Top 100 Contractors in NAICS 21311: Support Activities for Mining, FY2022

Name: Top 100 Contractors in NAICS 21311: Support Activities for Mining, FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 84% of FY2022 NAICS 21311 contract dollars

Contract obligations: $76,838,601 Net of deobligations, by contracts coded NAICS 21311 or a code under it
Contractors: 205 Parent companies with an obligation
Largest contractor: Tetra Tech-Maytag Aircraft Corporation Joint Venture $20.4 million, 24.7% 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	Tetra Tech-Maytag Aircraft Corporation Joint Venture Top agencies DLA (Defense Logistics Agency)	$20,358,683	24.7%	Rank history: #2 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
2	Pond Constructors Inc. Top agencies DLA (Defense Logistics Agency)	$14,483,018	17.6%	Rank history: #4 in FY2021, not on the FY2023 list, #9 in FY2024 and not on the FY2025 list; up 2 since FY2021.
3	Olgoonik Oilfield Services LLC Top agencies DOI (Department of the Interior)	$13,075,260	15.8%	Rank history: not on the FY2021 list, #7 in FY2023, #1 in FY2024 and #8 in FY2025; new.
4	Arctic Slope Regional Corporation Through Asrc Consulting & Environmental Services, LLC Top agencies DOI (Department of the Interior) DOE (Department of Energy)	$7,246,165	8.8%	Rank history: #1 in FY2021, not on the FY2023 list, #33 in FY2024 and #2 in FY2025; down 3 since FY2021.
5	Weston Solutions Holdings, Inc. Through Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$3,469,970	4.2%	Rank history: #3 in FY2021 and not on the FY2023–FY2025 lists; down 2 since FY2021.
6	Pines Quality Inc. Top agencies DLA (Defense Logistics Agency)	$3,201,708	3.9%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 118 since FY2021.
7	Aviation Devices and Electronic Components, L.L.C. Top agencies DLA (Defense Logistics Agency)	$2,867,600	3.5%	Rank history: #5 in FY2021, #5 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
8	Jordan Modern Oil & Fuel Services Ltd. Co. Top agencies DOS (Department of State)	$1,697,250	2.1%	Rank history: not on the FY2021 list, #3 in FY2023, #5 in FY2024 and #5 in FY2025; new.
9	A.m.s. Network, LLC Top agencies DLA (Defense Logistics Agency)	$1,551,066	1.9%	Rank history: #91 in FY2021 and not on the FY2023–FY2025 lists; up 82 since FY2021.
10	Snow Consulting and Services, Inc. Top agencies DOI (Department of the Interior)	$1,133,322	1.4%	Rank history: not on the FY2021 list, #25 in FY2023 and not on the FY2024–FY2025 lists; new.
11	Omang Technologies & Trading L.l.c Top agencies USAF (Department of the Air Force)	$1,048,600	1.3%	Rank history: not on the FY2021 list, #11 in FY2023, #62 in FY2024 and not on the FY2025 list; new.
12	Unimex Corporation Through Paragon Defense Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$829,900	1.0%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
13	Liquid Gold Well Service, Inc. Top agencies DOI (Department of the Interior)	$697,647	0.8%	Rank history: #45 in FY2021 and not on the FY2023–FY2025 lists; up 32 since FY2021.
14	Borlie Mechanical Contracting LLC Top agencies Army (Department of the Army)	$597,923	0.7%	Rank history: not on the FY2021 list, #40 in FY2023 and not on the FY2024–FY2025 lists; new.
15	Crowley Maritime Corporation Through Crowley Government Services, Inc. Top agencies Army (Department of the Army)	$500,000	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
16	Sebang Oil Corporation Top agencies Army (Department of the Army)	$369,257	0.4%	Rank history: not on the FY2021 list, #12 in FY2023, #17 in FY2024 and #16 in FY2025; new.
17	TGS-Nopec Geophysical Company Through A2D Technologies, Inc. Top agencies DOI (Department of the Interior)	$305,859	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
18	Hurst-Rosche, Inc. Top agencies Army (Department of the Army)	$303,573	0.4%	Rank history: not on the FY2021 list, #9 in FY2023, #18 in FY2024 and #22 in FY2025; new.
19	E2 Contracting, Inc. Top agencies DOI (Department of the Interior)	$251,503	0.3%	Rank history: #14 in FY2021, #55 in FY2023, #8 in FY2024 and #9 in FY2025; down 5 since FY2021.
