Ronlo Engineering, LTD. | Camarillo | 20–99 | ● ACTIVE |
Ron Nunes Enterprises, LLC | Livermore | 1–19 | ● ACTIVE |
Ross Name Plate Company | Monterey Park | 20–99 | ● ACTIVE |
Russell Fabrication Corporation | Bakersfield | 20–99 | ● ACTIVE |
| RERuxco Engineering, INC. | Diamond Springs | 1–19 | ● ACTIVE |
| SCSabrin CORP | Pasadena | 1–19 | ● ACTIVE |
Sai Industries | Glendale | 20–99 | ● ACTIVE |
Salsbury Industries INC | Carson | — | ● ACTIVE |
| SPSamax Precision, INC. | Sunnyvale | 20–99 | ● ACTIVE |
| SASamtech Automotive Usa, INC. | Carson | 20–99 | ● ACTIVE |
Scelzi Enterprises, INC | Fresno | — | ● ACTIVE |
Schlosser Forge Company | Rancho Cucamonga | — | ● ACTIVE |
Sharp Dimension INC. | Fremont | 20–99 | ● ACTIVE |
Sheathing Technologies, INC. | Morgan Hill | 20–99 | ● ACTIVE |
Shultz Steel LLC | South Gate | 100–499 | ● ACTIVE |
| SCSilgan Containers, Riverbank | Riverbank | 100–499 | ● ACTIVE |
Silicon Valley Precision, INC. | Livermore | 1–19 | ● ACTIVE |
Skymaster, INC. | City of Industry | 1–19 | ● ACTIVE |
Sky Rider Equipment Co, INC | Anaheim | 20–99 | ● ACTIVE |
Solar Atmospheres of California INC | Fontana | 20–99 | ● ACTIVE |
Solar Atmospheres of San Diego, INC. | El Cajon | 20–99 | ● ACTIVE |
| SMSonoco Metal Packaging, LLC | Oakdale | 100–499 | ● ACTIVE |
| SESorenson Engineering Inc, Frank Sorenson | Yucaipa | 500+ | ● ACTIVE |
South Bay Solutions, INC | Fremont | 100–499 | ● ACTIVE |
Southwest Greene International, INC | Oceanside | 100–499 | ● ACTIVE |
Space-lok, INC. | Gardena | — | ● ACTIVE |
Spacetime Machine Co., INC. | Harbor City | 20–99 | ● ACTIVE |
Spartan, INC | Bakersfield | 20–99 | ● ACTIVE |
Spec-built Systems, INC. | San Diego | 20–99 | ● ACTIVE |
Specialized Coating Services, LLC | Fremont | — | ● ACTIVE |
S R Machining, INC. | Norco | 20–99 | ● ACTIVE |
| SStadco | Los Angeles | 20–99 | ● ACTIVE |
| SSStockton Steel | Stockton | 100–499 | ● ACTIVE |
Strand Products INC | Ventura | — | ● ACTIVE |
Stretch Forming Corporation | Perris | 20–99 | ● ACTIVE |
Stryker Sales, LLC | Fremont | — | ● ACTIVE |
Superior Jig INC | Anaheim | 20–99 | ● ACTIVE |
Superior Processing | Placentia | 1–19 | ● ACTIVE |
Superior Spring Company | Anaheim | 20–99 | ● ACTIVE |
| SSSuperior Storage Tanks & Trailers Corporation | La Mirada | 20–99 | ● ACTIVE |
Superior Thread Rolling Co, LLC | Arleta | 20–99 | ● ACTIVE |
Synertech Pm INC. | Garden Grove | 1–19 | ● ACTIVE |
Tamshell Corporation | Corona | 20–99 | ● ACTIVE |
Taurus Fabrication, INC | Grass Valley | 20–99 | ● ACTIVE |
Teledyne Defense Electronics, LLC | Hawthorne | 100–499 | ● ACTIVE |
Temecula Quality Plating, INC. | Temecula | 20–99 | ● ACTIVE |
| TUTerra Universal, INC. | Fullerton | — | ● ACTIVE |
Tfc Manufacturing INC. | Lakewood | 100–499 | ● ACTIVE |
Thalasinos Enterprises, INC. | Corona | 20–99 | ● ACTIVE |
The Carpenter Group | San Diego | — | ● ACTIVE |