| RPRita Pimentel Dba Rita's Wholesale Specialty Foods | Eureka, CA | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| RGRoyal Gold - Glendale Facility | Mckinleyville, CA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| RNRyan Nylander | Eureka, CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| SFSequoia Forest Products | Arcata, CA | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SESisu Extraction, LLC | Arcata, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SESisu Extraction, LLC (arcata) | Arcata, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SESisu Extracts LLC | Eureka, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| SHSouthern Humboldt Farm Feed and Ag Supply INC Redway Feed and Garden Supply | Redway, CA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| TBTable Bluff Brewing INC. Dba Lost Coast Brewery | Eureka, CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TMTaylor Mariculture, LLC | Arcata, CA | Food Manufacturing311710 | — | ◇ UNVERIFIED |
| TBThe Back Forty LLC Dba Magic People Family Farms | Garberville, CA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| TBThe Blacksmith Shop, LTD | Ferndale, CA | Leather and Allied Product Manufacturing316998 | — | ◇ UNVERIFIED |
| TRThomas R. Bess - Asphalt Sand & Gravel | Carlotta, CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TDTomaso's Distributing INC. | Blue Lake, CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| TOTown of Scotia LLC | Scotia, CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| TRTrinity River Timber Company Dba North Fork Lumber Company | Korbel, CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| UEUsepa Emergency Response - American Samoa Pulp Mill Cleanup | Eureka, CA | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| WCWest Coast Industrial Systems, INC | Korbel, CA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| WWWestern Web, Inc | Samoa, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WHWestside Holding LLC | Redway, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| WMWildwood Manufacturing | Arcata, CA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
 Wing Inflatables INC Annex | Arcata, CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| WDWoodlab Designs, Inc. | Arcata, CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
