| IEInland Empire Truss, INC. | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| IEInnovative Emergency Equipment | Riverside | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| IPInstant Pot Brands | Riverside | CA | Electrical Equipment, Appliance & Component Manufacturing335220 | — | ◇ UNVERIFIED |
| IPInterfill Properties LLC | Riverside | CA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| IPIrvine Pipeline Company INC | Riverside | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| JAJ & a Pallet Accessory INC | Riverside | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| JGJason Gamble Collision and Paint Center | Riverside | CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| JPJen Precision | Riverside | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| JIJlg Industries INC Dba Service Plus South West | Riverside | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| JBJohn Bean Technologies Corporation | Riverside | CA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| JCJohnson Controls | Riverside | MO | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| JCJonathan Chavez | Riverside | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| JRJose Ricardo Martinez Dba Rich Wood Products | Riverside | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| JVJpjw Ventures LLC Dba Pirtek Corona | Riverside | CA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| JCJustice Cuts Recycing | Riverside | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKawneer Company INC | Riverside | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| KPKelker Pharma INC | Riverside | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| KSKgel Steel, INC | Riverside | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| KSKind Society LLC | Riverside | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| KKinghouseauto | Riverside | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| KNK & N Engineering INC | Riverside | CA | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| KNK & N Engineering INC | Riverside | CA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| KIKone INC | Riverside | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| KMKowalskis Moulding Services INC | Riverside | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| KLKrameria LLC | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| KEKuck Enterprises, LLC | Riverside | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| LULamberti USA | Riverside | RI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| LMLa Michoacana Pop | Riverside | CA | Food Manufacturing311520 | — | ◇ UNVERIFIED |
| LOLangdale of Ohio, Inc. & Molded Devices, Inc. | Riverside | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| LCLas Casitas Apartments, LLC | Riverside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| LVLa Vocal Booths | Riverside | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| LVLa Vocal Booths | Riverside | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| LMLegacy Millworks INC | Riverside | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| LNLhoist North America of Arizona INC Riverside Terminal | Riverside | CA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| LPLido Palms Apartments | Riverside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| LILighting Images Technology | Riverside | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| LPLINAI Properties LLC | Riverside | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| LLL & L Louvers INC | Riverside | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| LGLuxfer Gas Cylinders-composite Division | Riverside | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| MIMackie International INC Dba Sun Ice USA | Riverside | CA | Beverage and Tobacco Product Manufacturing312112 | — | ◇ UNVERIFIED |
| MNMageba North America | Riverside | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MHMartons Holdings LLC | Riverside | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| MRMaster Refreshment Services LLC | Riverside | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| MRMasters Refreshment Services | Riverside | CA | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| MFMatch Fit Grind & Lap | Riverside | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MPMeridian Parkway Campus | Riverside | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| MMMetric Machining INC | Riverside | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| MGM G Metal Creations INC | Riverside | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| MHMichael Hillman | Riverside | CA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| MTMicro Test Manufacturing | Riverside | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
