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Employers

Most-Cited Employers in NAICS 324110

Sorted by total violation count.

OtherCA
Chevron U.s.a. Inc.
57 inspections · 106 violations
Richmond·$378,530 penalties·Last: Apr 27, 2026
OtherCA
Phillips 66 Company
45 inspections · 97 violations
Carson·$108,290 penalties·Last: May 12, 2026
OtherCA
Martinez Refining Company Llc
27 inspections · 77 violations
Martinez·$323,415 penalties·Last: Apr 10, 2026
OtherCA
Valero Refining Company - California
22 inspections · 36 violations
Benicia·$654,805 penalties·Last: Apr 2, 2026
OtherCA
Torrance Refining Company Llc
27 inspections · 32 violations
Torrance·$73,395 penalties·Last: Apr 2, 2026
OtherCA
Ultramar Inc./valero Wilmington Refinery
3 inspections · 24 violations
Wilmington·$14,470 penalties·Last: Jul 5, 2022
OtherCA
California Asphalt Production, Llc.
2 inspections · 23 violations
Santa Maria·$51,710 penalties·Last: Sep 23, 2020
OtherDE
Delaware City Refining Company, Llc
7 inspections · 23 violations
Delaware City·$524,853 penalties·Last: Mar 12, 2020
OtherVI
Limetree Bay Refining, Llc.
1 inspection · 20 violations
Christiansted·$259,407 penalties·Last: Mar 26, 2021
SeriousCA
Kern Oil & Refining Co.
9 inspections · 18 violations
Bakersfield·$76,120 penalties·Last: Jul 17, 2025
OtherCA
San Joaquin Refining Co., Inc.
4 inspections · 17 violations
Bakersfield·$107,385 penalties·Last: Nov 5, 2025
OtherTX
Blue Dolphin Energy Company
2 inspections · 16 violations
Nixon·$73,263 penalties·Last: May 4, 2022
OtherPA
United Refining Company
9 inspections · 13 violations
Warren·$40,038 penalties·Last: Dec 20, 2024
OtherWI
Superior Refining Company, Llc.
6 inspections · 13 violations
Superior·$69,846 penalties·Last: Jul 22, 2022
OtherCA
Bakersfield Renewable Fuels, Llc
6 inspections · 12 violations
Bakersfield·$5,845 penalties·Last: Apr 16, 2025
OtherOK
Cvr Common Services, Llc
3 inspections · 12 violations
Wynnewood·$89,225 penalties·Last: Jun 25, 2024
OtherOH
Bp Products North America, Inc.
1 inspection · 12 violations
Oregon·$125,000 penalties·Last: Sep 21, 2022
OtherIL
Phillips 66 Company
4 inspections · 11 violations
Roxana·$69,983 penalties·Last: Nov 21, 2025
OtherTX
Phillips 66 Company
6 inspections · 11 violations
Borger·$109,544 penalties·Last: Apr 9, 2024
OtherLA
Calumet Shreveport Refining, Llc
1 inspection · 11 violations
Shreveport·$59,000 penalties·Last: Nov 7, 2023
OtherCA
Altair Paramount, Llc
3 inspections · 11 violations
Paramount·$28,460 penalties·Last: May 17, 2023
OtherTX
Shell Chemical Lp
2 inspections · 10 violations
Deer Park·$60,271 penalties·Last: Jun 16, 2023
OtherPA
Philadelphia Energy Solutions
2 inspections · 10 violations
Philadelphia·$132,600 penalties·Last: Jun 21, 2019
OtherVI
Port Hamilton Refinery And Transportation Lllp
2 inspections · 9 violations
St Croix·$44,152 penalties·Last: Dec 9, 2024
OtherOH
Toledo Refining Company, Llc
8 inspections · 9 violations
Oregon·$23,232 penalties·Last: Jul 13, 2023
OtherTX
Exxon Mobil Baytown Refinery
5 inspections · 9 violations
Baytown·$45,578 penalties·Last: Aug 3, 2022
OtherLA
Valero Refinery-meraux Llc
1 inspection · 9 violations
Meraux·$73,673 penalties·Last: Apr 25, 2022
OtherCA
Chevron Usa, Inc
21 inspections · 8 violations
El Segundo·$3,245 penalties·Last: Sep 11, 2025
OtherLA
Citgo Petroleum Corporation-lcmc
2 inspections · 8 violations
