Top 100 Contractors in NAICS 324110: Petroleum Refineries, Jul 2025–Jun 2026

Name: Top 100 Contractors in NAICS 324110: Petroleum Refineries, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 50% of NAICS 324110 contract dollars from July 2025 through June 2026

Contract obligations: $10,322,718,789 Net of deobligations, by contracts coded NAICS 324110
Contractors: 503 Parent companies with an obligation
Largest contractor: Motor Oil (Hellas) Corinth Refineries S.A. $949 million, 8.0% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Motor Oil (Hellas) Corinth Refineries S.A. Top agencies DLA (Defense Logistics Agency)	$948,756,283	8.0%	Rank history: #10 in FY2021, #5 in FY2022, #12 in FY2023, #5 in FY2024 and #4 in FY2025; up 3 since Jul 2024–Jun 2025.
2	BP P.L.C. 4 awardees, including BP Products North America Inc., BP Oil International Limited and Air BP Limited Top agencies DLA (Defense Logistics Agency)	$828,616,869	7.0%	Rank history: #1 in FY2021, #2 in FY2022, #2 in FY2023, #2 in FY2024 and not on the FY2025 list; up 144 since Jul 2024–Jun 2025.
3	Valero Energy Corporation Through Valero Marketing and Supply Co Top agencies DLA (Defense Logistics Agency)	$745,894,886	6.3%	Rank history: #2 in FY2021, #3 in FY2022, #3 in FY2023, #3 in FY2024 and #1 in FY2025; up 6 since Jul 2024–Jun 2025.
4	Marathon Petroleum Company LP Top agencies DLA (Defense Logistics Agency)	$723,536,076	6.1%	Rank history: not on the FY2021–FY2022 lists, #13 in FY2023, #9 in FY2024 and #5 in FY2025; up 1 since Jul 2024–Jun 2025.
5	Phillips 66 Company Top agencies DLA (Defense Logistics Agency)	$693,419,343	5.8%	Rank history: #5 in FY2021, #8 in FY2022, #7 in FY2023, #6 in FY2024 and #2 in FY2025; up 2 since Jul 2024–Jun 2025.
6	S-Oil Corporation Top agencies DLA (Defense Logistics Agency)	$571,750,574	4.8%	Rank history: #13 in FY2021, not on the FY2022–FY2023 lists, #12 in FY2024 and #3 in FY2025; down 4 since Jul 2024–Jun 2025.
7	Chevron Corporation Through Chevron USA Inc. Top agencies DLA (Defense Logistics Agency)	$400,801,069	3.4%	Rank history: #24 in FY2021, #23 in FY2022, #16 in FY2023, #20 in FY2024 and #8 in FY2025; up 6 since Jul 2024–Jun 2025.
8	Ross & Associates of River Falls WI Ltd Through Vetjet Fuels LLC Top agencies DLA (Defense Logistics Agency)	$388,282,955	3.3%	Rank history: not on the FY2021–FY2023 lists, #28 in FY2024 and #10 in FY2025; up 11 since Jul 2024–Jun 2025.
9	SK Energy Co., Ltd. Top agencies DLA (Defense Logistics Agency)	$343,699,724	2.9%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; up 12 since Jul 2024–Jun 2025.
10	Compania Espanola DE Petroleos SAU Through Moeve S.A. Top agencies DLA (Defense Logistics Agency)	$304,314,220	2.6%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #16 in FY2025; up 12 since Jul 2024–Jun 2025.
11	South National for Logistics Top agencies DLA (Defense Logistics Agency)	$303,709,842	2.6%	Rank history: not on the FY2021 list, #64 in FY2022, #41 in FY2023, #24 in FY2024 and #20 in FY2025; up 14 since Jul 2024–Jun 2025.
12	PAR Pacific Holdings Inc. 3 awardees, including Par Hawaii Refining LLC, US Oil & Refining Co and Hermes Consolidated LLC Top agencies DLA (Defense Logistics Agency)	$300,918,338	2.5%	Rank history: #8 in FY2021, #11 in FY2022, #9 in FY2023, #8 in FY2024 and #7 in FY2025; down 4 since Jul 2024–Jun 2025.
13	United Capital Investments Group, Inc. Top agencies DLA (Defense Logistics Agency)	$272,534,188	2.3%	Rank history: #12 in FY2021, #14 in FY2022, #15 in FY2023, #15 in FY2024 and #12 in FY2025; up 3 since Jul 2024–Jun 2025.
