| SSylmar | Sylmar | 100–499 | ◐ LIKELY ACTIVE |
| UTUFP Technologies | Rancho Dominguez | 20–99 | ◐ LIKELY ACTIVE |
| UTUFP Technologies - Rancho Dominguez | Rancho Dominguez | 20–99 | ◐ LIKELY ACTIVE |
| UPUniversal Plastic Mold, Inc. | Baldwin Park | 100–499 | ◐ LIKELY ACTIVE |
| UBUS Blanks, LLC | Gardena | 20–99 | ◐ LIKELY ACTIVE |
| ZGZenith Global California | Sun Valley | 1–19 | ◐ LIKELY ACTIVE |
| TYTom York Enterprises INC. | Vernon | — | ◐ LIKELY ACTIVE |
| ADAcademy Design | Montebello | — | ◇ UNVERIFIED |
| AFAlcast Foundry INC | Redondo Beach | — | ◇ UNVERIFIED |
| APAsia Plastics INC | South El Monte | — | ◇ UNVERIFIED |
| MCMolding Corporation of America | Pacoima | — | ◇ UNVERIFIED |
| OEOnex Enterprises CORP | Duarte | — | ◇ UNVERIFIED |
| 1E1201 Emily LLC | San Dimas | — | ◇ UNVERIFIED |
| 3C3m Company | Carson | — | ◇ UNVERIFIED |
| ASAce Scientific Corporation | Claremont | — | ◇ UNVERIFIED |
| ALAir Logistics Corporation | Monrovia | — | ◇ UNVERIFIED |
| ADAll Day Tires LLC | Bell | — | ◇ UNVERIFIED |
| AFAllen Foam Corporation | Compton | — | ◇ UNVERIFIED |
| AIAmerican Investment Holding LLC, a California limited liability company | Los Angeles | — | ◇ UNVERIFIED |
| AMAmerican Manufacture Company, a California corporation | South El Monte | — | ◇ UNVERIFIED |
| ASAmerican Screen & Window Covering INC | South El Monte | — | ◇ UNVERIFIED |
| ASAmericas Styrenics LLC | Torrance | — | ◇ UNVERIFIED |
| AIAmermex International LLC | South El Monte | — | ◇ UNVERIFIED |
| APAnjac-doron Plastics INC | El Monte | — | ◇ UNVERIFIED |
| ANAnna Nguyen and Hung Anh Nguyen, wife and husband as joint tenants | Lynwood | — | ◇ UNVERIFIED |
| AIApplied Industrial Technologies | Los Angeles | — | ◇ UNVERIFIED |
| APArmorcast Products CO | North Hollywood | — | ◇ UNVERIFIED |
| APArmorcast Products CO | Chatsworth | — | ◇ UNVERIFIED |
| APArmorcast Products Company | North Hollywood | — | ◇ UNVERIFIED |
| ASA & S Mold & Die CORP | Chatsworth | — | ◇ UNVERIFIED |
| AVAudio Video Color Corporation Dba Avc CORP | Rancho Dominguez | — | ◇ UNVERIFIED |
| ALAvalon Laboratories, LLC | Rancho Dominguez | — | ◇ UNVERIFIED |
| ADAvery Dennison | Monrovia | — | ◇ UNVERIFIED |
| BPBagcraft Papercon 1 LLC. | City of Industry | — | ◇ UNVERIFIED |
| BWBalboa Water Group | Valencia | — | ◇ UNVERIFIED |
| BBbsi | Cty of Cmmrce | — | ◇ UNVERIFIED |
| BIBeFun Inc. | El Monte | — | ◇ UNVERIFIED |
| BIBenmatt Ind INC | Los Angeles | — | ◇ UNVERIFIED |
| BJBig J Tire | Wilmington | — | ◇ UNVERIFIED |
| BCBlocksom & CO | Los Angeles | — | ◇ UNVERIFIED |
| BMBorray Manufacturer, INC. | Santa Fe Springs | — | ◇ UNVERIFIED |
| BMBrice Manuf. CO. Dba Timco Aerosystems | Pacoima | — | ◇ UNVERIFIED |
| BGBrk Group, LLC. | Pico Rivera | — | ◇ UNVERIFIED |
| BPBroadway Plastics Corporation | South El Monte | — | ◇ UNVERIFIED |
| BLBroquard LLC Dba Broquard Studios | Gardena | — | ◇ UNVERIFIED |
| BIBsd, INC. | Long Beach | — | ◇ UNVERIFIED |
| BGBvc Group, INC. | Pomona | — | ◇ UNVERIFIED |
| CACa Acrylic Industries Inc.dba Cal Spas | Pomona | — | ◇ UNVERIFIED |
| CMCactus Mat Manufacturing (a Corp) | Azusa | — | ◇ UNVERIFIED |
| CGCal Gasket CORP | Gardena | — | ◇ UNVERIFIED |
