K S D, INC. | Banning | — | ● ACTIVE |
| KIKyocera International Inc.(san Diego) | San Diego | 500+ | ● ACTIVE |
Laminated Shim CO INC | Corona | 20–99 | ● ACTIVE |
Lean Manufacturing Group LLC | Valencia | — | ● ACTIVE |
Mckenna Boiler Works, INC. | Oceanside | 20–99 | ● ACTIVE |
| MVMedtronic Vascular | Santa Rosa | 100–499 | ● ACTIVE |
| MFMetal Finishing Group INC | Sacramento | 20–99 | ● ACTIVE |
Metal Improvement Company, LLC | Livermore | 20–99 | ● ACTIVE |
Millennium Metalcraft, INC. | Fremont | — | ● ACTIVE |
Miller Marine LLC | San Diego | 20–99 | ● ACTIVE |
Mk Magnetics, INC. | Adelanto | 20–99 | ● ACTIVE |
M & L Precision Machining, INC | Morgan Hill | — | ● ACTIVE |
Mulgrew Aircraft Components, INC. | Monrovia | — | ● ACTIVE |
Multichrome Co, INC | Inglewood | 20–99 | ● ACTIVE |
Newton Heat Treating Company, INC. | Rowland Heights | — | ● ACTIVE |
Next Intent, INC. | San Luis Obispo | — | ● ACTIVE |
Nikon Am Synergy INC. | Long Beach | 20–99 | ● ACTIVE |
| OCOmw Corporation | Novato | — | ● ACTIVE |
Ontic Engineering & Manufacturing, INC | Chatsworth | 100–499 | ● ACTIVE |
| PCPacific Coast Bolt, LLC | Santa Fe Springs | 20–99 | ● ACTIVE |
Pacific Forge, INC. | Fontana | 20–99 | ● ACTIVE |
Parmatech Corporation | Petaluma | 20–99 | ● ACTIVE |
| PTPentagon Technologies INC | Hayward | 100–499 | ● ACTIVE |
Peridot Corporation | Pleasanton | — | ● ACTIVE |
| POPrecision One Medical INC | Oceanside | 100–499 | ● ACTIVE |
Precision Wire Products, INC. | Commerce | 100–499 | ● ACTIVE |
Preferred Manufacturing Services, INC | Cameron Park | 20–99 | ● ACTIVE |
Prodigy Surface Tech, INC. | Santa Clara | 20–99 | ● ACTIVE |
| PTP T Industries, INC | Signal Hill | 20–99 | ● ACTIVE |
Quality Aluminum Forge, LLC | Orange | 100–499 | ● ACTIVE |
Quality Heat Treating, INC | Burbank | 20–99 | ● ACTIVE |
R.e. Atckison Co., INC. | Azusa | — | ● ACTIVE |
Roncelli Plastics INC | Monrovia | 100–499 | ● ACTIVE |
| SPSamax Precision, INC. | Sunnyvale | 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 |
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 | — | ● 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 |
| SSStockton Steel | Stockton | 100–499 | ● ACTIVE |
Strand Products INC | Ventura | — | ● ACTIVE |
Stretch Forming Corporation | Perris | 20–99 | ● ACTIVE |