| MPMenu Printers INC | Anaheim | CA | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| MRMeraki Real Estate Holdings LLC | Anaheim | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMMethods Machine Tools, INC. | Anaheim | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MRMeyer & Reeder INC | Anaheim | CA | Furniture and Related Product Manufacturing337214 | — | ◇ UNVERIFIED |
| MMMiracle Mile Properties La | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MEMJLJ Enterprises, LLC | Anaheim | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MOModular Office System Powder Coating | Anaheim | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MOModular Office System Powder Costing | Anaheim | CA | Furniture and Related Product Manufacturing337214 | — | ◇ UNVERIFIED |
| MCMonsanto Company | Anaheim | CA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| MRMontgomery Radiographic Services | Anaheim | CA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| MAMorrison and Burke INC | Anaheim | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| MCMotors & Controls Warehouse INC. | Anaheim | CA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| MCMoyes Custom Furniture INC | Anaheim | CA | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| MCMoyes Custom Furniture, INC. | Anaheim | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| MMMr Mister Industries | Anaheim | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MLMRV Lakeview LLC | Anaheim | CA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| MEMulti-fineline Electronix INC | Anaheim | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MPMulti_tech Products | Anaheim | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| NSNatural Stone Resources INC. | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NMNbty Manufacturing LLC | Anaheim | CA | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| NPNelco Products INC | Anaheim | CA | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| NPNeutron Plating INC | Anaheim | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NSNew Star International INC | Anaheim | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| NMNominal Machine Products, INC. | Anaheim | CA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| NFNowlin Fence INC | Anaheim | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| NDNunez Dream Team LLC | Anaheim | CA | Electrical Equipment, Appliance & Component Manufacturing335129 | — | ◇ UNVERIFIED |
| NPNu-tec Powder Coating | Anaheim | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| OCOCSM Capital, LLC | Anaheim | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| OIOdetics INC | Anaheim | CA | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ◇ UNVERIFIED |
| OPOdyssey Power Corporation | Anaheim | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| ODOmmi Duct Systems | Anaheim | CA | Apparel Manufacturing315221 | — | ◇ UNVERIFIED |
| OLOn Line Graphics INC | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| OCOrange County Color Graphics | Anaheim | CA | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| OCOrange County Industrial Plastics | Anaheim | CA | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| OCOrange County Register Communications | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| OCOrange County Sheet Metal INC | Anaheim | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| OCOrange County Thermal Industries INC | Anaheim | CA | Textile Mills313320 | — | ◇ UNVERIFIED |
| OGOrangewood Gardena Apts | Anaheim | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| OGOrman Grubb Company | Anaheim | CA | Furniture and Related Product Manufacturing337000 | — | ◇ UNVERIFIED |
| OEOtis Elevator | Anaheim | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| PCPacific Contours Corporation | Anaheim | CA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| PSPacific Stone Design Center, Inc. | Anaheim | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PTPacific Tek | Anaheim | CA | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
 Pacific Transformer CORP | Anaheim | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| PWPacific West Litho INC | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation | Anaheim | CA | Miscellaneous Manufacturing339112 | — | ▲ REPORTED CLOSED |
| PAParking Automation Systems INC | Anaheim | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| PLPhillips, Lobue, Wilson Millwork INC | Anaheim | CA | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| PBPiana Bakeries Inc | Anaheim | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PPPJ Printers | Anaheim | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