14	Petromax Refining Company LLC Top agencies DLA (Defense Logistics Agency)	$218,006,096	1.8%	Rank history: #3 in FY2021, #7 in FY2022, #5 in FY2023, #4 in FY2024 and #6 in FY2025; down 8 since Jul 2024–Jun 2025.
15	GS Caltex Corporation Top agencies DLA (Defense Logistics Agency)	$215,062,289	1.8%	Rank history: #52 in FY2021, #33 in FY2022, not on the FY2023 list, #16 in FY2024 and #17 in FY2025; unchanged since Jul 2024–Jun 2025.
16	Placid Refining Company LLC Top agencies DLA (Defense Logistics Agency)	$195,426,270	1.6%	Rank history: #17 in FY2021, #12 in FY2022, #10 in FY2023, #13 in FY2024 and #13 in FY2025; up 1 since Jul 2024–Jun 2025.
17	Avfuel Corp Top agencies DLA (Defense Logistics Agency)	$185,418,219	1.6%	Rank history: not on the FY2021–FY2023 lists, #58 in FY2024 and #21 in FY2025; up 10 since Jul 2024–Jun 2025.
18	Arctic Slope Regional Corporation Through Petro Star Inc. Top agencies DLA (Defense Logistics Agency)	$178,641,959	1.5%	Rank history: #14 in FY2021, #13 in FY2022, #11 in FY2023, #10 in FY2024 and #9 in FY2025; down 6 since Jul 2024–Jun 2025.
19	Lazarus Energy Holdings LLC Top agencies DLA (Defense Logistics Agency)	$148,100,454	1.2%	Rank history: #18 in FY2021, #21 in FY2022, #20 in FY2023, #21 in FY2024 and #19 in FY2025; up 5 since Jul 2024–Jun 2025.
20	World Fuel Services Corp 5 awardees, including World Fuel Services (Singapore) PTE Ltd, World Fuel Services Europe, Ltd. and World Fuel Commodities Services (Ireland) Limited Top agencies DLA (Defense Logistics Agency)	$125,273,868	1.1%	Rank history: #25 in FY2021, #24 in FY2022, #33 in FY2023, #19 in FY2024 and #18 in FY2025; up 3 since Jul 2024–Jun 2025.
21	Hollyfrontier Corporation Through HF Sinclair Refining & Marketing LLC Top agencies DLA (Defense Logistics Agency)	$104,609,880	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
22	Qatex Limited Top agencies DLA (Defense Logistics Agency)	$100,727,929	0.8%	Rank history: not on the FY2021–FY2023 lists, #23 in FY2024 and #11 in FY2025; down 4 since Jul 2024–Jun 2025.
23	Glenn Oil Company LLC Top agencies DLA (Defense Logistics Agency)	$99,562,714	0.8%	Rank history: #91 in FY2021, #92 in FY2022, not on the FY2023 list, #92 in FY2024 and not on the FY2025 list; up 103 since Jul 2024–Jun 2025.
24	Kuwait Petroleum Corporation Top agencies DLA (Defense Logistics Agency)	$97,034,237	0.8%	Rank history: #15 in FY2021, #20 in FY2022, #29 in FY2023, #22 in FY2024 and #29 in FY2025; up 6 since Jul 2024–Jun 2025.
25	Alon USA LP Top agencies DLA (Defense Logistics Agency)	$90,070,760	0.8%	Rank history: not on the FY2021–FY2023 lists, #30 in FY2024 and #24 in FY2025; up 3 since Jul 2024–Jun 2025.
26	Husky Marketing and Supply Company Top agencies DLA (Defense Logistics Agency)	$76,541,920	0.6%	Rank history: #68 in FY2021, not on the FY2022–FY2023 lists, #32 in FY2024 and #25 in FY2025; unchanged since Jul 2024–Jun 2025.
27	Dyno Oil & Electric LLC Top agencies DLA (Defense Logistics Agency)	$75,796,530	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
28	BRZ Investment & Consulting LLC Top agencies DLA (Defense Logistics Agency) DOS (Department of State)	$75,770,956	0.6%	Rank history: not on the FY2021 list, #61 in FY2022, #50 in FY2023, #31 in FY2024 and #26 in FY2025; up 3 since Jul 2024–Jun 2025.
