Supply Chain Map
OXYCIK 797468

OCCIDENTAL PETROLEUM CORP /DE/

EDGAR filings
Customers
2
2 federal agencies
Suppliers
12
7 disclosed
Top supplier share
15%
of MNRL Sub Inc. revenue · 3M to 2022-09-30
Top supplier by $
$2.1B
PIONEER NATURAL RESOURCES CO · FY to 2023-12-31
Federal obligations
$19.3M
FY2026 · USAspending.gov
Latest period
Dec 31, 2025
10-K filed 2026-03-16
SuppliersCustomersPIONEER NATURAL RESOURCES CO11% · $2.1BPIONEER NATURAL RESOURCES CO · 11% of their revenue · $2.1B · FY to 2023-12-31 · 10-K filed 2024-02-22LBRT10% · $431.5MLBRT · 10% of their revenue · $431.5M · FY to 2024-12-31 · 10-K filed 2026-02-02PUMP13.7% · $173.9MPUMP · 13.7% of their revenue · $173.9M · FY to 2025-12-31 · 10-K filed 2026-02-19MNRL Sub Inc.11% · $17.2MMNRL Sub Inc. · 11% of their revenue · $17.2M · FY to 2021-12-31 · 10-K filed 2022-02-28National Energy Services, Inc.14% · $2.5MNational Energy Services, Inc. · 14% of their revenue · $2.5M · FY to 2014-12-31 · 10-K/A filed 2015-09-18LBnamedLB · named of their revenue · FY to 2025-12-31 · 10-K filed 2026-02-26NGSnamedNGS · named of their revenue · FY to 2025-12-31 · 10-K filed 2026-03-16Health and Human Servicesfederal · $19.3MDepartment of Health and Human Services (federal): $19.3M in FY2026 across 4 awardsVeterans Affairsfederal · $1.4MDepartment of Veterans Affairs (federal): $1.4M in FY2024 across 23 awardsOXY
Band height is the estimated dollar value: the disclosed share × the discloser's revenue for that period (latest full year where available) or federal dollars obligated. Each side is scaled on its own; dashed outlines are named without a figure. Click a band to open its source.

Suppliers 12

Companies that disclose OXY as a major customer, as a share of their own revenue. 7 active, 5 lapsed.

