| 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 |
| LMLina Montes and Blanca Ojeda | Riverside | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| LLL & L Louvers INC | Riverside | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| LGLuxfer Gas Cylinders-composite Division | Riverside | CA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| LULuxfer USA LTD | Riverside | CA | Primary Metal Manufacturing331316 | — | ◇ 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 |
| MPMajestic Print INC | Riverside | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MHMartons Holdings LLC | Riverside | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| MRMaster Refreshment Services LLC | Riverside | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ 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 |
| MLMisty Laforce | Riverside | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
 Modular Structures Int'l INC | Riverside | CA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| MDMolded Devices | Riverside | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MDMono Die Cutting Co., INC. | Riverside | RI | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| MTMorgan Truck Body LLC | Riverside | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MTMorgan Truckbody LLC | Riverside | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MFMorrissey's Furn Rep & Ref | Riverside | CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MNMr Nozzle INC | Riverside | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| MIM.s.r.s., INC. | Riverside | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MRMullins Rubber Products, INC. (0857770747) | Riverside | OH | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| NCNew Cingular Wireless Pcs, At&t Mobility | Riverside | CA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| NINexcoil INC | Riverside | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| NBNothing Bundt Cakes | Riverside | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| NDNotre Dame High School | Riverside | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| NHNursing Home Services INC. | Riverside | RI | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| OSOdonnell Solutions LLC | Riverside | CA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| OPOdyssey Power CORP | Riverside | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| OGOlasaba Grinding Dba Riverside Grinding | Riverside | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| OBOld Bridge Metal Fabrication Inc. | Riverside | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OPOmf Performance Products INC | Riverside | CA | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| OEOrange Ev LLC | Riverside | MO | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| OBOrco Block CO INC | Riverside | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Riverside | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| OEOtis Elevator Company | Riverside | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