29	Clipper Oil, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$58,044,228	0.5%	Rank history: #39 in FY2021, #45 in FY2022, #45 in FY2023, #34 in FY2024 and #30 in FY2025; up 4 since Jul 2024–Jun 2025.
30	Calumet Shreveport Fuels LLC 2 awardees, including Calumet Montana Refining, LLC Top agencies DLA (Defense Logistics Agency)	$57,912,310	0.5%	Rank history: not on the FY2021–FY2023 lists, #38 in FY2024 and #31 in FY2025; up 2 since Jul 2024–Jun 2025.
31	Associated Energy Group LLC Top agencies DLA (Defense Logistics Agency)	$49,511,740	0.4%	Rank history: #73 in FY2021, not on the FY2022 list, #59 in FY2023, #55 in FY2024 and #35 in FY2025; up 7 since Jul 2024–Jun 2025.
32	AML Global Limited 2 awardees Top agencies DLA (Defense Logistics Agency)	$48,467,830	0.4%	Rank history: #47 in FY2021, #51 in FY2022, #48 in FY2023, #50 in FY2024 and #47 in FY2025; up 16 since Jul 2024–Jun 2025.
33	Signature Flight Support LLC 3 awardees Top agencies DLA (Defense Logistics Agency)	$45,467,357	0.4%	Rank history: not on the FY2021–FY2023 lists, #82 in FY2024 and #33 in FY2025; up 4 since Jul 2024–Jun 2025.
34	Government of ABU Dhabi Through ABU Dhabi National Oil Company for Distribution Pjsc Top agencies DLA (Defense Logistics Agency)	$42,167,321	0.4%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023, #78 in FY2024 and not on the FY2025 list; up 88 since Jul 2024–Jun 2025.
35	Port City Air Top agencies DLA (Defense Logistics Agency)	$36,076,203	0.3%	Rank history: not on the FY2021 list, #43 in FY2022, #52 in FY2023, #43 in FY2024 and not on the FY2025 list; up 47 since Jul 2024–Jun 2025.
36	Stonewin International, LLC Top agencies DLA (Defense Logistics Agency)	$35,703,176	0.3%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; up 14 since Jul 2024–Jun 2025.
37	Pinnacle Petroleum, Inc. Top agencies DLA (Defense Logistics Agency)	$35,353,640	0.3%	Rank history: #42 in FY2021, #49 in FY2022, #54 in FY2023, #53 in FY2024 and #43 in FY2025; up 10 since Jul 2024–Jun 2025.
38	Carbon Asset Developer Associates LLC Top agencies DLA (Defense Logistics Agency)	$32,056,519	0.3%	Rank history: not on the FY2021–FY2023 lists, #33 in FY2024 and #27 in FY2025; down 9 since Jul 2024–Jun 2025.
39	Eastern Aviation Fuels, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$31,638,916	0.3%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023, #71 in FY2024 and #59 in FY2025; up 25 since Jul 2024–Jun 2025.
40	Stonewin Capital LP Top agencies DLA (Defense Logistics Agency)	$31,352,738	0.3%	Rank history: #29 in FY2021, #34 in FY2022, #38 in FY2023, #44 in FY2024 and #36 in FY2025; down 4 since Jul 2024–Jun 2025.
41	Jacksonville Jetport LLC Top agencies DLA (Defense Logistics Agency)	$31,083,078	0.3%	Rank history: #40 in FY2021, #53 in FY2022, #55 in FY2023, #65 in FY2024 and #52 in FY2025; up 15 since Jul 2024–Jun 2025.
42	Repeat Consultants International LLC Top agencies DLA (Defense Logistics Agency)	$28,929,420	0.2%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023, #29 in FY2024 and #32 in FY2025; down 7 since Jul 2024–Jun 2025.
43	Petroleum Traders Corp Top agencies DLA (Defense Logistics Agency)	$28,639,291	0.2%	Rank history: #32 in FY2021, #32 in FY2022, #40 in FY2023, #40 in FY2024 and #37 in FY2025; down 4 since Jul 2024–Jun 2025.
44	Cosmo Oil Marketing Co., Ltd. Top agencies DLA (Defense Logistics Agency)	$27,244,593	0.2%	Rank history: #19 in FY2021, #46 in FY2022, #43 in FY2023, #46 in FY2024 and #42 in FY2025; unchanged since Jul 2024–Jun 2025.
