| EBEssex Boats | Ontario | CA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| EIEstrada Investment Group, LLC | Ontario | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EIEstrada Investment Group, LLC | Ontario | CA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| EEEubanks Engineering CO | Ontario | CA | Machinery Manufacturing333295 | — | ◇ UNVERIFIED |
| ELEuclid Land Venture , LLC C/o Reda | Ontario | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| ESEugenio's Sheet Metal INC. | Ontario | CA | Fabricated Metal Product Manufacturing332214 | — | ◇ UNVERIFIED |
| ECExhaust Center INC | Ontario | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ECExtreme Custom Sheet Metal, INC | Ontario | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| FTFalla's Transport | Ontario | CA | Textile Mills313220 | — | ◇ UNVERIFIED |
| FCFeed Commodities L L C | Ontario | CA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| FMFender Musical Instruments Corporation | Ontario | CA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
| FGFernando Godinez-estrada | Ontario | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| FPFinishing Plus INC | Ontario | CA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| FGFlint Group Packaging Inks North America CORP | Ontario | CA | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FDFlow Dynamics INC | Ontario | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FIForbes Industries | Ontario | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| FFFreedom Finishing | Ontario | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| FGFreedom Graphic Systems INC | Ontario | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| FSFresh Start Bakeries | Ontario | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| FGFruit Growers Supply CO | Ontario | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| GMG4 Mechanical | Ontario | CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| GCGary Carleton | Ontario | CA | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| GEGe Engine Services | Ontario | CA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| GVGeorge Verhoeven Grain, INC. | Ontario | CA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| GDGerard Daniel Worldwide | Ontario | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| GEGk Enterprise Truck Body Builder | Ontario | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| GMGlenco Manfacturing CO | Ontario | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| GCGold Crest Industries, Inc. | Ontario | CA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| GCGraydaze Contracting | Ontario | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| GWGreat Western Eagle Packaging | Ontario | CA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| GLGrove Land Venture LLC | Ontario | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| GLGrove Land Venture LLC | Ontario | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| HTHalbersleben Trucking | Ontario | CA | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| HBHaldex Brake Products CORP | Ontario | CA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| HCHalex Corperation | Ontario | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| HFHamilton Fixture INC Hamilton | Ontario | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| HIHammermill Industries, INC. | Ontario | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HIHarbec INC. | Ontario | NY | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HAHarrington Associated Ind INC Dba Harrington Mold | Ontario | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| HFHeatherfield Foods INC Dba Villa Roma Sausage | Ontario | CA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| HMHeavy Motions INC | Ontario | CA | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| HCHenry CO | Ontario | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HFHeritage Foods | Ontario | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| HWHernandez Wrought Iron, INC. | Ontario | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| HPHexagon Purus Systems USA LLC | Ontario | CA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| HBHillerich & Bradsby CO INC | Ontario | CA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| HHHillman Holdings LLC | Ontario | CA | Food Manufacturing311611 | — | ▲ REPORTED CLOSED |
| HPHi Performance Electric Vehicle Systems INC | Ontario | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| HIHubbell INC | Ontario | CA | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ◇ UNVERIFIED |
| HCHuntsman Corporation | Ontario | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
