| Chevron Products Co Richmond Refinery | Richmond | 272.5k |
| Knauf Insulation Inc. | Shasta Lake | 155.6k |
| Chevron Products Co. Div Of Chevron Usa Inc. | El Segundo | 145.3k |
| Spreckels Sugar Co Inc. | Brawley | 113.4k |
| Phillips 66 Los Angeles Refinery Wilmington Plant | Wilmington | 88.0k |
| Martinez Refining Co Llc | Martinez | 84.5k |
| Torrance Refining Co Llc | Torrance | 72.5k |
| Ultramar Inc Wilmington Refinery | Wilmington | 72.1k |
| J R Simplot Co | Helm | 70.4k |
| Foster Farms Livingston Complex | Livingston | 64.4k |
| Anheuser-Busch Llc | Van Nuys | 63.6k |
| Valero Refining Co-Cali Fornia Benicia Refinery | Benicia | 57.5k |
| Mitsubishi Chemical Carbon Fiber & Composites Inc. | Sacramento | 50.3k |
| National Cement Co Of California Inc | Lebec | 40.8k |
| Phillips 66 Rodeo Renewable Energy Complex | Rodeo | 29.4k |
| The Pictsweet Co - Santa Maria Ca Plant | Santa Maria | 26.6k |
| Wilbur Ellis Co Llc Rio Linda Hub | Rio Linda | 26.2k |
| The Procter & Gamble Paper Product Co | Oxnard | 25.2k |
| Cemex Construction Materials Pacific Llc | Victorville | 24.4k |
| Air Liquide Large Industries Us Lp - Rodeo Hydrogen Plant | Rodeo | 24.0k |
| Sierra Pacific Industries Quincy Div | Quincy | 23.7k |
| Tesoro Refining & Marketing Co Llc | Martinez | 21.1k |
| Air Products & Chemicals Inc (Martinez-Waterfront Road) | Martinez | 20.2k |
| Imperial Western Products Inc | Coachella | 19.2k |
| E & J Gallo Winery Fresno | Fresno | 18.4k |
| New-Indy Oxnard Llc | Oxnard | 16.4k |
| Airgas Dry Ice | Torrance | 14.6k |
| Anheuser-Busch Llc - Fairfield Brewery | Fairfield | 12.2k |
| Linde Inc | Carson | 11.5k |
| Mp Mine Operations Llc | Mountain Pass | 11.4k |
| Air Products West Coast Hydrogen Llc - Torrance | Torrance | 11.0k |
| Air Products & Chemicals Inc. | Wilmington | 10.1k |
| Hilmar Cheese Co | Hilmar | 9.6k |
| Sierra Pacific Industries Lincoln Div | Lincoln | 8.7k |
| New-Indy Containerboard Ontario Llc | Ontario | 7.0k |
| Calportland Co Mojave Plant | Mojave | 7.0k |
| Tehachapi Cement Llc | Tehachapi | 6.7k |
| Airgas Specialty Products-Riverside Ca | Riverside | 6.5k |
| Owens-Brockway Glass Container Inc Plant 23 | Vernon | 5.9k |
| Owens-Brockway Glass Container Inc Plant #22 | Tracy | 5.8k |
| Air Products & Chemicals Inc. | Carson | 5.2k |
| Google Llc | Fremont | 4.4k |
| Phillips 66 Los Angeles Refinery Carson Plant | Carson | 4.1k |
| Guardian Industries Llc | Kingsburg | 4.0k |
| Conagra Foods Packaged Foods Llc. | Oakdale | 3.4k |
| Eco Services Operations Corp. | Martinez | 3.3k |
| Air Liquide Large Industries U.s. Lp - El Segundo | El Segundo | 3.3k |
| Shell Chemical Lp - Martinez Catalyst Plant | Martinez | 3.2k |
| Linde Inc | Ontario | 3.1k |
| Championx-Bakersfield | Bakersfield | 3.0k |
| E & J Gallo Winery | Livingston | 3.0k |
| New Carrot Farms Llc Dba Bolthouse Fresh Foods | Bakersfield | 2.4k |
| Franzia Winery | Ripon | 2.3k |
| Air Products Manufacturing Llc | Paramount | 1.9k |
| San Joaquin Refining Co Inc | Bakersfield | 1.9k |
| J R Simplot Co Lathrop | Lathrop | 1.7k |
| Catalina Utilities Center | Avalon | 1.7k |
| Thatcher Co Of California | Sacramento | 1.5k |
| Bakersfield Renewable Fuels Llc - Areas 1 & 2 | Bakersfield | 1.4k |
| Air Products West Coast Hydrogen - Hp-1 | Martinez | 1.3k |
| Qualitek Inc (Dba Westak) | Sunnyvale | 1.2k |
| Thunderbolt Wood Treating | Riverbank | 1.2k |
| Northrop Grumman Systems Corp | Sunnyvale | 999 |
| Wilbur-Ellis Co Rna | San Joaquin | 975 |
| Shell Catalysts & Technologies - Pittsburg | Pittsburg | 962 |
| Ingomar Packing | Los Banos | 777 |
| Newport Fab Llc (Dba Towerjazz) | Newport Beach | 713 |
| J.g. Boswell Co - Kings Tomato | Corcoran | 542 |
| Nutrien Ag Solutions | Alpaugh | 500 |
| J.g. Boswell Co - Kern Tomato | Buttonwillow | 499 |
| Pg&e Humboldt Bay Power Plant | Eureka | 397 |
| Rohm & Haas Chemicals Llc | Hayward | 388 |
| Ecolab Inc | City Of Industry | 375 |
| Heraeus Precious Metals Na Llc | Santa Fe Springs | 266 |
| Alpha/Dyno Nobel | Lincoln | 262 |
| Statek Corp | Orange | 255 |
| Argo Chemical Inc | Bakersfield | 246 |
| Bodycote Thermal Processing | Huntington Park | 233 |
| Airgas Specialty Products - Hanford Ca | Hanford | 232 |
| Golden State Vintners | Fresno | 186 |
| Phibro-Tech Inc. | Santa Fe Springs | 125 |
| Osi-Riverside | Riverside | 100 |
| Messer Llc | Torrance | 99 |
| Land O Lakes - Tulare Dairy | Tulare | 85 |
| Skyworks Solutions Inc. | Newbury Park | 40 |
| Actagro Llc | Biola | 17 |
| Hill Brothers Chemical Co | San Jose | 14 |
| Hill Brothers Chemical Co | City Of Industry | 7 |
| Leprino Foods Co | Lemoore | 5 |
| Woodbridge Winery | Acampo | 5 |
| Mcclellan Airtanker Base | Mcclellan | 5 |
| Us Forest Service Air Tanker Base | San Bernardino | 5 |
| Continental Heat Treating Inc | Santa Fe Springs | 4 |
| California Natural Color | Fresno | 4 |
| Baker Petrolite | Bakersfield | 0 |
| Chevron Richmond Technology Center | Richmond | 0 |
| Certis Usa | Wasco | 0 |
| Constellation Brands Us Ops Inc (Dba Mission Bell Winery) | Madera | 0 |
| Lactalis Heritage Dairy Inc. | Tulare | 0 |
| Hydrite Chemical Co | Visalia | 0 |