45	Okinawa Idemitsu K.K. Top agencies DLA (Defense Logistics Agency)	$26,842,635	0.2%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023, #1 in FY2024 and #14 in FY2025; down 42 since Jul 2024–Jun 2025.
46	Lubwell Corporation Top agencies DLA (Defense Logistics Agency)	$26,792,435	0.2%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; up 20 since Jul 2024–Jun 2025.
47	Glasgow Prestwick Airport Limited Top agencies DLA (Defense Logistics Agency)	$25,971,873	0.2%	Rank history: not on the FY2021–FY2024 lists and #46 in FY2025; up 13 since Jul 2024–Jun 2025.
48	Masar Al-Tamkeen for Oil and Diesel Services Ltd. Co. Top agencies DLA (Defense Logistics Agency)	$23,714,933	0.2%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; up 5 since Jul 2024–Jun 2025.
49	Delta Western, LLC Top agencies DLA (Defense Logistics Agency)	$23,284,141	0.2%	Rank history: not on the FY2021–FY2023 lists, #72 in FY2024 and #51 in FY2025; up 18 since Jul 2024–Jun 2025.
50	Qatar Fuel (Woqod) Top agencies DLA (Defense Logistics Agency)	$22,513,808	0.2%	Rank history: #48 in FY2021, #59 in FY2022, #83 in FY2023, #56 in FY2024 and #54 in FY2025; up 1 since Jul 2024–Jun 2025.
51	Mercuria Asia Group Holdings (PTE.) Ltd. Through Minerva Bunkering Pte. Ltd. Top agencies DLA (Defense Logistics Agency)	$21,068,761	0.2%	Rank history: not on the FY2021–FY2023 lists, #100 in FY2024 and #62 in FY2025; up 6 since Jul 2024–Jun 2025.
52	Freeman Holdings of Riverside, L.L.C. Top agencies DLA (Defense Logistics Agency)	$20,426,511	0.2%	Rank history: #45 in FY2021, #60 in FY2022, #58 in FY2023, #52 in FY2024 and #53 in FY2025; up 6 since Jul 2024–Jun 2025.
53	KVG LLC Top agencies DLA (Defense Logistics Agency)	$18,980,122	0.2%	Rank history: not on the FY2021–FY2025 lists; up 344 since Jul 2024–Jun 2025.
54	Merrimac Petroleum, Inc. Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior) Navy (Department of the Navy)	$17,742,485	0.1%	Rank history: #88 in FY2021, not on the FY2022 list, #92 in FY2023, not on the FY2024 list and #64 in FY2025; up 24 since Jul 2024–Jun 2025.
55	Hanwha Totalenergies Petrochemical Co., Ltd. Top agencies DLA (Defense Logistics Agency)	$17,708,761	0.1%	Rank history: not on the FY2021 list, #36 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
56	Solaris Energy Dmcc Top agencies DLA (Defense Logistics Agency)	$17,640,821	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023, #51 in FY2024 and #55 in FY2025; down 2 since Jul 2024–Jun 2025.
57	Tayrona Investments LLC Top agencies DLA (Defense Logistics Agency)	$17,636,976	0.1%	Rank history: not on the FY2021–FY2024 lists and #78 in FY2025; up 34 since Jul 2024–Jun 2025.
58	Epic Aviation, LLC Top agencies DLA (Defense Logistics Agency)	$16,182,900	0.1%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #40 in FY2025; down 17 since Jul 2024–Jun 2025.
59	Ryuseki Corporation Top agencies DLA (Defense Logistics Agency)	$15,526,711	0.1%	Rank history: #55 in FY2021, #52 in FY2022, #57 in FY2023, #63 in FY2024 and #50 in FY2025; down 7 since Jul 2024–Jun 2025.
60	Freeman Holdings of Hawaii, LLC Top agencies DLA (Defense Logistics Agency)	$15,360,407	0.1%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023, #64 in FY2024 and #58 in FY2025; up 2 since Jul 2024–Jun 2025.
61	Mcclellan Jet Services, LLC Top agencies DLA (Defense Logistics Agency)	$13,276,335	0.1%	Rank history: #43 in FY2021, #73 in FY2022, #90 in FY2023, #70 in FY2024 and #44 in FY2025; down 15 since Jul 2024–Jun 2025.
62	Mansfield Energy Corp. Through Mansfield Oil Company of Gainesville Inc. Top agencies DLA (Defense Logistics Agency)	$13,042,190	0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 33 since Jul 2024–Jun 2025.
