| RRRay Roberts Realty | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RBR & B Wire Prod. INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| RGRed Graphics | Santa Ana | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RBRemy Biosciences INC | Santa Ana | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RIRickenbacker International CORP | Santa Ana | CA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
| RERicoh Electronics INC | Santa Ana | CA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| RPRmc Printing INC Dba Sandstone Silkscreening | Santa Ana | CA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RPRobinson Pharma, INC. | Santa Ana | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RPRobinson Pharma INC. - Harbor 2 | Santa Ana | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RDRoi Development CORP | Santa Ana | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| RARoland & Associates | Santa Ana | CA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| RPRoss Pallets, INC. Dba Ross Pallets | Santa Ana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| RMR&r Metals Services | Santa Ana | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| RRRudy R Reta | Santa Ana | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| STSacher Trust | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SLSandfrog, LLC | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SMSanie Mfg CO INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| SASanta Ana Packaging Inc. | Santa ana | CA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| SASanta Ana Unified School District | Santa Ana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SASanta Ana Unified School District | Santa Ana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SASanta Ana United Methodist Church | Santa Ana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| SVSantiago Villas | Santa Ana | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| SPSantos Precision INC | Santa Ana | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| SWScreen Works | Santa Ana | CA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| SDSensor Development INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| SCSev - Cal Tool INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| SGS & G Creative | Santa Ana | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| SSSherwood Shutter CORP | Santa Ana | CA | Furniture and Related Product Manufacturing337920 | — | ◇ UNVERIFIED |
| SMSignet Marking Devices | Santa Ana | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SMSihilling Metal Polishing | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SASkytower Aviation Services, INC. | Santa Ana | CA | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| SASkytower Aviation Services, INC. | Santa Ana | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| SASmi Architectural Millwork INC | Santa Ana | CA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| SPSmithco Plastics, INC. | Santa Ana | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SESml Engineering INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SBSocal Bakeries | Santa Ana | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SCSo Cal Bakeries, INC Dba Gold Coast Baking CO | Santa Ana | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SSSolder Station One INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| SCSouth Coast Circuits, Dba Summit Interconnect Santa Ana | Santa Ana | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SCSouth Coast Circuits INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SCSouth Coast Press, INC. | Santa Ana | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SWSouthland Windows & Doors | Santa Ana | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SFSovereign Flavors (CA), Inc. | Santa Ana | CA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| SFSovereign Flavors Inc> | Santa Ana | CA | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| SMSpeedway Metal Finishing | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SPSpeedway Polishing & Coating | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SSpoondash | Santa Ana | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SPSpringland Production INC | Santa Ana | CA | Apparel Manufacturing315233 | — | ◇ UNVERIFIED |
| SWSprings Window Fashions/mark Window Prod | Santa Ana | CA | Furniture and Related Product Manufacturing337920 | — | ◇ UNVERIFIED |