Company% of their revenueEst. $ from OXYPeriodTrendStatusSource
MNRL Sub Inc.
MNRL Sub Inc.
 15%$14.1M 3M 2022-09-30
3M ending 2019-06-30: 22%3M ending 2019-09-30: 14%3M ending 2020-03-31: 13%3M ending 2020-06-30: 15%3M ending 2020-09-30: 11%3M ending 2021-03-31: 12%3M ending 2021-06-30: 12%3M ending 2021-09-30: 10%3M ending 2022-03-31: 10%3M ending 2022-06-30: 12%3M ending 2022-09-30: 15%+3.0pp
Active 10-Q 2022-11-03
Occidental Petroleum Corp 15 % 10 % 13 % 11 %
10-Q filed 2022-11-03 Period 3M 2022-07-01 to 2022-09-30 (15%), 3M 2021-07-01 to 2021-09-30 (10%)Accession 0001745797-22-000054
Three Months Ended June 30,Six Months Ended June 30,2022202120222021Pioneer Natural Resources13 %6 %14 %5 %Occidental Petroleum Corp12 %12 %11 %12 %Exxon Mobil Corp9 %14 %10 %15 %Chevron9 %3 %10 %3 %Continental Resources Inc.6 %10 %6 %10 %ConocoPhillips Company6 %12 %6 %12 %
10-Q filed 2022-08-05 Period 3M 2022-04-01 to 2022-06-30 (12%), 3M 2021-04-01 to 2021-06-30 (12%)Accession 0001745797-22-000041
Three Months Ended March 31,20222021Pioneer Natural Resources15 %5 %Chevron12 %4 %Occidental Petroleum Corp10 %12 %Exxon Mobil Corp10 %16 %ConocoPhillips Company6 %12 %
10-Q filed 2022-05-05 Period 3M 2022-01-01 to 2022-03-31 (10%), 3M 2021-01-01 to 2021-03-31 (12%)Accession 0001745797-22-000027
Occidental Petroleum Corp. 11 % 12 % 16 %
10-K filed 2022-02-28 Period FY 2021-01-01 to 2021-12-31 (11%)Accession 0001745797-22-000017
Occidental Petroleum 12 % 19 % 1 % — % — % 16 % — % — %
10-K filed 2022-02-28 Period FY 2020-01-01 to 2020-12-31 (12%)Accession 0001745797-22-000017
Three Months Ended September 30,Nine Months Ended September 30,Customer (Operator) Name2021202020212020Exxon Mobil Corp12 %10 %14 %9 %Continental Resources Inc.11 %12 %11 %9 %Occidental Petroleum Corp10 %11 %11 %13 %Royal Dutch Shell PLC6 %9 %8 %13 %
10-Q filed 2021-11-03 Period 3M 2020-07-01 to 2020-09-30 (11%)Accession 0001745797-21-000075
Three Months Ended June 30,Six Months Ended June 30,Customer (Operator) Name2021202020212020Exxon Mobil Corp14 %12 %15 %9 %Occidental Petroleum Corp12 %15 %12 %14 %Continental Resources Inc.10 %6 %10 %8 %Royal Dutch Shell PLC7 %10 %8 %14 %
10-Q filed 2021-08-05 Period 3M 2020-04-01 to 2020-06-30 (15%)Accession 0001745797-21-000060
Three Months Ended Customer (Operator) NameMarch 31, 2021March 31, 2020Exxon Mobil Corp16 %8 %Occidental Petroleum Corp12 %13 %Continental Resources Inc.10 %9 %Royal Dutch Shell PLC9 %16 %
10-Q filed 2021-05-07 Period 3M 2020-01-01 to 2020-03-31 (13%)Accession 0001745797-21-000036
Three Months Ended September 30,Nine Months Ended September 30,Customer (Operator) Name2020201920202019Continental Resources Inc12 %12 %9 %10 %Occidental Petroleum Corp11 %14 %13 %18 %Exxon Mobil Corp10 %15 %9 %8 %Royal Dutch Shell PLC9 %1 %13 %1 %
10-Q filed 2020-11-06 Period 3M 2019-07-01 to 2019-09-30 (14%)Accession 0001745797-20-000070
Occidental Petroleum Corp 15 % 22 % 14 % 21 %
10-Q filed 2020-08-13 Period 3M 2019-04-01 to 2019-06-30 (22%)Accession 0001745797-20-000057
MTDR
Matador Resources Co
 14%$143.7M FY 2019-12-31
FY ending 2017-12-31: 23%FY ending 2018-12-31: 14%FY ending 2019-12-31: 14%±0.0pp
Lapsed
Last seen 2019-12-31
 10-K 2020-03-02
For the year ended December 31, 2018, four significant purchasers accounted for 60% of the Company’s total oil, natural gas and NGL revenues: Plains Marketing, L.P. (19%), BP America Production Company (15%), Occidental Energy Marketing, Inc. (14%) and Western Refining Crude Oil (12%).