20	Acty Co., Ltd. Top agencies Navy (Department of the Navy)	$232,437	0.3%	Rank history: #15 in FY2021, #16 in FY2023, #20 in FY2024 and #19 in FY2025; down 5 since FY2021.
21	FD Inc. Top agencies USAF (Department of the Air Force)	$217,982	0.3%	Rank history: #18 in FY2021, #19 in FY2023, #48 in FY2024 and not on the FY2025 list; down 3 since FY2021.
22	Woodrow Sapp Well Drilling, Inc. Top agencies USAF (Department of the Air Force)	$184,604	0.2%	Rank history: #30 in FY2021 and not on the FY2023–FY2025 lists; up 8 since FY2021.
23	Schrass GMBH Top agencies Army (Department of the Army)	$178,902	0.2%	Rank history: #25 in FY2021, #21 in FY2023, #25 in FY2024 and not on the FY2025 list; up 2 since FY2021.
24	A Plus Well Service Inc. Top agencies DOI (Department of the Interior)	$176,970	0.2%	Rank history: #7 in FY2021 and not on the FY2023–FY2025 lists; down 17 since FY2021.
25	General Dynamics Corporation 3 awardees, including General Dynamics Land Systems - Canada Corporation, Electric Boat Corporation and General Dynamics-Ots, Inc. Top agencies DLA (Defense Logistics Agency)	$176,362	0.2%	Rank history: #34 in FY2021, #43 in FY2023, #74 in FY2024 and #34 in FY2025; up 9 since FY2021.
26	Earth Support Services Inc. Top agencies HHS (Department of Health and Human Services)	$138,523	0.2%	Rank history: #42 in FY2021 and not on the FY2023–FY2025 lists; up 16 since FY2021.
27	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$111,366	0.1%	Rank history: #33 in FY2021, #33 in FY2023, #29 in FY2024 and not on the FY2025 list; up 6 since FY2021.
28	Rainy Lake Oil, Inc. Top agencies DOI (Department of the Interior)	$108,000	0.1%	Rank history: #32 in FY2021 and not on the FY2023–FY2025 lists; up 4 since FY2021.
29	Enviro-Tech Systems, L.L.C. Top agencies Army (Department of the Army)	$104,555	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
30	Spees LLC Top agencies VA (Department of Veterans Affairs)	$104,000	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
31	JS Drilling, Inc. Top agencies DOI (Department of the Interior)	$99,515	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
32	Mechatronics, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$96,538	0.1%	Rank history: #68 in FY2021, #28 in FY2023, #22 in FY2024 and #18 in FY2025; up 36 since FY2021.
33	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$87,699	0.1%	Rank history: not on the FY2021 list, #20 in FY2023, #31 in FY2024 and #7 in FY2025; new.
34	Atnip Well & Pump Service Top agencies DOI (Department of the Interior)	$50,100	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
35	Southwest Research Institute Top agencies DOE (Department of Energy)	$47,800	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
36	Guardian Fueling Technologies LLC Top agencies DOI (Department of the Interior)	$43,099	0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #53 in FY2024 and not on the FY2025 list; new.
37	Insular Oil Corporation Top agencies DOS (Department of State)	$43,060	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
38	Wanda Drilling & Water Development Inc. Top agencies USDA (Department of Agriculture)	$42,234	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
39	Phoenix Integrity Consultants LLC Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs)	$38,187	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 81 since FY2021.
40	Leonardo S.p.A. Through Engineered Coil Company Top agencies DLA (Defense Logistics Agency)	$34,236	<0.1%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #74 in FY2025; new.
41	Asterion, LLC Top agencies GAO (Government Accountability Office)	$33,750	<0.1%	Rank history: #53 in FY2021 and not on the FY2023–FY2025 lists; up 12 since FY2021.
42	Clarke Power Services, Inc. Top agencies DLA (Defense Logistics Agency)	$31,362	<0.1%	Rank history: not on the FY2021 list, #31 in FY2023, #41 in FY2024 and not on the FY2025 list; new.
43	Petroleum Recovery Services LLC Top agencies VA (Department of Veterans Affairs)	$31,246	<0.1%	Rank history: #49 in FY2021, #32 in FY2023, #35 in FY2024 and #33 in FY2025; up 6 since FY2021.
44	New Hampshire Boring, Inc. Top agencies DOI (Department of the Interior)	$28,810	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 73 since FY2021.
