| HRHarding Real Estate Holdings, LLC | Santa Ana | — | ◇ UNVERIFIED |
| HFHardy Frames INC | Huntington Beach | — | ◇ UNVERIFIED |
| HRHeader Reinforcement CORP. | Fountain Valley | — | ◇ UNVERIFIED |
| HMHench Mfg. INC. | San Clemente | — | ◇ UNVERIFIED |
| HCHestan Commercial Corporation | Anaheim | — | ◇ UNVERIFIED |
| HCHexcel Corporation | Anaheim | — | ◇ UNVERIFIED |
| HPHezzy Powder Coating INC | Anaheim | — | ◇ UNVERIFIED |
| HTHigh Tech Coatings | Santa Ana | — | ◇ UNVERIFIED |
| HTHigh Tech Coatings Usa, INC. | Santa Ana | — | ◇ UNVERIFIED |
| HPHightower Plating & Manufacturing CO | Orange | — | ◇ UNVERIFIED |
| HIHi-line Industrial Saw & Supply INC. | Orange | — | ◇ UNVERIFIED |
| HUHilti U.s Manufacturing | Cypress | — | ◇ UNVERIFIED |
| HSHi-tech Stencils | Orange | — | ◇ UNVERIFIED |
| HMHitec Metal Fabrication CORP. | Anaheim | — | ◇ UNVERIFIED |
| HSHope Street Capital LLC | Anaheim | — | ◇ UNVERIFIED |
| HMHT Management LLC | Garden Grove | — | ◇ UNVERIFIED |
| HNHuong Nguyen | Fullerton | — | ◇ UNVERIFIED |
| HHHydraulics Hose of Orange County Dba Pirtek USA LLC | Anaheim | — | ◇ UNVERIFIED |
| HMHytron Manufacturing Company INC | Huntington Beach | — | ◇ UNVERIFIED |
| IAIdeal Anodizing INC | Anaheim | — | ◇ UNVERIFIED |
| IOIhp Operations, LLC | Santa Ana | — | ◇ UNVERIFIED |
| IPIkon Powder Coating | Anaheim | — | ◇ UNVERIFIED |
| ICImi Critical Engineering LLC | Lake Forest | — | ◇ UNVERIFIED |
| ICImperial Cal Products | Brea | — | ◇ UNVERIFIED |
| IVImperium Vinyl Windows & Doors, INC. | Anaheim | — | ◇ UNVERIFIED |
| IMI M T Screw Mach Product | Fullerton | — | ◇ UNVERIFIED |
| ITIndustrial Tool & Die INC | Santa Ana | — | ◇ UNVERIFIED |
| IPIn-Flight Products, LLC | Stanton | — | ◇ UNVERIFIED |
| IPIn Place Technology INC | Garden Grove | — | ◇ UNVERIFIED |
| IWInternational West, INC Dba Continental Industries | Anaheim | — | ◇ UNVERIFIED |
| INInterplex Nascal, Incorporated | Tustin | — | ◇ UNVERIFIED |
| INIsuzu North America CORP. | Buena Park | — | ◇ UNVERIFIED |
| JIJacmar INC Dba American Wire Edm | Orange | — | ◇ UNVERIFIED |
| JTJamar Tool INC | Brea | — | ◇ UNVERIFIED |
| JPJdh Pacific, INC. | Fullerton | — | ◇ UNVERIFIED |
| JPJd Processing INC | Santa Ana | — | ◇ UNVERIFIED |
| JNJeff Nowlin | Anaheim | — | ◇ UNVERIFIED |
| JTJeffrey T Tenney and Joanna F Tenney | Buena park | — | ◇ UNVERIFIED |
| JPJohnson Precision Products, INC. | Santa Ana | — | ◇ UNVERIFIED |
| JKJohnston & Koper Group, Inc. | Irvine | — | ◇ UNVERIFIED |
| JCJonathan Crisan and Simona Crisan | Yorba Linda | — | ◇ UNVERIFIED |
| JOJose Oscar Mendez | Costa Mesa | — | ◇ UNVERIFIED |
| JVJpjw Ventures LLC Dba Pirtek Oc | Anaheim | — | ◇ UNVERIFIED |
| JBJr & Bc, LLC | Santa Ana | — | ◇ UNVERIFIED |
| KIKaga INC | Fountain Valley | — | ◇ UNVERIFIED |
| KSKb Steel & Building Products | Newport Beach | — | ◇ UNVERIFIED |
| KMKempton Machine | Brea | — | ◇ UNVERIFIED |
| KMKempton Machine Works, INC. | Brea | — | ◇ UNVERIFIED |
| KMKempton Machine Works, INC. | Anaheim | — | ◇ UNVERIFIED |
| KIKendon Industries LLC | Anaheim | — | ◇ UNVERIFIED |