10-K filed 2020-03-02 Period FY 2019-01-01 to 2019-12-31 (14%)Accession 0001520006-20-000037
For the year ended December 31, 2018, four significant purchasers accounted for 60% of the Company’s total oil, natural gas and NGL revenues: Plains Marketing, L.P. (19%), BP America Production Company (15%), Occidental Energy Marketing, Inc. (14%), and Western Refining Crude Oil (12%).
10-K filed 2021-02-26 Period FY 2018-01-01 to 2018-12-31 (14%)Accession 0001520006-21-000056
For the year ended December 31, 2017, four significant purchasers accounted for 60% of the Company’s total oil, natural gas and NGL revenues: Occidental Energy Marketing, Inc. (23%), Plains Marketing, L.P. (14%), Shell Trading (US) Company (12%) and Western Refining Crude Oil (11%).
10-K filed 2020-03-02 Period FY 2017-01-01 to 2017-12-31 (23%)Accession 0001520006-20-000037
National Energy Services, Inc.
National Energy Services, Inc.
 14%$2.5M FY 2014-12-31
FY ending 2014-12-31: 14%
Active 10-K/A 2015-09-18
Anadarko Petroleum 14 %
10-K/A filed 2015-09-18 Period FY 2014-01-01 to 2014-12-31 (14%)Accession 0001615774-15-002617
PUMP
ProPetro Holding Corp.
 13.7%$173.9M FY 2025-12-31
FY ending 2025-12-31: 13.7%
Active 10-K 2026-02-19
ExxonMobil, Occidental Petroleum Corporation, EOG Resources, Inc. and Permian Resources Corporation accounted for 24.9%, 13.7%, 12.1%, and 11.2%, respectively, of our revenue for the year ended December 31, 2025.
10-K filed 2026-02-19 Period FY 2025-01-01 to 2025-12-31 (13.7%)Accession 0001680247-26-000028
FANG
Diamondback Energy, Inc.
 11%$234.3M FY 2018-12-31
FY ending 2018-12-31: 11%
Lapsed
Last seen 2018-12-31
 10-K 2021-02-25
Koch Supply & Trading LP (15%); and Occidental Energy Marketing Inc. (11%).
10-K filed 2021-02-25 Period FY 2018-01-01 to 2018-12-31 (11%)Accession 0001539838-21-000015
PIONEER NATURAL RESOURCES CO
PIONEER NATURAL RESOURCES CO
 11%$2.1B FY 2023-12-31
FY ending 2015-12-31: 18%FY ending 2016-12-31: 16%FY ending 2017-12-31: 16%FY ending 2018-12-31: 17%FY ending 2019-12-31: 20%FY ending 2020-12-31: 18%FY ending 2021-12-31: 10%FY ending 2022-12-31: 12%FY ending 2023-12-31: 11%−1.0pp
Active 10-K 2024-02-22
Occidental Energy Marketing Inc. 11 % 12 % 10 %
10-K filed 2024-02-22 Period FY 2023-01-01 to 2023-12-31 (11%), FY 2022-01-01 to 2022-12-31 (12%), FY 2021-01-01 to 2021-12-31 (10%)Accession 0001038357-24-000020
Occidental Energy Marketing Inc. 12 % 10 % 18 %
10-K filed 2023-02-23 Period FY 2020-01-01 to 2020-12-31 (18%)Accession 0001038357-23-000039
Occidental Energy Marketing Inc. 10 % 18 % 20 %
10-K filed 2022-02-22 Period FY 2019-01-01 to 2019-12-31 (20%)Accession 0001038357-22-000039
Occidental Energy Marketing Inc. 17 % 16 % 16 %
10-K filed 2019-02-26 Period FY 2018-01-01 to 2018-12-31 (17%), FY 2017-01-01 to 2017-12-31 (16%), FY 2016-01-01 to 2016-12-31 (16%)Accession 0001038357-19-000010
Occidental Energy Marketing Inc. 16 % 16 % 18 %
10-K filed 2018-02-20 Period FY 2015-01-01 to 2015-12-31 (18%)Accession 0001038357-18-000015
RNGR
Ranger Energy Services, Inc.
 11%$19.5M 3M 2022-09-30
3M ending 2022-03-31: 11%3M ending 2022-06-30: 11%3M ending 2022-09-30: 11%±0.0pp
Lapsed
Last seen 2022-09-30
 10-Q 2022-10-31
During the three and nine months ended September 30, 2022, Occidental Petroleum Corporation (“Oxy”) accounted for 11% and 10% of the Company’s consolidated revenues, respectively.
