| DIDetails INC | Anaheim | — | ◇ UNVERIFIED |
| DHDG Holdings, Inc. | Anaheim | — | ◇ UNVERIFIED |
| DIDiebold, INC. | Cypress | — | ◇ UNVERIFIED |
| DDiskfactory | Irvine | — | ◇ UNVERIFIED |
| ECEaton Corporation | Costa Mesa | — | ◇ UNVERIFIED |
| ECEconolight Control Products, INC. | Fullerton | — | ◇ UNVERIFIED |
| ECEconolite Control Products in | Anaheim | — | ◇ UNVERIFIED |
| ECElectronic Contract Services C | Tustin | — | ◇ UNVERIFIED |
| E2Electroservices 2000, INC. | Santa Ana | — | ◇ UNVERIFIED |
| EEElpac Electronics INC | Santa Ana | — | ◇ UNVERIFIED |
| ETEpe Technologies INC | Costa Mesa | — | ◇ UNVERIFIED |
| ERErika Records INC | Buena Park | — | ◇ UNVERIFIED |
| EUEsino USA Corporation | Irvine | — | ◇ UNVERIFIED |
| ESEugenix Systems INC | Anaheim | — | ◇ UNVERIFIED |
| EAExpert Assembly Services INC Dba Expert Ems | Tustin | — | ◇ UNVERIFIED |
| ELEzurio LLC | Irvine | — | ◇ UNVERIFIED |
| FIFieldpiece Instruments INC. | Orange | — | ◇ UNVERIFIED |
| F2Film 2 Screen Printing INC. | Santa Ana | — | ◇ UNVERIFIED |
| FWFirst Warner Properties, LLC | Santa Ana | — | ◇ UNVERIFIED |
| FRFlint Rehab Devices | Santa Ana | — | ◇ UNVERIFIED |
| FLFluxergy LLC | Irvine | — | ◇ UNVERIFIED |
| FIFreedom Innovations LLC | Irvine | — | ◇ UNVERIFIED |
| FMFrequency Management International | Huntington Beach | — | ◇ UNVERIFIED |
| FCFrontier California INC - Bushard CO | Huntington Beach | — | ◇ UNVERIFIED |
| GLGeneral Linear Systems INC | Fullerton | — | ◇ UNVERIFIED |
| GMGeneral Monitors | Lake Forest | — | ◇ UNVERIFIED |
| GIGlenair INC | Anaheim | — | ◇ UNVERIFIED |
| GTGlobal Tech Instruments INC | Huntington Beach | — | ◇ UNVERIFIED |
| GWGolden West Tech | Fullerton | — | ◇ UNVERIFIED |
| GWGolden West Technology INC | Fullerton | — | ◇ UNVERIFIED |
| GBGreen Bird, LLC | Placentia | — | ◇ UNVERIFIED |
| GSGulton Statham Transducers | Costa Mesa | — | ◇ UNVERIFIED |
| HPHanger P & O West INC | Anaheim | — | ◇ UNVERIFIED |
| HLHealthquest Laboratories INC | Santa Ana | — | ◇ UNVERIFIED |
| HHirsch | Santa Ana | — | ◇ UNVERIFIED |
| HTHi Tec Partners, INC Dba Technica USA | Santa Ana | — | ◇ UNVERIFIED |
| HIHolt Integrated Circuits INC | Mission Viejo | — | ◇ UNVERIFIED |
| HAHughes Aircraft CO | Rancho Sta Margarita | — | ◇ UNVERIFIED |
| HAHughes Aircraft CO Microelect | Newport Beach | — | ◇ UNVERIFIED |
| IIdentiv | Santa Ana | — | ◇ UNVERIFIED |
| ILIntegritox Laboratories | Costa Mesa | — | ◇ UNVERIFIED |
| IIInterchim INC. | Fullerton | — | ◇ UNVERIFIED |
| ICInterpore Cross International | Irvine | — | ◇ UNVERIFIED |
| IDIntersection Dev Corp/detector | Stanton | — | ◇ UNVERIFIED |
| IBInvision Biomedical Group INC | Irvine | — | ◇ UNVERIFIED |
| IOI O Interconnect, LTD. | Santa Ana | — | ◇ UNVERIFIED |
| IIIrvine, Infineon Technologies | Irvine | — | ◇ UNVERIFIED |
| ISIrvine Sensors Corporation | Costa Mesa | — | ◇ UNVERIFIED |
| ICItt Cannon | Santa Ana | — | ◇ UNVERIFIED |
 Justice Tech Solutions LLC | Tustin | — | ◇ UNVERIFIED |
