Manufacturing in Contra Costa County, California
The register lists 1,006 facilities in Contra Costa, California. According to the Bureau of Labor Statistics, there were 622 establishments in Contra Costa in 2025. Petroleum and Coal Products Manufacturing is a concentrated industry in Contra Costa, with a location quotient of 11.31.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and benchmark
Biggest cities
Federal labor statistics counted at least 622 manufacturing establishments in Contra Costa County in 2025, employing about 12,182 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 1,006.
Facilities25 FACILITIES
Listing 25 of 61: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Calzar Capital LLC | Antioch | Plastics and Rubber Products Manufacturing | 326191 | — | ACTIVE |
| Kie-con INC | Antioch | Nonmetallic Mineral Product Manufacturing | 327390 | 20–99 | ACTIVE |
| Alliance Marine | Antioch | Transportation Equipment Manufacturing | 336611 | — | ACTIVE |
| Capstone Orthopedic, INC. | Antioch | Miscellaneous Manufacturing | 339113 | — | ACTIVE |
| Hanger Prosthetics & Orthotics West, INC. | Antioch | Miscellaneous Manufacturing | 339113 | — | ACTIVE |
| Self Inspired Apparel LLC | Antioch | Apparel Manufacturing | 315990 | — | ACTIVE |
| Nossk INC. | Antioch | Miscellaneous Manufacturing | 339920 | 1–19 | LIKELY ACTIVE |
| Markstein Sales Co. | Antioch | Beverage and Tobacco Product Manufacturing | 312120 | 100–499 | LIKELY ACTIVE |
| Dsignart, INC | Antioch | Miscellaneous Manufacturing | 339950 | 1–19 | LIKELY ACTIVE |
| Cemex Antioch | Antioch | Nonmetallic Mineral Product Manufacturing | 327320 | — | LIKELY ACTIVE |
| Georgia-pacific Gypsum LLC | Antioch | Nonmetallic Mineral Product Manufacturing | 327420 | — | LIKELY ACTIVE |
| Silgan Containers Mfg CORP | Antioch | Fabricated Metal Product Manufacturing | 332431 | — | LIKELY ACTIVE |
| Ftg Construction Materials INC | Antioch | Nonmetallic Mineral Product Manufacturing | 327320 | — | UNVERIFIED |
| Gaylord Container CORP. | Antioch | Paper Manufacturing | 322130 | — | UNVERIFIED |
| Kemwater North America Antioch Plant | Antioch | Chemical Manufacturing | 325188 | — | UNVERIFIED |
| Owens-brockway Glass Container INC | Antioch | Nonmetallic Mineral Product Manufacturing | 327213 | — | UNVERIFIED |
| Adm | Antioch | Miscellaneous Manufacturing | 339113 | 20–99 | LIKELY ACTIVE |
| Antioch, CA - 503 | Antioch | Wood Product Manufacturing | 321920 | 20–99 | LIKELY ACTIVE |
| CA015 Antioch Gypsum | Antioch | Nonmetallic Mineral Product Manufacturing | 327420 | 100–499 | LIKELY ACTIVE |
| Verco Deck - Antioch | Antioch | Fabricated Metal Product Manufacturing | 332322 | 20–99 | LIKELY ACTIVE |
| Advanced Design Manufacturing LLC | Antioch | Fabricated Metal Product Manufacturing | 332321 | 20–99 | UNVERIFIED |
| Crown Flexo Graphics | Antioch | Printing and Related Support Activities | 323122 | 1–19 | UNVERIFIED |
| Crystal Clear Logos, INC. | Antioch | Printing and Related Support Activities | 323113 | 1–19 | UNVERIFIED |
| Diablo Analytical INC | Antioch | Computer and Electronic Product Manufacturing | 334516 | 1–19 | UNVERIFIED |
| Trade Litho INC | Antioch | Printing and Related Support Activities | 323111 | — | UNVERIFIED |