63	Stonewin LLC Top agencies DLA (Defense Logistics Agency)	$12,826,512	0.1%	Rank history: not on the FY2021–FY2023 lists, #68 in FY2024 and #57 in FY2025; down 4 since Jul 2024–Jun 2025.
64	Freeman Holdings of Louisiana LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$12,364,706	0.1%	Rank history: not on the FY2021–FY2023 lists, #99 in FY2024 and #61 in FY2025; up 42 since Jul 2024–Jun 2025.
65	AAR Aircraft Services, Inc. Top agencies DLA (Defense Logistics Agency)	$10,360,425	0.1%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; up 34 since Jul 2024–Jun 2025.
66	Cordillera Corporation Through Colorado Jetcenter, Inc. Top agencies DLA (Defense Logistics Agency)	$9,965,597	0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 51 since Jul 2024–Jun 2025.
67	SAK Industries LLC Top agencies DLA (Defense Logistics Agency)	$9,842,616	0.1%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; up 13 since Jul 2024–Jun 2025.
68	GLA Global Company Top agencies DLA (Defense Logistics Agency)	$9,563,214	0.1%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; up 30 since Jul 2024–Jun 2025.
69	Imperial Flying Service Inc. Top agencies DLA (Defense Logistics Agency)	$9,488,704	0.1%	Rank history: #65 in FY2021, #82 in FY2022, #71 in FY2023, #86 in FY2024 and #68 in FY2025; up 3 since Jul 2024–Jun 2025.
70	Alliance Aviation Management Ltd Top agencies DLA (Defense Logistics Agency)	$9,469,248	0.1%	Rank history: #69 in FY2021, #85 in FY2022, #99 in FY2023, #89 in FY2024 and #76 in FY2025; up 7 since Jul 2024–Jun 2025.
71	Ryzhka International LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) VA (Department of Veterans Affairs)	$9,404,374	0.1%	Rank history: #95 in FY2021, not on the FY2022–FY2023 lists, #96 in FY2024 and #74 in FY2025; up 8 since Jul 2024–Jun 2025.
72	Shoreside Petroleum Inc. Top agencies DLA (Defense Logistics Agency)	$9,019,766	0.1%	Rank history: not on the FY2021–FY2024 lists and #88 in FY2025; up 31 since Jul 2024–Jun 2025.
73	Bapco Refining B.s.c. Closed Top agencies DLA (Defense Logistics Agency)	$8,544,805	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
74	Jenergy SPA Top agencies DLA (Defense Logistics Agency)	$8,172,360	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
75	Rossetti S.P.A. Top agencies DLA (Defense Logistics Agency)	$7,884,370	0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023, #88 in FY2024 and #80 in FY2025; up 11 since Jul 2024–Jun 2025.
76	Global Defense Logistics S.R.L. Top agencies DLA (Defense Logistics Agency)	$7,874,655	0.1%	Rank history: #75 in FY2021, #71 in FY2022, #84 in FY2023, #87 in FY2024 and #83 in FY2025; up 18 since Jul 2024–Jun 2025.
77	Air Wilmington, Inc. Top agencies DLA (Defense Logistics Agency)	$7,758,872	0.1%	Rank history: not on the FY2021–FY2025 lists; up 97 since Jul 2024–Jun 2025.
78	Campbell Oil Co Top agencies DLA (Defense Logistics Agency)	$7,712,245	0.1%	Rank history: #50 in FY2021, #54 in FY2022, #62 in FY2023, #73 in FY2024 and #67 in FY2025; down 7 since Jul 2024–Jun 2025.
79	Petro 49 Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$7,502,823	0.1%	Rank history: #83 in FY2021, not on the FY2022 list, #69 in FY2023, not on the FY2024 list and #87 in FY2025; up 18 since Jul 2024–Jun 2025.
80	Colonial Energy Inc Through Colonial Oil Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$7,040,568	0.1%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; down 10 since Jul 2024–Jun 2025.
81	Ahntech Inc Top agencies DLA (Defense Logistics Agency)	$6,969,425	0.1%	Rank history: not on the FY2021–FY2024 lists and #69 in FY2025; down 7 since Jul 2024–Jun 2025.
82	Crowley Government Services, Inc. Top agencies DLA (Defense Logistics Agency)	$6,911,537	0.1%	Rank history: #37 in FY2021, not on the FY2022–FY2024 lists and #39 in FY2025; down 39 since Jul 2024–Jun 2025.
