrication 5150 N 32nd St 110, Milwaukee 53209 | (414) 464-7000 |
| Interweld Inc 5839 N 94th St, Milwaukee 53225 | (414) 527-3300 |
| Manutec Inc 2475 W Hampton Ave, Milwaukee 53209 | (414) 449-3332 |
| Max Weiss Co 8625 W Bradley Rd, Milwaukee 53224 | (414) 355-8220 |
| Western Industries Inc 1215 N 62nd St, Milwaukee 53213 | (414) 777-7920 |
| Mil Tex General Contracting 3100 W Concordia Ave, Milwaukee 53216 | (414) 871-1070 |
| Milwaukee Boiler Intl 1101 S 41st St, Milwaukee 53215 | (414) 645-0068 |
| Victory Steel 679 S 76th St, Milwaukee 53214 | (414) 774-3300 |
| Unimex Llc 4200 W Douglas Ave, Milwaukee 53209 | (414) 536-6063 |
| Super Steel Products Corp 7900 W Tower Ave, Milwaukee 53223 | (414) 355-4800 |
| Parker's Welding & Mfg Inc 6242 N 64th St, Milwaukee 53218 | (414) 461-7110 |
| Perow Tool & Machining Co 2965 N 30th St, Milwaukee 53210 | (414) 445-3003 |
| Reinke & Schomann Inc 3745 N Richards St, Milwaukee 53212 | (414) 964-1100 |
| Preferred Metal Products Inc 538 S 94th St, Milwaukee 53214 | (414) 475-7373 |
| Pro Welding & Mfg Inc 11175 W Heather Ave, Milwaukee 53224 | (414) 362-1500 |
| Product Service & Mfg Corp 4530 W Burnham St, Milwaukee 53219 | (414) 384-6780 |
| Production Cost Cutting Inc 3801 W Mckinley Ave P, Milwaukee 53208 | (414) 342-1990 |