| LCLife Chiropractic College West | Hayward | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| LTLindzi Tran | Hayward | CA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| LWLloyd W Aubry CO INC | Hayward | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| LBLonza Biologics | Hayward | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| LCLuminex Corporation | Hayward | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| LALux Auto INC Dba Premier Motors | Hayward | CA | Textile Mills313210 | — | ◇ UNVERIFIED |
| LBLy Brothers CORP Dba Sugar Bowl Bakery | Hayward | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| MTMaas Tech Coat INC | Hayward | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| MCMacintyre CORP. | Hayward | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MLMagico LLC | Hayward | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MRMaier Racing Enterprises | Hayward | CA | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| MMMarelich Mechanical Co, INC | Hayward | CA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MBMaria Barath Dba Danworth Manufacturing CO | Hayward | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| MFMarko Foam Products INC | Hayward | CA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| MOMatrix Ops INC | Hayward | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCMicrosil Corporation | Hayward | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| MPMirenda-Classick Properties LLC | Hayward | CA | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| MTMission Tool & Mfg CO INC | Hayward | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MMizzico | Hayward | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| MLM & L Metals INC | Hayward | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| MPMonarch Paving Company | Hayward | WI | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MMMunicipal Maintenance Equipment | Hayward | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| NSNanogen Solutions LLC | Hayward | CA | Primary Metal Manufacturing331311 | — | ◇ UNVERIFIED |
| NSNaylor Steel INC | Hayward | CA | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| NNeopost | Hayward | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| NINeopoxy International, INC. | Hayward | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| NCNew Concept Cultured Marble | Hayward | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| NTNew Tech Metal Spinning, INC | Hayward | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| NFNippon Fusso America INC | Hayward | CA | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| NDNorthwood Design Partners, INC. | Hayward | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| NTNova Tool CO | Hayward | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| OSO'connor & Sons, INC. Dba Hydrex Pest Control West | Hayward | CA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| OSOnq Solutions INC | Hayward | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| OIOpticnet INC | Hayward | CA | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| OTOptisolar Technologies, INC | Hayward | CA | Machinery Manufacturing333295 | — | ◇ UNVERIFIED |
| OAOtsuka America Pharmaceutical INC | Hayward | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| OAOtsuka America Pharmaceutical INC. | Hayward | CA | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| OBOwens Brockway Glass Container | Hayward | CA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| PFPacific Finishings Company | Hayward | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| PTPacific Tech Products | Hayward | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| PTPentagon Technologies Group, INC. | Hayward | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PRPerfect Reflections | Hayward | CA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PSPetnet Solutions | Hayward | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PYPick Your Part Auto Wrecking | Hayward | CA | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| PBPlanet Biotechnology INC | Hayward | CA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| PTPlanter Technology INC | Hayward | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| PTPlanter Technology INC | Hayward | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PUPlasmatreat Usa, INC | Hayward | CA | Chemical Manufacturing325613 | — | ◇ UNVERIFIED |
| PIPlastikon INC | Hayward | CA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| PFProfessional Finishing | Hayward | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
