| SLScargo Labs | Oakland | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SMScientific Metal Finishing INC | Santa Clara | CA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| SASealed Air - Madera | Madera | CA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| SESeaport Environmental - Refining | Redwood City | CA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
Sekisui Diagnostics | San Diego | CA | Chemical Manufacturing325413 | 100-499 | ◐ LIKELY ACTIVE |
Sekisui Diagnostics LLC | San Diego | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| SRSprint Ray | Huntington Beach | CA | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| SLSv Labs | Watsonville | CA | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| SISymborg INC. | Selma | CA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| SHSynergy Health Ast LLC | San Diego | CA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| TTTargeted Therapy Technologies, LLC | Irvine | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| TBThang Botanicals INC | Ojai | CA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| TEThreshold Enterprises LTD. | Scotts Valley | CA | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| TCTrademark Cosmetics | Riverside | CA | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| TITrical INC | Gilroy | CA | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| TLTulare Lake Compost | Kettleman City | CA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| VRVisions Recycling INC. | Azusa | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| VVitrax | Placentia | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| WCWd-40 Company | San Diego | CA | Petroleum and Coal Products Manufacturing324191 | 100-499 | ◐ LIKELY ACTIVE |
| WUWondfo USA CO LTD | San Diego | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| WRWood Repair Products INC | Orange | CA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| WPWright Pharma, INC. | Modesto | CA | Food Manufacturing311423 | 20-99 | ◐ LIKELY ACTIVE |
| WMW.R. Meadows of Southern California | Pomona | CA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| ZAZeltiq Aesthetics INC | Dublin | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| APAccella Polyurethane Systems LLC | Rancho Cucamonga | CA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| AMActive Motif INC | Carlsbad | CA | Chemical Manufacturing325414 | 20-99 | ◐ LIKELY ACTIVE |
| APAdvanced Pressure Technology (ap Tech) | Napa | CA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| APAg Production CO | Turlock | CA | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| ALAir Liquide Large Industries US LP | Rodeo | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| APAir Products Manufacturing LLC | Paramount | CA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| APAir Products West Coast Hydrogen - Hp-1 | Martinez | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| APAir Products West Coast Hydrogen - Hp-2 | Martinez | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| APAir Products West Coast Hydrogen LLC - Torrance | Torrance | CA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| AIAmerican International Industries | Los Angeles | CA | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| AFAmpac Fine Chemicals | El Dorado Hills | CA | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| AMAmrep Manufacturing Company LLC | Ontario | CA | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| AMAnderson Moulds | Stockton | CA | Chemical Manufacturing325211 | 1-19 | ◐ LIKELY ACTIVE |
| AFApollo Future Technology | Livermore | CA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
Applied Biosystems | Pleasanton | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ASAuto-chlor System of Oakland | Oakland | CA | Chemical Manufacturing325612 | — | ◐ LIKELY ACTIVE |
| BCBasf Corporation | Buena Park | CA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| BUBaxalta US Inc., Part of the Takeda Group | Van Nuys | CA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| BPBehr Process CORP | Santa Ana | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| BBiocube/ionobell | San Jose | CA | Chemical Manufacturing325998 | 1-19 | ◐ LIKELY ACTIVE |
Bio-rad Laboratories | Hercules | CA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
Bio-rad Laboratories Clinical Systems Div | Hercules | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| BIBostik, INC. | Temecula | CA | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| BBBridgestone Bandag LLC Long Beach Plant | Long Beach | CA | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| CSCalifornia Sulphur Company | Wilmington | CA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| CBCedars-sinai Biomanufacturing Center | West Hollywood | CA | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |