| RSRising Star Motorcoach Int'l (usa), INC. | Chino | CA | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| RFRms Finishing, INC. | Chino | CA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| RPRokstad Power | Chino | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| RVRuthless Vapor Corporation | Chino | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SLSchlage Lock Company LLC | Chino | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SESchneider Electric | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| SISchwalm INC. | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| SMScott Manufacturing Solutions | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| SHScott's Hyponex CO | Chino | CA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| SCSilmix Ca | Chino | CA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| SCSo Cal Tank & Fab | Chino | CA | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| SCSquare 'd' CO | Chino | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| SUSteelCo U.S.A | Chino | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SSSundance Spas | Chino | CA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| SDSyntech Development and Manufacturing INC. | Chino | CA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| TET E B, INC. | Chino | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| TITeb INC | Chino | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TITeefor2, INC | Chino | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TITgeg INC. | Chino | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TFThermo Fisher | Chino | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| TTThe Terra Firma Company C/o Weber Logistics | Chino | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| TMTim Meech | Chino | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| TSTop Shelf Fixtures, LLC | Chino | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| TTTrend Technologies LLC | Chino | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TWTrg Wood Products INC | Chino | CA | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| TFTri-dim Filter Corporation | Chino | CA | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| TSTwo Styx IV, LP | Chino | CA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| UAUniversal Asphalt Company, INC. | Chino | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| UPUniversal Packaging Systems, INC | Chino | CA | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| UPUniversal Polymer Corporation | Chino | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VCViewsonic Corporation | Chino | CA | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| WCWest Coast Steel & Processing | Chino | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| WCWest Coast Steel & Processing Dba Great Pacific Elbow | Chino | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| WCWest Coast Steel & Processing, LLC | Chino | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| WLWestinghouse Lighting | Chino | CA | Electrical Equipment, Appliance & Component Manufacturing335122 | — | ◇ UNVERIFIED |
| WCWilliam Connell | Chino | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WBWright Business Graphics of Ca, INC. | Chino | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