Sulphur·$16,520 penalties·Last: Jun 28, 2023
OtherCA
Tricor Refining Llc
4 inspections · 8 violations
Bakersfield·$10,345 penalties·Last: Aug 6, 2021
OtherAR
Delek Us
1 inspection · 8 violations
El Dorado·$54,612 penalties·Last: Mar 1, 2021
OtherTX
Delek Refining, Ltd.
2 inspections · 7 violations
Tyler·$96,939 penalties·Last: Sep 16, 2025
SeriousOR
317733732 - Regenyx Llc
1 inspection · 7 violations
Tigard·$810 penalties·Last: Jul 28, 2023
OtherTX
Exxonmobil Baytown Refinery
2 inspections · 7 violations
Baytown·$32,250 penalties·Last: Sep 23, 2022
OtherCA
Turnaround Welding Services
1 inspection · 7 violations
Wilmington·$11,230 penalties·Last: Mar 25, 2021
OtherLA
Calcasieu Refining Company
2 inspections · 7 violations
Lake Charles·$50,458 penalties·Last: Sep 18, 2020
OtherCA
Equilon Enterprises Llc
9 inspections · 7 violations
Martinez·$13,490 penalties·Last: Jul 30, 2019
OtherCA
Onpoint Industrial Services, Llc
3 inspections · 6 violations
Martinez·$2,700 penalties·Last: Dec 16, 2025
OtherTX
Usa Debusk Llc
2 inspections · 6 violations
El Paso·$14,518 penalties·Last: Nov 15, 2023
OtherCA
Brinderson Constructors Inc
2 inspections · 6 violations
Rodeo·$53,990 penalties·Last: Sep 12, 2022
OtherTX
Buckeye Texas Processing, Llc
1 inspection · 6 violations
Corpus Christi·$14,502 penalties·Last: Feb 9, 2022
OtherLA
Calumet Lubricants Co., L.p.
1 inspection · 6 violations
Cotton Valley·$23,904 penalties·Last: Jul 30, 2019
OtherCA
Phillips 66 Los Angeles Refinery
1 inspection · 6 violations
Carson·$22,000 penalties·Last: Mar 16, 2019
OtherTX
Western Refining Company, L.p.
1 inspection · 6 violations
El Paso·$26,520 penalties·Last: Feb 12, 2019
SeriousIN
107461 - Gladieux Processing Llc
1 inspection · 6 violations
Huntington·$1,925 penalties·Last: Jun 5, 2018
OtherTX
Citgo Refining And Chemicals Company L.p.
3 inspections · 6 violations
Corpus Christi·$40,564 penalties·Last: Apr 17, 2018
OtherTX
Diamond Shamrock Refining Company, L.p.
2 inspections · 5 violations
Three Rivers·$49,650 penalties·Last: Feb 18, 2025
OtherAL
Hunt Refining Company
2 inspections · 5 violations
Tuscaloosa·$39,780 penalties·Last: Apr 24, 2023
OtherCA
Kern Energy
3 inspections · 5 violations
Bakersfield·$27,500 penalties·Last: Mar 29, 2023
OtherTX
Delek Us
1 inspection · 5 violations
Big Spring·$30,247 penalties·Last: Aug 9, 2022
OtherTX
Marathon Galveston Bay Refinery
3 inspections · 5 violations
Texas City·$44,500 penalties·Last: May 16, 2022
OtherTX
Houston Refining, Lp
8 inspections · 5 violations
Houston·$36,273 penalties·Last: Mar 26, 2021
OtherPA
American Refining Group, Inc.
6 inspections · 4 violations
Bradford·$11,000 penalties·Last: Sep 5, 2025
OtherTX
Deer Park Refining Ltd
1 inspection · 4 violations
Deer Park·$33,100 penalties·Last: Oct 11, 2024
OtherTX
Ups Industrial Services, Llc
1 inspection · 4 violations
Deer Park·$3,000 penalties·Last: May 9, 2023
OtherNJ
Phillips 66
7 inspections · 4 violations
Linden·$31,257 penalties·Last: Mar 22, 2023
OtherCA
Valero Refining Company
3 inspections · 4 violations
Benicia·$1,200 penalties·Last: May 27, 2021
OtherTX
Valero Refining - Texas Lp
1 inspection · 4 violations
Texas City·$25,868 penalties·Last: Apr 20, 2018
OtherTX
Marathon Petroleum Corporation
3 inspections · 3 violations
El Paso·$16,000 penalties·Last: Apr 11, 2026
OtherCA
Ultramar Inc.
3 inspections · 3 violations
Wilmington·$10,495 penalties·Last: Jun 3, 2025