83	Freeman Holdings of Arizona, L.l.c Top agencies DLA (Defense Logistics Agency)	$6,787,501	0.1%	Rank history: #87 in FY2021, not on the FY2022 list, #95 in FY2023, #98 in FY2024 and #77 in FY2025; up 1 since Jul 2024–Jun 2025.
84	Meridian Airport Authority Top agencies DLA (Defense Logistics Agency)	$6,579,433	0.1%	Rank history: not on the FY2021–FY2025 lists; up 247 since Jul 2024–Jun 2025.
85	Compass Logistics Intl Inc. Top agencies DLA (Defense Logistics Agency)	$6,110,779	0.1%	Rank history: not on the FY2021–FY2025 lists; up 106 since Jul 2024–Jun 2025.
86	Crowley Fuels LLC Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior) USAF (Department of the Air Force)	$6,009,102	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
87	Merlin Petroleum Co Inc. Top agencies DLA (Defense Logistics Agency)	$5,982,307	0.1%	Rank history: not on the FY2021 list, #70 in FY2022, #78 in FY2023, #69 in FY2024 and #73 in FY2025; down 19 since Jul 2024–Jun 2025.
88	Sedra LLC Top agencies DLA (Defense Logistics Agency)	$5,917,536	<0.1%	Rank history: not on the FY2021–FY2023 lists, #59 in FY2024 and #34 in FY2025; down 54 since Jul 2024–Jun 2025.
89	Apex-Petroleum Corp Top agencies DLA (Defense Logistics Agency)	$5,886,347	<0.1%	Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; up 19 since Jul 2024–Jun 2025.
90	Toll Holdings Limited Through St-Airport Services PTE Ltd Top agencies DLA (Defense Logistics Agency)	$5,853,573	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 21 since Jul 2024–Jun 2025.
91	Petro Air, Corp Top agencies DLA (Defense Logistics Agency)	$5,675,770	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 81 since Jul 2024–Jun 2025.
92	Freeman Holdings of Mississippi, LLC Top agencies DLA (Defense Logistics Agency)	$5,662,915	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 21 since Jul 2024–Jun 2025.
93	Anchor Point Fuels & Services, LLC Top agencies USDA (Department of Agriculture)	$5,526,701	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 226 since Jul 2024–Jun 2025.
94	Aero FX, Inc. Top agencies DLA (Defense Logistics Agency)	$5,372,130	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 27 since Jul 2024–Jun 2025.
95	PTT Oil and Retail Business Public Company Limited Top agencies DLA (Defense Logistics Agency)	$5,310,742	<0.1%	Rank history: not on the FY2021–FY2023 lists, #94 in FY2024 and #85 in FY2025; down 12 since Jul 2024–Jun 2025.
96	UNO Honduras S.a. DE C.V. Top agencies DLA (Defense Logistics Agency)	$5,261,906	<0.1%	Rank history: #77 in FY2021, #84 in FY2022, not on the FY2023–FY2024 lists and #89 in FY2025; up 6 since Jul 2024–Jun 2025.
97	AML Global OU Top agencies DLA (Defense Logistics Agency)	$5,244,516	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	Freeman Holdings of Washington, L.l.c Top agencies DLA (Defense Logistics Agency)	$5,084,742	<0.1%	Rank history: #93 in FY2021 and not on the FY2022–FY2025 lists; up 16 since Jul 2024–Jun 2025.
99	Avports LLC Top agencies DLA (Defense Logistics Agency)	$5,022,055	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 26 since Jul 2024–Jun 2025.
100	County of Horry Top agencies DLA (Defense Logistics Agency)	$4,798,686	<0.1%	Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; down 24 since Jul 2024–Jun 2025.

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100 of 503 contractors listed here. See the rest on GovTribe.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $11.9 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 324110 contractors in Jul 2025–Jun 2026?

1. Motor Oil (Hellas) Corinth Refineries S.A. ($949M), 2. BP P.L.C. ($829M), 3. Valero Energy Corporation ($746M), 4. Marathon Petroleum Company LP ($724M), 5. Phillips 66 Company ($693M), 6. S-Oil Corporation ($572M), 7. Chevron Corporation ($401M), 8. Ross & Associates of River Falls WI Ltd ($388M), 9. SK Energy Co., Ltd. ($344M), 10. Compania Espanola DE Petroleos SAU ($304M).

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