| PLpdl lab, inc. | Palmdale | CA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| PLpdl lab, inc. | Palmdale | CA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| PCPowder Coat Industries | Palmdale | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| RCRadford Cabinets INC | Palmdale | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| RMRawlings Mechanical Corporation | Palmdale | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RBR B Machining, INC. | Palmdale | CA | Nonmetallic Mineral Product Manufacturing327124 | — | ◇ UNVERIFIED |
| RCRialto Concrete Products, INC. | Palmdale | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix - Palmdale | Palmdale | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RSRoy S. Waisman | Palmdale | CA | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| SScrra/metrolink | Palmdale | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SSSenior Systems Technology, INC | Palmdale | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| SRService Rock Products / Palmdale | Palmdale | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SDSigns & Designs | Palmdale | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SWSqueaky Wheel Bike Shop | Palmdale | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| SBStar Bright Cleaners INC | Palmdale | CA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| SMSuperior Metal Polishing | Palmdale | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TPTutor Perini Corporation | Palmdale | CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| UPUsaf Plant 42/pyramid Services INC | Palmdale | CA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| UPUS Pole Company | Palmdale | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| VEVision Engineering & Metal Stamping | Palmdale | CA | Electrical Equipment, Appliance & Component Manufacturing335129 | — | ◇ UNVERIFIED |
