| DCDoor Components | Rancho Cucamonga | — | ◇ UNVERIFIED |
| DBDuncan Bros INC | Bloomington | — | ◇ UNVERIFIED |
| DEDunlap East LLC | Yucaipa | — | ◇ UNVERIFIED |
| DPDynamic Powder Coating | Rialto | — | ◇ UNVERIFIED |
| EPEaa Pacific INC | Ontario | — | ◇ UNVERIFIED |
| ELE & L Quality Machining | Ontario | — | ◇ UNVERIFIED |
| ESEarl Scheib of Cal INC # 245 | San Bernardino | — | ◇ UNVERIFIED |
| ESEndura Steel, INC | Hesperia | — | ◇ UNVERIFIED |
| ELEpifab LLC | Upland | — | ◇ UNVERIFIED |
| EEEstes Express Line | Montclair | — | ◇ UNVERIFIED |
| EIEstrada Investment Group, LLC | Ontario | — | ◇ UNVERIFIED |
| ESEugenio's Sheet Metal INC. | Ontario | — | ◇ UNVERIFIED |
| EIEveridge, INC. | Rancho Cucamonga | — | ◇ UNVERIFIED |
| EIExcel Industries INC Dba Excel Arms Industries | Ontario | — | ◇ UNVERIFIED |
| ECExhaust Center INC | Ontario | — | ◇ UNVERIFIED |
| EDExtreme Doors INC. | Hesperia | — | ◇ UNVERIFIED |
| EPExtreme Powder Coating | Hesperia | — | ◇ UNVERIFIED |
| FIForbes Industries | Ontario | — | ◇ UNVERIFIED |
| FSForbes Steel, INC | Phelan | — | ◇ UNVERIFIED |
| FMFox Manufacturing LLC | Apple Valley | — | ◇ UNVERIFIED |
| FSF.r. Stamping CORP. | Montclair | — | ◇ UNVERIFIED |
| GTGallardo Towing & Auto Repair | Adelanto | — | ◇ UNVERIFIED |
| GAGen Ap Machining LLC | Upland | — | ◇ UNVERIFIED |
| GDGerard Daniel Worldwide | Ontario | — | ◇ UNVERIFIED |
| GFG & F Horse Trailer and Repair | Bloomington | — | ◇ UNVERIFIED |
| GPG&g Performance Mfg. INC. | Chino | — | ◇ UNVERIFIED |
| GEGk Enterprise Truck Body Builder | Ontario | — | ◇ UNVERIFIED |
| GMGlenco Manfacturing CO | Ontario | — | ◇ UNVERIFIED |
| GMG & M Powder Coating | Montclair | — | ◇ UNVERIFIED |
| GIGph Irrigation | Fontana | — | ◇ UNVERIFIED |
 Greenfield Metal Systems, INC. Dba Mwf Solutions | Fontana | — | ◇ UNVERIFIED |
| GIGrimmfab, INC. | Yucaipa | — | ◇ UNVERIFIED |
| HCHartwell CORP | Rancho Cucamonga | — | ◇ UNVERIFIED |
| HWHernandez Wrought Iron, INC. | Ontario | — | ◇ UNVERIFIED |
| HCHerrick CORP Dba San Bernardino Steel INC | San Bernardino | — | ◇ UNVERIFIED |
| HSHighland Supply CORP | Redlands | — | ◇ UNVERIFIED |
| HSHigh Speed Steel Treating CO | Montclair | — | ◇ UNVERIFIED |
| HTHigh Tech Etch - 17220 Lemon | Hesperia | — | ◇ UNVERIFIED |
| HTHi Tech Machine Shop | Fontana | — | ◇ UNVERIFIED |
| IMIcon Metal Works INC Dba Icon Structures | Fontana | — | ◇ UNVERIFIED |
| ITIe Truck Park & Maintenance | San Bernardino | — | ◇ UNVERIFIED |
| IMIgnacio Martinez Dba Sunset and Company | Apple Valley | — | ◇ UNVERIFIED |
| IPImpress Plating & Polishing | Upland | — | ◇ UNVERIFIED |
| ITInduction Technology - Apple Valley | Apple Valley | — | ◇ UNVERIFIED |
| ITIndustrial Threaded Products INC | Ontario | — | ◇ UNVERIFIED |
| ISInland Signs INC | Ontario | — | ◇ UNVERIFIED |
| IAInnovative Architectural Solutions INC | Ontario | — | ◇ UNVERIFIED |
| ITIntegrated Turbo Machinery | Chino | — | ◇ UNVERIFIED |
 Intermetro Industries CORP | Rancho Cucamonga | — | ◇ UNVERIFIED |
| IWInternational Wrought Iron Lt | Chino | — | ◇ UNVERIFIED |
