| FIFluid Ink Technology | Moorpark, CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| F9Fluorine 9 LLC | Thousand Oaks, CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| FWFlyer Web Printing | Oxnard, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| FMForward Manufacturing LLC | Simi Valley, CA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| GKGa Kundensport | Santa Paula, CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| GAG and L Silver Recovery | Simi Valley, CA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| GIGc Int'l INC Dba Al Johnson CO. | Camarillo, CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| GOGeneral Optics INC | Moorpark, CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| GGG & G Tires LLC | Oxnard, CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| GAG&h Auto Repair | Moorpark, CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| GHG & H Technology | Camarillo, CA | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| GHGlass House Camarillo Cultivation LLC | Camarillo, CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| GMGMP Metal Finishing, Inc. | Oxnard, CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| GAGooch and Housego | Moorpark, CA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| GHGooch & Housego (california) LLC | Moorpark, CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| GGGothis Grounds Maintenance | Simi Valley, CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
 Graphic Reproductions Center | Newbury Park, CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| GPGreen Pharmaceuticals INC. | Camarillo, CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| GPGte Printing Services | Thousand Oaks, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| GWGt Water Products INC | Moorpark, CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| GGGuild Guitars | Oxnard, CA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
| GCGv Construction & Design INC. | Camarillo, CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| HAHaas Automation | Camarillo, CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| HAHaas Automation | Oxnard, CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| HEHalaco Engineering Company | Oxnard, CA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| HPHaley Point | Ventura, CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| HCHallas Color Photo Lab INC Dba Image Source | Ventura, CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| HIHammerhead Industries, Inc. | Ventura, CA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| HAHanson Aggregates West INC | Oxnard, CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HLHanson Lab Frontier Industries INC | Thousand Oaks, CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HLHanson Lab Funiture, INC | Newbury Park, CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| HLHanson Lab Furniture INC | Camarillo, CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| HGHayes Graphics 1 | Camarillo, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HGHayes Graphics 2 | Camarillo, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| HEHennis Enterprises | Ventura, CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HCHenry Company LLC | Camarillo, CA | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| HPHerald Printing LTD | Saticoy, CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| HIHhg, INC | Oxnard, CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
 Hi-temp Insulation INC | Camarillo, CA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| HCH.k. Canning INC. | Ventura, CA | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| HIHlf, INC | Camarillo, CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| HAHTE Acquisition LLC | Camarillo, CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HPHudson Plating Works | Moorpark, CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HSHydro Systems INC | Simi Valley, CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HHygco | Newbury Park, CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| HHyper-tech | Camarillo, CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| IMIasset Management | Oxnard, CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| IMIasset Management INC | Oxnard, CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| IWImpressions West | Simi Valley, CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| IIIndigo Ink | Oxnard, CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
