| MLMicronixusa, LLC | Santa Ana | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MIMicroplex INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| MMicrotech | Santa Ana | CA | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| MTMicro-technic Tool+stamp | Santa Ana | CA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| MIMidlab, INC. | Santa Ana | CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| MCMiles Ceramic Color | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| MWMiller Woodcraft | Santa Ana | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MCMission Custom Shutters INC | Santa Ana | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| MRMontgomery Radiographic Services | Santa Ana | CA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| MIMpd INC | Santa Ana | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MCMpp Company | Santa Ana | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| MCM.p.p. Company, Michael Gerard Horist Db | Santa Ana | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MCMr Corner | Santa Ana | CA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MEMrw Extrusion INC. | Santa Ana | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| NBNetwork Brewery LLC | Santa Ana | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| NWNew Wellness Iii LLC | Santa Ana | CA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| NGNexus Garden Plaza | Santa Ana | CA | Paper Manufacturing322219 | — | ◇ UNVERIFIED |
| NPNorth Park Plaza | Santa Ana | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| NPNrg Power | Santa Ana | CA | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| NENRS Enterprises, Inc. | Santa Ana | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| NLNugel LLC | Santa Ana | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| OPOc Pallets, INC. Dba Oc Pallets | Santa Ana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| OWOld World Classics INC and Provenza Floors INC | Santa Ana | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| OCOlive Crest | Santa Ana | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| OCOlympic Coatings | Santa Ana | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ODOmar Deen | Santa Ana | CA | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| OEOmega Emgineering INC Dba Newport Electronics INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| OWOne Way Mfg | Santa Ana | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| OCOrange Co, Pfrd/facilities Operations | Santa Ana | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics | Santa Ana | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| OUOrw USA INC Dba 4 Wheel Parts | Santa Ana | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| OROscorp Restorations INC | Santa Ana | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PFPacific Fresh Foods | Santa Ana | CA | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| PSPacific Screenprint International INC | Santa Ana | CA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
 Panelight Components Group, LLC | Santa Ana | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| PCParamount Custom Plating | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PCParty City CORP Dba Halloween City Store #8037 | Santa Ana | CA | Miscellaneous Manufacturing339993 | — | ◇ UNVERIFIED |
| PCPaul's Custom Shutters, Paul T | Santa Ana | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| PLPennyvision LLC Dba Pizza Hut | Santa Ana | CA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| PRPeople's Refinery-hero Oak LLC | Santa Ana | CA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PAPerez Auto Repair | Santa Ana | CA | Transportation Equipment Manufacturing336992 | — | ◇ UNVERIFIED |
| PSPerformance Sport International, INC. | Santa Ana | CA | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| PLPinnacle Landscape Management INC | Santa Ana | CA | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| PCPleion CORP | Santa Ana | CA | Furniture and Related Product Manufacturing337214 | — | ◇ UNVERIFIED |
| PBPM Biomedical Inc. | Santa Ana | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PLPolyclad Laminates INC | Santa Ana | CA | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PLPolyclad Laminates INC | Santa Ana | CA | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| PMPrecious Metals Plating CO | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PPPrecision Powder Coating, Inc | Santa Ana | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PFPrime Forming & Construction Supplies INC Dba Fitzgerald Formliners in | Santa Ana | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
