| RMRbm Mfg. Co., INC. | Pomona | — | ◇ UNVERIFIED |
| RIRdtr INC Dba Boman Forklift & Active Forklift | Commerce | — | ◇ UNVERIFIED |
| RTReal Time Staffing Services, INC. | Pacoima | — | ◇ UNVERIFIED |
| RMReliable Metallurgical Processes INC | South Gate | — | ◇ UNVERIFIED |
| RMRepair Machine and Engineering INC | Gardena | — | ◇ UNVERIFIED |
| RIRexford Industrial - Kingshill | Carson | — | ◇ UNVERIFIED |
| RERiggins Engineering INC | Panorama City | — | ◇ UNVERIFIED |
| RERite Engineering & Manufacturing CORP | Commerce | — | ◇ UNVERIFIED |
| RCR.k. Cylindrical Grinding INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| RERlb Engineering Company INC | Valencia | — | ◇ UNVERIFIED |
| RIRnk Industries, INC | Los Angeles | — | ◇ UNVERIFIED |
 Robert Wall Enterprises Dba Sawing Services | Chatsworth | — | ◇ UNVERIFIED |
| RBRobinsons Building Maintenance & Ek Elevator | Burbank | — | ◇ UNVERIFIED |
| RBRobinsons Building Maintenance - Elevator Dept | Valley Glen | — | ◇ UNVERIFIED |
| RERockdyne Enterprizes, LLC | Los Angeles | — | ◇ UNVERIFIED |
| RCRogers Compressor Service | Bellflower | — | ◇ UNVERIFIED |
| RMRoufs Machine Company INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| RGRoxbury Garage Enterprises | Beverly Hills | — | ◇ UNVERIFIED |
| RSRoyal Systems Group INC | Northridge | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | — | ◇ UNVERIFIED |
| RCRr&c Crossroads No. 2 | Industry | — | ◇ UNVERIFIED |
| RERtt Engineering .com | Chatsworth | — | ◇ UNVERIFIED |
| RIRudomatic INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| SCSaam CORP Dba Vertex Diamond Tool | San Dimas | — | ◇ UNVERIFIED |
| SCSabrin CORP Dba Astronic CO | Pasadena | — | ◇ UNVERIFIED |
| SPSalvador Pitones | Covina | — | ◇ UNVERIFIED |
| SASamir Aziz | North Hollywood | — | ◇ UNVERIFIED |
| SLSandovals Lawnmowers | Canoga Park | — | ◇ UNVERIFIED |
| SMSandra Martin | Gardena | — | ◇ UNVERIFIED |
| SGSan Gabriel - Mckinley Elementary School | San Gabriel | — | ◇ UNVERIFIED |
| SISatco INC | El Segundo | — | ◇ UNVERIFIED |
| SMSatellite Manufacturing CO INC | Pomona | — | ◇ UNVERIFIED |
| SCSB Corporation | Chatsworth | — | ◇ UNVERIFIED |
| SDSc Deburring LLC | Pacoima | — | ◇ UNVERIFIED |
| SESchidler Elevator - Mta Airport Metro Connector | Los Angeles | — | ◇ UNVERIFIED |
| SESchindler Elevator CORP | Sylmar | — | ◇ UNVERIFIED |
| SESchindler Elevator Corporation | El Segundo | — | ◇ UNVERIFIED |
| STSchlumberger Technology Corporation | San Pedro | — | ◇ UNVERIFIED |
| SRScorpion Restoration Concepts LLC | Castaic | — | ◇ UNVERIFIED |
| SEScott Equipment- Sfs | Santa Fe Springs | — | ◇ UNVERIFIED |
| SLSea Lap LLC | La Verne | — | ◇ UNVERIFIED |
| SHSeascape/two Homeowners Association | Redondo Beach | — | ◇ UNVERIFIED |
| SESelect Equipment Sales INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| SISepor INC | Wilmington | — | ◇ UNVERIFIED |
| SCSequa CORP Standun Canforming | East Rancho Dominguez | — | ◇ UNVERIFIED |
| SISeranovi Investment CO LLC | Los Angeles | — | ◇ UNVERIFIED |
| SVSierra Vista Apts. | Sierra Madre | — | ◇ UNVERIFIED |
| SDSignal Division Lukens Genera | La Mirada | — | ◇ UNVERIFIED |
| SSSilver Spur | Palos Verdes Peninsula | — | ◇ UNVERIFIED |
| SCSimon CNC Machining, Inc. | North Hollywood | — | ◇ UNVERIFIED |