45	Alii Gas Inc. Top agencies DOI (Department of the Interior)	$28,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
46	Code Steel Industrial Inspections LLC Top agencies USAF (Department of the Air Force)	$26,810	<0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #60 in FY2024 and #49 in FY2025; new.
47	BBA Aviation PLC Through Ontic Engineering & Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$26,678	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
48	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$25,863	<0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #87 in FY2024 and not on the FY2025 list; up 64 since FY2021.
49	Gregg Drilling, LLC Top agencies DOI (Department of the Interior)	$25,427	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
50	Alaska Clean Seas Top agencies DOI (Department of the Interior)	$24,922	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
51	L.a. Perks Petroleum Specialists Top agencies VA (Department of Veterans Affairs)	$24,850	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
52	Continental Industries Field Services, LLC Top agencies DOI (Department of the Interior)	$23,079	<0.1%	Rank history: #10 in FY2021 and not on the FY2023–FY2025 lists; down 42 since FY2021.
53	R / A Hoerr, Inc. Top agencies DLA (Defense Logistics Agency)	$22,808	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	Vetcon Services LLC Top agencies VA (Department of Veterans Affairs)	$22,592	<0.1%	Rank history: #52 in FY2021, #59 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
55	Desmond Well Drilling, Inc. Top agencies DOI (Department of the Interior)	$22,500	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 75 since FY2021.
56	Slater Oil Company Top agencies HHS (Department of Health and Human Services)	$21,465	<0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #68 in FY2024 and not on the FY2025 list; new.
57	The Boeing Company 2 awardees, including Boeing Distribution Services X, Inc. and Boeing Distribution Services, Inc. Top agencies DLA (Defense Logistics Agency)	$20,102	<0.1%	Rank history: not on the FY2021 list, #71 in FY2023, not on the FY2024 list and #75 in FY2025; up 81 since FY2021.
58	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$18,336	<0.1%	Rank history: #70 in FY2021 and not on the FY2023–FY2025 lists; up 12 since FY2021.
59	Davis Gear & Machine Co Top agencies DLA (Defense Logistics Agency)	$18,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 57 since FY2021.
60	Jergens Inc. Top agencies DLA (Defense Logistics Agency)	$15,910	<0.1%	Rank history: not on the FY2021 list, #76 in FY2023 and not on the FY2024–FY2025 lists; up 148 since FY2021.
61	Cliffside Refiners L P Top agencies DOI (Department of the Interior)	$15,000	<0.1%	Rank history: #21 in FY2021 and not on the FY2023–FY2025 lists; down 40 since FY2021.
62	RIX Industries Top agencies DLA (Defense Logistics Agency)	$14,400	<0.1%	Rank history: #43 in FY2021, #74 in FY2023, #39 in FY2024 and #50 in FY2025; down 19 since FY2021.
63	Petroleum Equipment, Inc. Top agencies VA (Department of Veterans Affairs)	$14,380	<0.1%	Rank history: #94 in FY2021, #86 in FY2023, #70 in FY2024 and #30 in FY2025; up 31 since FY2021.
64	Fluid Solutions LLC Top agencies DOS (Department of State)	$14,138	<0.1%	Rank history: #37 in FY2021, #36 in FY2023, #79 in FY2024 and #39 in FY2025; down 27 since FY2021.
65	Delsco Northwest, Inc. Top agencies DOI (Department of the Interior)	$13,639	<0.1%	Rank history: #35 in FY2021 and not on the FY2023–FY2025 lists; down 30 since FY2021.
66	Ordnance Technology Service, Inc. Top agencies DLA (Defense Logistics Agency)	$13,570	<0.1%	Rank history: #38 in FY2021, #85 in FY2023, #57 in FY2024 and #13 in FY2025; down 28 since FY2021.
67	Ameri-Cut Solutions, Inc. Top agencies DLA (Defense Logistics Agency)	$12,995	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 87 since FY2021.
68	J.d.a. Maritime, Inc. Top agencies DLA (Defense Logistics Agency)	$12,897	<0.1%	Rank history: #77 in FY2021, #65 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2021.
69	Aviarms Support Corp Top agencies DLA (Defense Logistics Agency)	$12,790	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 84 since FY2021.
70	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$12,779	<0.1%	Rank history: #27 in FY2021, #53 in FY2023 and not on the FY2024–FY2025 lists; down 43 since FY2021.
71	Strata Safety Products LLC Top agencies HHS (Department of Health and Human Services)	$12,359	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
72	National Ordnance Automotive Manufacturing LLC Top agencies DLA (Defense Logistics Agency)	$12,248	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 98 since FY2021.
