| APAlger Precision Machining LLC | Ontario | CA | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| AIAmd International Technologies LLC | Ontario | CA | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| DEDanco En, LLC | Ontario | CA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| IDIvar's Display, INC. | Ontario | CA | Furniture and Related Product Manufacturing337212 | 20-99 | ◐ LIKELY ACTIVE |
| QCQycell Corporation | Ontario | CA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| BIBishamon Industries Corporatio | Ontario | CA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| AIAdesa International | Ontario | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CDCalifornia Die Casting INC | Ontario | CA | Primary Metal Manufacturing331521 | 20-99 | ◐ LIKELY ACTIVE |
| DMDanco Metal Surfacing | Ontario | CA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| EIEnviroKinetics, Inc. | Ontario | CA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| IPInland Powder Coating CORP | Ontario | CA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
Inline Plastics, INC. | Ontario | CA | Plastics and Rubber Products Manufacturing326121 | — | ◐ LIKELY ACTIVE |
| JIJogue INC | Ontario | CA | Food Manufacturing311930 | 20-99 | ◐ LIKELY ACTIVE |
Maney Aircraft, INC. | Ontario | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NNNellson Nutraceutical LLC | Ontario | CA | Food Manufacturing311352 | 100-499 | ◐ LIKELY ACTIVE |
| OSOptimax Systems INC | Ontario | NY | Machinery Manufacturing333310 | 100-499 | ◐ LIKELY ACTIVE |
| SSimplot | Ontario | OR | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
| SBSoup Bases Loaded | Ontario | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SMSummit Machining LLC | Ontario | CA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TATk America INC | Ontario | CA | Food Manufacturing311423 | 20-99 | ◐ LIKELY ACTIVE |
| VSVishay Spectrol | Ontario | CA | Computer and Electronic Product Manufacturing334000 | 20-99 | ◐ LIKELY ACTIVE |
| CLChem Lab Products, INC. | Ontario | CA | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| GWGreat Western Eagle Packaging Corporation | Ontario | CA | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| GMGriffith Micro Science INC | Ontario | CA | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| HRHolliday Rock Ontario 28 | Ontario | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LFLevco Fab INC | Ontario | CA | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| LRLighting Resources LLC | Ontario | CA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| LOLinde - Ontario, Ca | Ontario | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| NSNet Shapes INC | Ontario | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| NONew-indy Ontario, LLC | Ontario | CA | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
A & J International LLC | Ontario | CA | Furniture and Related Product Manufacturing337920 | — | ◐ LIKELY ACTIVE |
| CQCalifornia Quality Plastics INC | Ontario | CA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| CQCalifornia Quality Plastics, INC. | Ontario | CA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| JEJcm Engineering CORP | Ontario | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MPMelmarc Products Inc | Ontario | CA | Printing and Related Support Activities323113 | 100-499 | ◐ LIKELY ACTIVE |
| NINew- Indy Ontario, LLC | Ontario | CA | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| RIRochester Industrial Control | Ontario | NY | Electrical Equipment, Appliance & Component Manufacturing335999 | 20-99 | ◐ LIKELY ACTIVE |
| SCSolvari CORP. | Ontario | CA | Miscellaneous Manufacturing339115 | — | ◐ LIKELY ACTIVE |
| SMSummit Machine, Inc. | Ontario | CA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CTCole Tool & Die Company | Ontario | OH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| EIEncore Image INC. | Ontario | CA | Printing and Related Support Activities323113 | 20-99 | ◐ LIKELY ACTIVE |
| PMPr Machine Works, INC. | Ontario | OH | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| ZWZb Wire Works INC | Ontario | CA | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| 3T317707976 - Top Onions USA INC | Ontario | OR | Food Manufacturing311225 | 20-99 | ◐ LIKELY ACTIVE |
| AJAmerican Jerky Company LLC | Ontario | CA | Food Manufacturing311111 | — | ◐ LIKELY ACTIVE |
| ASArtesia Sawdust Products INC | Ontario | CA | Wood Product Manufacturing321999 | 1-19 | ◐ LIKELY ACTIVE |
| ABAspire Bakeries Ontario | Ontario | CA | Food Manufacturing311812 | 100-499 | ◐ LIKELY ACTIVE |
| APAstro Pak Corporation - Ontario | Ontario | CA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| CZCarl Zeiss Meditec Production | Ontario | CA | Miscellaneous Manufacturing339115 | — | ◐ LIKELY ACTIVE |
| CCClassic Containers INC | Ontario | CA | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |