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Employers

Most-Cited Employers in NAICS 211120

Sorted by total violation count.

OtherAK
Hilcorp Alaska, Llc
21 inspections · 29 violations
Prudhoe Bay·$194,280 penalties·Last: Jun 7, 2024
OtherTX
Akita Drilling Usa Corp.
7 inspections · 13 violations
Orla·$40,600 penalties·Last: Feb 10, 2026
OtherKS
Merit Energy Company
3 inspections · 10 violations
Garden City·$66,982 penalties·Last: Mar 28, 2024
OtherAK
Conocophillips Alaska Inc.
4 inspections · 9 violations
Nuiqsut·$750 penalties·Last: Aug 7, 2025
OtherCA
Bellaire Oil Company
2 inspections · 9 violations
Bakersfield·$22,855 penalties·Last: Feb 25, 2025
OtherTX
Taz Well Service, Inc
5 inspections · 7 violations
Pecos·$21,422 penalties·Last: Feb 10, 2026
OtherCA
Berry Petroleum Company, Llc
2 inspections · 7 violations
Fellows·$19,165 penalties·Last: Jun 10, 2025
OtherCA
Bridge Energy Llc
1 inspection · 6 violations
Brea·$3,460 penalties·Last: May 31, 2024
OtherAK
Halliburton
2 inspections · 6 violations
Prudhoe Bay·$43,317 penalties·Last: Jul 2, 2023
OtherUT
Finley Resources Inc
2 inspections · 6 violations
Roosevelt·$7,500 penalties·Last: Apr 4, 2023
SeriousKY
65093 - Storm Burchett
1 inspection · 5 violations
Static·$13,000 penalties·Last: Jun 24, 2022
OtherMI
Yost Energy Inc
1 inspection · 4 violations
Millington·$1,500 penalties·Last: Sep 8, 2025
OtherCO
Kp Kauffman Company, Inc.
2 inspections · 3 violations
Walden·$9,500 penalties·Last: Aug 5, 2024
OtherCO
Chevron Environmental Management Company
1 inspection · 3 violations
Meeker·$174,031 penalties·Last: Jun 30, 2022
OtherTX
Mks Services Llc
2 inspections · 3 violations
Palestine·$18,273 penalties·Last: Jun 22, 2022
OtherCA
Sentinel Peak Resources Management Llc
3 inspections · 2 violations
Fellows·$310 penalties·Last: Apr 22, 2026
OtherMI
Cobra Oil And Gas
1 inspection · 2 violations
West Branch·$200 penalties·Last: Aug 13, 2025
OtherND
William Herbert Hunt Trust Estate
3 inspections · 2 violations
Battleview·$13,052 penalties·Last: Jul 16, 2025
OtherCA
Aera Energy Llc
2 inspections · 2 violations
Lost Hills·$11,630 penalties·Last: Sep 26, 2024
OtherND
Conocophillips Company
2 inspections · 2 violations
Watford City·$14,063 penalties·Last: Jun 11, 2024
OtherKS
John O Farmer Inc
1 inspection · 2 violations
Bogue·$4,500 penalties·Last: Jun 7, 2023
OtherTX
Callon Petroleum Operating Company
4 inspections · 2 violations
Pecos·$500 penalties·Last: Apr 4, 2023
OtherCA
Chevron Corporation
1 inspection · 2 violations
Costa Mesa·$5,000 penalties·Last: Jan 11, 2022
OtherCO
Triton Resources Ii, Llc
2 inspections · 1 violation
La Salle·$9,268 penalties·Last: May 20, 2026
OtherTX
Coterra Energy, Inc.
11 inspections · 1 violation
Kent·$6,000 penalties·Last: Feb 11, 2026
OtherCO
Innovative Mechanical Design Engineering Llc
1 inspection · 1 violation
Eaton·$8,441 penalties·Last: Jan 21, 2026
OtherTX
Halcon Operating Co., Inc.
3 inspections · 1 violation
Barstow·$374 penalties·Last: Feb 24, 2025
OtherMI
T 2 Operating Corporation (dba) T2 O Energy
1 inspection · 1 violation
Milford·$2,000 penalties·Last: Dec 4, 2024
OtherMI
Southern Energy Operating Company Inc
2 inspections · 1 violation
Milford·$400 penalties·Last: Dec 4, 2024
OtherTX
Mewbourne Oil Company
1 inspection · 1 violation
Follett·$9,930 penalties·Last: Nov 20, 2024
OtherTX
Lime Rock Resources
1 inspection · 1 violation
Gause·$600 penalties·Last: Feb 24, 2023
OtherOK
Ovintiv Services, Inc
1 inspection · 1 violation
Kingfisher·$6,500 penalties·Last: Oct 13, 2022
OtherTX
Texas Hot Oilers, Inc.
1 inspection · 1 violation
Palestine·$6,091 penalties·Last: Jun 23, 2022
OtherLA
Tri-c Resources Inc
1 inspection · 1 violation
Ragley·Last: Apr 26, 2021
OtherNM
Evolution Well Services, Llc
1 inspection · 0 violations
Jal·Last: May 19, 2026
OtherTX
Apa Corporation
2 inspections · 0 violations
Pecos·Last: Apr 27, 2026
OtherOK
Resource Oil And Gas, Llc.
1 inspection · 0 violations
Okemah·Last: Mar 19, 2026
OtherOK
Citation Oil & Gas Corporation
3 inspections · 0 violations
Stonewall·Last: Feb 27, 2026
OtherTX
Oxy Usa, Inc.
2 inspections · 0 violations
Orla·Last: Feb 11, 2026
OtherTX
Wellbore Integrity Solutions Llc
1 inspection · 0 violations
Big Spring·Last: Feb 10, 2026
OtherCA
Signal Hill Petroleum
2 inspections · 0 violations
Signal Hill·Last: Feb 4, 2026
OtherND
Petro-hunt Llc
1 inspection · 0 violations
Killdeer·Last: Jan 5, 2026
OtherOK
Staghorn Petroleum Ii, Llc
1 inspection · 0 violations
Hydro·Last: Sep 24, 2025
OtherCA
Crimson Resource Management Corp.
2 inspections · 0 violations
Lost Hills·Last: Jun 24, 2025
OtherTX
L. T. D. Explorations, Inc.
1 inspection · 0 violations
Concepcion·Last: Apr 23, 2025
OtherTX
Apache Corporation
11 inspections · 0 violations
Pecos·Last: Mar 26, 2025
OtherTX
Altitude Energy Partners
1 inspection · 0 violations
Kent·Last: Mar 26, 2025
OtherKS
Scout Energy Management, Llc.
1 inspection · 0 violations
Ulysses·Last: Feb 21, 2025
OtherAR
Mission Creek Employee Co., Llc
1 inspection · 0 violations
Magnolia·Last: Jan 21, 2025
OtherTX
Baytex Energy Usa
2 inspections · 0 violations
Artesia Wells·Last: Jan 13, 2025
OtherMI
T2 Operating Corporation Dba T2o Energy
1 inspection · 0 violations
Milford·Last: Dec 4, 2024
OtherTX
Petro-hunt Llc
2 inspections · 0 violations
Mentone·Last: Oct 16, 2024
OtherUT
Maverik Logistics
1 inspection · 0 violations
Myton·Last: Aug 21, 2024
OtherUT
Uinta Wax Operating, Llc.
1 inspection · 0 violations
Myton·Last: Aug 21, 2024
OtherTX
Midland Operations
1 inspection · 0 violations
Pyote·Last: Mar 26, 2024
OtherIL
Calumet Specialty Products Partners, L.p.
1 inspection · 0 violations
Burnham·Last: Feb 1, 2024
OtherPA
Coterra Energy Inc.
2 inspections · 0 violations
Springville·Last: Oct 24, 2023
OtherOK
Mm Energy Inc.
1 inspection · 0 violations
Oklahoma City·Last: Oct 6, 2023
OtherOK
Db Energy Llc
1 inspection · 0 violations
Tatums·Last: Oct 3, 2023
OtherNM
Apache Corporation
4 inspections · 0 violations
Jal·Last: Jul 11, 2023