10-Q filed 2022-10-31 Period 3M 2022-07-01 to 2022-09-30 (11%)Accession 0001699039-22-000147
During the three months ended June 30, 2022, two customers, Occidental Petroleum Corporation (“Oxy”) and ConocoPhillips (“Conoco”), accounted for 11% and 10%, respectively, of the Company’s consolidated revenues.
10-Q filed 2022-08-03 Period 3M 2022-04-01 to 2022-06-30 (11%)Accession 0001699039-22-000113
For the three months ended March 31, 2022, two customers, Occidental Petroleum Corporation and Chevron, accounted for 11% and 10%, respectively, of the Company’s consolidated revenues.
10-Q filed 2022-04-29 Period 3M 2022-01-01 to 2022-03-31 (11%)Accession 0001699039-22-000082
Grizzly Energy, LLC
Grizzly Energy, LLC
 2%$6.9M FY 2016-12-31
FY ending 2013-12-31: 1%FY ending 2014-12-31: 19%FY ending 2015-12-31: 2%FY ending 2016-12-31: 2%±0.0pp
Lapsed
Last seen 2016-12-31
 10-K 2017-03-15
Anadarko Petroleum Corporation 2% 2% 19%
10-K filed 2017-03-15 Period FY 2016-01-01 to 2016-12-31 (2%), FY 2015-01-01 to 2015-12-31 (2%), FY 2014-01-01 to 2014-12-31 (19%)Accession 0001384072-17-000044
Anadarko Petroleum Corporation 2% 19% 1%
10-K filed 2016-03-08 Period FY 2013-01-01 to 2013-12-31 (1%)Accession 0001384072-16-000138
HP
Helmerich & Payne, Inc.
 Named— FY 2018-09-30 —Lapsed
Last seen 2018-09-30
 10-K 2018-11-16
Occidental Oil and Gas Corporation 4.7 %
10-K filed 2018-11-16 Period FY 2017-10-01 to 2018-09-30Accession 0001558370-18-009412
LB
LandBridge Corp
 Named— FY 2025-12-31 —Active 10-K 2026-02-26
our five largest customers, which consisted of WaterBridge, VTX Energy, ConocoPhillips, EOG Resources and Occidental Petroleum comprised 59% of total revenue; and
10-K filed 2026-02-26 Period FY 2025-01-01 to 2025-12-31Accession 0001193125-26-072404
LBRT
Liberty Energy Inc.
 Named— FY 2025-12-31
FY ending 2024-12-31: 10%
Active 10-K 2026-02-02
For the year ended December 31, 2025, Occidental Petroleum Corporation and XTO Energy Inc. accounted for more than 10% of consolidated revenues.
10-K filed 2026-02-02 Period FY 2025-01-01 to 2025-12-31Accession 0001694028-26-000006
For the year ended December 31, 2024, Occidental Petroleum Corporation accounted for more than 10% of consolidated revenues.
10-K filed 2026-02-02 Period FY 2024-01-01 to 2024-12-31 (10%)Accession 0001694028-26-000006
NGS
NATURAL GAS SERVICES GROUP INC
 Named— FY 2025-12-31 —Active 10-K 2026-03-16
During the years ended December 31, 2025, 2024 and 2023 our revenues from Occidental Permian, LTD.
10-K filed 2026-03-16 Period FY 2025-01-01 to 2025-12-31Accession 0001084991-26-000015

Federal contracts 2

Agencies that awarded contracts to this company, from USAspending.gov. Dollars are obligated amounts as reported, not estimates; $20.6M in the latest fiscal year shown per agency.

AgencyObligatedFiscal year AwardsTrendLargest award
Department of Health and Human Services
Office of Assistant Secretary for Preparedness and Response
 $19.3MFY 2026 4 75A50326C00008
BULK PHARMACEUTICAL REPLENISHMENT
Award 75A50326C00008 on USAspending.gov ↗ Largest of 4 awards in FY2026: $18.6M obligated
Department of Veterans Affairs
Department of Veterans Affairs
 $1.4MFY 2024 23$1.9M → $1.4M 36C10G24N0099
MEDICAL SYRINGE KIT SUPPLIES
Award 36C10G24N0099 on USAspending.gov ↗ Largest of 23 awards in FY2024: $197.5K obligated

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