| CCClassic Containers INC | Ontario | CA | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| CPCoastal Pacific Food Distributors, INC. | Ontario | CA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
Doble Engineering Company (Ontario, CA) | Ontario | CA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| FAFortune Avenue Foods | Ontario | CA | Food Manufacturing311211 | — | ◐ LIKELY ACTIVE |
| FFFry Foods | Ontario | OR | Food Manufacturing311212 | — | ◐ LIKELY ACTIVE |
| MLMira Loma Peaker Generating Station | Ontario | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| NBNiagara Bottling, LLC - Philly St | Ontario | CA | Beverage and Tobacco Product Manufacturing312112 | 100-499 | ◐ LIKELY ACTIVE |
| PBPagliuso Brothers Slaughterhouse | Ontario | NY | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| PLParco, LLC | Ontario | CA | Plastics and Rubber Products Manufacturing326211 | — | ◐ LIKELY ACTIVE |
| PPhilips | Ontario | CA | Miscellaneous Manufacturing339114 | 100-499 | ◐ LIKELY ACTIVE |
| PCPrc Composites, LLC | Ontario | CA | Plastics and Rubber Products Manufacturing326130 | — | ◐ LIKELY ACTIVE |
| SSoupWerks | Ontario | CA | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
| SPSouth Precision Machining | Ontario | CA | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| TFTropicale Foods, LLC. - Ontario | Ontario | CA | Food Manufacturing311520 | 100-499 | ◐ LIKELY ACTIVE |
| URUhp Resistors, INC. | Ontario | CA | Computer and Electronic Product Manufacturing334416 | 1-19 | ◐ LIKELY ACTIVE |
| ADAcademy Doors | Ontario | CA | Fabricated Metal Product Manufacturing332321 | — | ◐ LIKELY ACTIVE |
| AMAmrep Manufacturing Company LLC | Ontario | CA | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| BSBarnmaster Supply LLC Dba Marnmaster | Ontario | CA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| CACox a Division of Kls Doors | Ontario | CA | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| ECElite Comfort Solutions | Ontario | CA | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
Hudson Technologies Company | Ontario | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| KGKellogg Garden Products | Ontario | CA | Chemical Manufacturing325311 | — | ◐ LIKELY ACTIVE |
Leggett & Platt INC | Ontario | CA | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| NSNet Shapes INC | Ontario | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| OPOptimax Phase 3 | Ontario | NY | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| ROReconserve of California Ontario INC | Ontario | CA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| TSThe Sherwin-williams Company | Ontario | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| WMW M Barr & CO INC | Ontario | CA | Plastics and Rubber Products Manufacturing326130 | — | ◐ LIKELY ACTIVE |
| 2A2009 Anytrek | Ontario | CA | Computer and Electronic Product Manufacturing334220 | 20-99 | ◐ LIKELY ACTIVE |
| APAxium Packaging : Ontario | Ontario | CA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| BSBray Sales California | Ontario | CA | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| CBCalifornia Branch | Ontario | CA | Machinery Manufacturing333991 | 1-19 | ◐ LIKELY ACTIVE |
| CNCharter Next Generation - Ontario | Ontario | OH | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| CIChunwei Inc. | Ontario | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CPCoastal Pacific Food Distributors | Ontario | CA | — | — | ◐ LIKELY ACTIVE |
| CCCollins Company | Ontario | CA | Textile Mills313310 | 20-99 | ◐ LIKELY ACTIVE |
| CCorporate | Ontario | CA | Food Manufacturing311412 | 100-499 | ◐ LIKELY ACTIVE |
| CPCorrugated Packaging Ontario S | Ontario | CA | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| CUCox, USA | Ontario | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| DWDriftless Winery | Ontario | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DDsm | Ontario | CA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| FGFRUIT GROWERS SUPPLY - Ontario - Carton Plant | Ontario | CA | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| GDGh Dairy | Ontario | CA | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| HSHDT-Expeditionary Systems, Inc. Ontario | Ontario | OH | Machinery Manufacturing333413 | 1-19 | ◐ LIKELY ACTIVE |
| HTHongsheng Trading INC | Ontario | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| ISIndustry Standard Vodka | Ontario | NY | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| JPJoe Pagliuso & Bro's Inc. | Ontario | NY | Food Manufacturing311611 | 1-19 | ◐ LIKELY ACTIVE |
| KOKamps Ontario | Ontario | CA | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| KRKMC Rubber Ontario | Ontario | CA | Plastics and Rubber Products Manufacturing326299 | 20-99 | ◐ LIKELY ACTIVE |
| LPLassonde Pappas Ontario | Ontario | CA | Food Manufacturing311421 | 20-99 | ◐ LIKELY ACTIVE |