| WEWenthe-davidson Engineering CO | New Berlin | WI | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| WMW/s Machine & Tool, INC. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DMDenco Manufacturing | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| FMFrantz Machine Products Inc. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LILincoln Industries of Wisconsin LLC | New Berlin | WI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SMSouthwest Metal Finishing - Calhoun Rd Plt | New Berlin | WI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| SSpincraft | New Berlin | WI | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| DMDiamond Mfg. Co. DBA: McKey Perforating Co. | New Berlin | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| FFFortress Form INC | New Berlin | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SKSafety Kleen Systems Inc 77NBW | New Berlin | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| CPCommerce Plant 1 | New Berlin | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| HAHanel - A Division of Driv-Lok, Inc. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMke Machine, INC. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| RTRyerson - Therm-Tech of Waukesha, Inc. | New Berlin | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SFSharpe Fabrication Inc | New Berlin | WI | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| SBSpincraft Beloit | New Berlin | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| SSSunspan Systems INC | New Berlin | WI | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |