 T.w.p. Incorporated | Berkeley | CA | Fabricated Metal Product Manufacturing332618 | — | ● ACTIVE |
 Terminal Manufacturing Co., LLC | Berkeley | CA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| EOElectro-coatings of California, INC. | Berkeley | CA | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| JBJohnson Bros. Metal Forming Co. | Berkeley | IL | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| GCGraysix Company | Berkeley | CA | Fabricated Metal Product Manufacturing332439 | 1-19 | ◇ UNVERIFIED |
| SIShelton Industrial Pattern , INC | Berkeley | MO | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| MLMcewen Lighting Studio | Berkeley | CA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| TEThe Ed. Jones Company | Berkeley | CA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BFBerkeley Forge & Tool, INC | Berkeley | CA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| DDDaniel Dole, Artist Blacksmith | Berkeley | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| GMGeo. M. Martin Company | Berkeley | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MTMachine Tool Technologies Research Foundation | Berkeley | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MPMonsen Plating & Silversmiths | Berkeley | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OIOpenrov, INC. | Berkeley | CA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| SMSchaffner Machine CO. | Berkeley | MO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SISunchem INC | Berkeley | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TDT.t.i. Dba Clearflow Valve | Berkeley | CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
