| JAJ&m Anodizing, INC | Burbank | — | ◇ UNVERIFIED |
| JSJoe Stubblefields Polishing J | Paramount | — | ◇ UNVERIFIED |
| JPJ P Turgeon & Sons INC | Bell Gardens | — | ◇ UNVERIFIED |
| KWKobo World INC | Duarte | — | ◇ UNVERIFIED |
| LPLa Parkerizing Company | Los Angeles | — | ◇ UNVERIFIED |
 Lavi Industries | Valencia | — | ◇ UNVERIFIED |
| LMLc Miller Company | Monterey Park | — | ◇ UNVERIFIED |
| LMLeavitt's Metal Finishing INC | Paramount | — | ◇ UNVERIFIED |
| LFLee Fletcher Enterprises INC | Huntington Park | — | ◇ UNVERIFIED |
| LPLeon Polish | Paramount | — | ◇ UNVERIFIED |
| LML&j Metal Polishing | Compton | — | ◇ UNVERIFIED |
| LML & M Black Oxide | Burbank | — | ◇ UNVERIFIED |
| LPL & P Property Management | City of Industry | — | ◇ UNVERIFIED |
| MCMacdonald Carbide CO INC | Baldwin Park | — | ◇ UNVERIFIED |
| MPMachine Precision Components | Santa Fe Springs | — | ◇ UNVERIFIED |
| MTMachine Tool Factory INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| MIMadison Industries | Los Angeles | — | ◇ UNVERIFIED |
| MCMartin Container Service | Compton | — | ◇ UNVERIFIED |
| MCMartin Container Service INC | Wilmington | — | ◇ UNVERIFIED |
| MMMcdonald Mfg INC | Artesia | — | ◇ UNVERIFIED |
| MSMd Stainless Services INC | Downey | — | ◇ UNVERIFIED |
| MBMel Bernie & CO INC | Burbank | — | ◇ UNVERIFIED |
| MCMetal Container CORP of Califo | Carson | — | ◇ UNVERIFIED |
| MIMicrofabrica INC | Van Nuys | — | ◇ UNVERIFIED |
 Micro Surface Engr INC Dba Bal-tec | Huntington Park | — | ◇ UNVERIFIED |
| MVMid Valley Anodizing | Burbank | — | ◇ UNVERIFIED |
| MDMiller Dial Corporation | El Monte | — | ◇ UNVERIFIED |
| MIMills Iron Works, INC | Gardena | — | ◇ UNVERIFIED |
| MDMk Diamond Products | Torrance | — | ◇ UNVERIFIED |
| MMMnm Manufacturing | Compton | — | ◇ UNVERIFIED |
| MPMonitor Plating & Polishing | Pasadena | — | ◇ UNVERIFIED |
| MPMorgan Products | Valencia | — | ◇ UNVERIFIED |
| MPMulti-spec Painting INC | Gardena | — | ◇ UNVERIFIED |
| MIMurray's Iron Works INC | Commerce | — | ◇ UNVERIFIED |
 Myers Container LLC | City of Industry | — | ◇ UNVERIFIED |
| NPNanoprecision Products | El Segundo | — | ◇ UNVERIFIED |
| NDNavcom Defense Electronics INC | El Monte | — | ◇ UNVERIFIED |
| NCNew Century Industries INC | Paramount | — | ◇ UNVERIFIED |
| NINi Industries INC Norris Div | Vernon | — | ◇ UNVERIFIED |
| OCOld Country Millwork INC | Los Angeles | — | ◇ UNVERIFIED |
| OCOptical Components | Covina | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics | Arcadia | — | ◇ UNVERIFIED |
| PAPacific Award Metals INC | Baldwin Park | — | ◇ UNVERIFIED |
| PMPacific Metal Stampings INC | Valencia | — | ◇ UNVERIFIED |
| PSPacific Steel Treating CO Incorporated | N Hollywood | — | ◇ UNVERIFIED |
| PTPalmquist Tooling INC | South Gate | — | ◇ UNVERIFIED |
| PGParamount Grinding Svc | Paramount | — | ◇ UNVERIFIED |
| PEPerez Engineering INC | Gardena | — | ◇ UNVERIFIED |
| PCPerkin-elmer CORP Applied Sci | Pomona | — | ◇ UNVERIFIED |
| PIPhylrich International | Los Angeles | — | ◇ UNVERIFIED |
