| MLMaskott LLC | Burbank | — | ◇ UNVERIFIED |
| MAMaxwell Alarm Screen Mfg INC | Chatsworth | — | ◇ UNVERIFIED |
| MDMdd Display & Packaging | Cerritos | — | ◇ UNVERIFIED |
| MLMedia Lithographics INC | Commerce | — | ◇ UNVERIFIED |
| MEMelin Enterprises Direct Colo | Long Beach | — | ◇ UNVERIFIED |
| MEMerlin Enterprises Direct Color | Long Beach | — | ◇ UNVERIFIED |
| MCMerrill CORP | Los Angeles | — | ◇ UNVERIFIED |
| MCMerrill Corporation | La Mirada | — | ◇ UNVERIFIED |
| MTMetromedia Technologies INC | Glendale | — | ◇ UNVERIFIED |
| MOMidnight Oil Agency, INC. | Burbank | — | ◇ UNVERIFIED |
| MGMiller Graphics INC | Baldwin Park | — | ◇ UNVERIFIED |
| MPMina Printing, Inc. | Inglewood | — | ◇ UNVERIFIED |
| MPMinuteman Press Covina | Covina | — | ◇ UNVERIFIED |
| MPMir Printing & Graphics | Canoga Park | — | ◇ UNVERIFIED |
| MEMission Engraving & Offset Pla | Los Angeles | — | ◇ UNVERIFIED |
| MMMixed Media Productions INC | Vernon | — | ◇ UNVERIFIED |
| MWMixografia Workshop | Los Angeles | — | ◇ UNVERIFIED |
| MMM & M Productions M & M Ellen | San Dimas | — | ◇ UNVERIFIED |
| MGModem Graphics INC | Industry | — | ◇ UNVERIFIED |
| MGModem Graphics INC | City of Industry | — | ◇ UNVERIFIED |
| MCMolino Company, Melcast Litho | Montebello | — | ◇ UNVERIFIED |
| MLMonarch Litho INC | Montebello | — | ◇ UNVERIFIED |
| MGMvp Graphics INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| NCNational Card Label & Affixing INC | Cerritos | — | ◇ UNVERIFIED |
| NPNational Packaging Products | Commerce | — | ◇ UNVERIFIED |
| NPNation's Printing CORP | El Segundo | — | ◇ UNVERIFIED |
| NPNationwide Plastic Products INC | Gardena | — | ◇ UNVERIFIED |
| NNNC Nielson Properties, LLC | Gardena | — | ◇ UNVERIFIED |
| NNNelson Nameplate Company | Los Angeles | — | ◇ UNVERIFIED |
| NENew Epoch Press Inc. | Santa Fe Springs | — | ◇ UNVERIFIED |
| NPNews Publishers Press | Glendale | — | ◇ UNVERIFIED |
| NWNew Way Digital Printing, Inc. | Montrose | — | ◇ UNVERIFIED |
| NENG Enterprises Inc. | Van Nuys | — | ◇ UNVERIFIED |
| NMNGM Marquez Properties, LLC | Duarte | — | ◇ UNVERIFIED |
| NSNicoles Screen Printing INC | Vernon | — | ◇ UNVERIFIED |
| NPNo Point Pencils Lc Dba Problems Printing | South El Monte | — | ◇ UNVERIFIED |
| OTOberthur Technologies | Rancho Dominguez | — | ◇ UNVERIFIED |
| OAOf All Times, INC. | Pico Rivera | — | ◇ UNVERIFIED |
| OAOne Accord Corporation Dba Postageone | Valencia | — | ◇ UNVERIFIED |
| ODOneil Data Systems INC | Los Angeles | — | ◇ UNVERIFIED |
| OSOne Stop Printing & Binding | Winnetka | — | ◇ UNVERIFIED |
| ODOptical Disc Media | Valencia | — | ◇ UNVERIFIED |
| OMOrb Media & Display Service | South Gate | — | ◇ UNVERIFIED |
| OLOrigin LLC | Burbank | — | ◇ UNVERIFIED |
| OVOrora Visual LLC | Los Angeles | — | ◇ UNVERIFIED |
| OCOutter City Arts LA LLC | Los Angeles | — | ◇ UNVERIFIED |
| PIP3 INC | Valencia | — | ◇ UNVERIFIED |
| PBPacific Bell, At&t Ca, Dba | South Pasadena | — | ◇ UNVERIFIED |
| PDPacific Data Forms INC | Long Beach | — | ◇ UNVERIFIED |
| PDPacific Design Ctr Birren Cor | West Hollywood | — | ◇ UNVERIFIED |
