| MMMighty Mover Trailers INC | Corona | CA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| MCMission Clay Prod | Corona | CA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| MCMonica Circle | Corona | CA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| MAMotion and Flow Control Products INC | Corona | CA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| MEMotive Energy Telecommunication Group INC | Corona | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| MPM Paggen Trucking INC | Corona | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MPMyers Power Products INC | Corona | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| NENatel Energy INC | Corona | CA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| NPNational Protein Corporation | Corona | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| NENatus Electric Supply LLC Dba Pacific Electric | Corona | CA | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| NDNavcom Defense Electronics, INC | Corona | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| NCNordgear CORP. | Corona | CA | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| NANorth American Pet Products | Corona | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NINucast Industries INC | Corona | CA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OWOldcastle Westile, INC. | Corona | CA | Nonmetallic Mineral Product Manufacturing327122 | — | ◇ UNVERIFIED |
| OPOmega Prod Int | Corona | CA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| OTOn Time Signs CORP. | Corona | NY | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| OIOseda Industries Corporation | Corona | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PCPacific Clay Products | Corona | CA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PSPamela Susan Hall and Steven William Hall | Corona | CA | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| PPParedes Properties LLC | Corona | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PHParker Hannifin Corp, Cylinder Div | Corona | CA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| PSPastelito Sourdough Bakery | Corona | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PSPastelito Sourdough Bakery | Corona | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PAPauquette Associates, LLC | Corona | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| PVPecos Ventures Industries INC | Corona | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PIPlastic Industries INC | Corona | CA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| PEPolara Engineering | Corona | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
 Precise Aerospace Manufacturing | Corona | CA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| PSPrecise Services West | Corona | CA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| PIPrecision Injection Molding CO | Corona | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| PFPremier Framing, INC | Corona | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| PNPremium Nails | Corona | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Prism Aerospace | Corona | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PIProduction Industries INC | Corona | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| QPQuality Performance Marine INC | Corona | CA | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| RCRainbow Custom Cars, INC. | Corona | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| RHRanch House Doors | Corona | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| RHRanch House Doors, Inc. | Corona | CA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| RNRichards Neon Shop, INC. | Corona | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| RRitbearing | Corona | CA | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| RRolcom | Corona | CA | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| RDRoofing Development CO Inc, & | Corona | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| RGRubicon Gear INC | Corona | CA | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| SFSalvi Family Dental | Corona | CA | Miscellaneous Manufacturing339114 | — | ◇ UNVERIFIED |
| SBSambucci Brothers | Corona | NY | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| SSSaratoga Specialties INC | Corona | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| SMSas Manufacturing | Corona | CA | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| SLScreenworks LLC | Corona | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| SCS C R Molding INC | Corona | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