73	SRS Consulting Group, LLC Top agencies HHS (Department of Health and Human Services)	$12,000	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
74	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$10,526	<0.1%	Rank history: #62 in FY2021, #83 in FY2023, #43 in FY2024 and not on the FY2025 list; down 12 since FY2021.
75	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$10,314	<0.1%	Rank history: #74 in FY2021, not on the FY2023 list, #72 in FY2024 and not on the FY2025 list; down 1 since FY2021.
76	Parsons Drilling, Inc. Top agencies DOI (Department of the Interior)	$10,200	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
77	JF Acquisition, LLC Top agencies USSOCOM (United States Special Operations Command)	$10,063	<0.1%	Rank history: #98 in FY2021 and not on the FY2023–FY2025 lists; up 21 since FY2021.
78	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$9,946	<0.1%	Rank history: #83 in FY2021, #60 in FY2023, not on the FY2024 list and #36 in FY2025; up 5 since FY2021.
79	Mass Tank Inspection Services LLC Top agencies Army (Department of the Army)	$9,450	<0.1%	Rank history: #61 in FY2021, #78 in FY2023, not on the FY2024 list and #79 in FY2025; down 18 since FY2021.
80	Rps-Fl, Inc. Top agencies DLA (Defense Logistics Agency)	$9,321	<0.1%	Rank history: not on the FY2021 list, #42 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2021.
81	The Slabe Machine Products LLC Top agencies DLA (Defense Logistics Agency)	$9,313	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
82	Berkshire Hathaway Inc. Through Klune Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$8,960	<0.1%	Rank history: not on the FY2021 list, #50 in FY2023 and not on the FY2024–FY2025 lists; new.
83	Adept Fasteners Inc. Top agencies DLA (Defense Logistics Agency)	$8,936	<0.1%	Rank history: not on the FY2021 list, #95 in FY2023, #98 in FY2024 and not on the FY2025 list; new.
84	Basic Rubber and Plastics Co. Top agencies DLA (Defense Logistics Agency)	$8,858	<0.1%	Rank history: not on the FY2021 list, #91 in FY2023, not on the FY2024 list and #82 in FY2025; up 29 since FY2021.
85	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$8,717	<0.1%	Rank history: not on the FY2021 list, #46 in FY2023, #54 in FY2024 and #32 in FY2025; up 62 since FY2021.
86	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$8,622	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 127 since FY2021.
87	Moog Inc. Top agencies DLA (Defense Logistics Agency)	$7,985	<0.1%	Rank history: not on the FY2021 list, #51 in FY2023, #65 in FY2024 and not on the FY2025 list; new.
88	Galaxy Die and Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$7,736	<0.1%	Rank history: #58 in FY2021, #49 in FY2023 and not on the FY2024–FY2025 lists; down 30 since FY2021.
89	Johnson & Towers Inc. Top agencies DLA (Defense Logistics Agency)	$7,632	<0.1%	Rank history: #87 in FY2021, #99 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
90	Optimal Tank Solutions LLC Top agencies DOJ (Department of Justice)	$7,222	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 52 since FY2021.
91	Boone Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$7,221	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
92	Transdigm Group Incorporated Through Tactair Fluid Controls Inc. Top agencies DLA (Defense Logistics Agency)	$7,008	<0.1%	Rank history: #76 in FY2021 and not on the FY2023–FY2025 lists; down 16 since FY2021.
93	Leak Detection Service Inc. Top agencies USAF (Department of the Air Force)	$6,779	<0.1%	Rank history: not on the FY2021 list, #98 in FY2023, not on the FY2024 list and #99 in FY2025; new.
94	Wyodak Energy Services, LLC Top agencies DOI (Department of the Interior)	$6,671	<0.1%	Rank history: #20 in FY2021 and not on the FY2023–FY2025 lists; down 74 since FY2021.
95	Tradebe Treatment and Recycling LLC Through Aaron Oil Co, LLC Top agencies DHS (Department of Homeland Security)	$6,605	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	Greene Metal Products, Inc. Top agencies DLA (Defense Logistics Agency)	$6,555	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 29 since FY2021.
97	Acme Products & Engineering Inc. Top agencies DLA (Defense Logistics Agency)	$6,149	<0.1%	Rank history: not on the FY2021 list, #66 in FY2023 and not on the FY2024–FY2025 lists; new.
98	Oshkosh Corp Through Oshkosh Defense LLC Top agencies DLA (Defense Logistics Agency)	$6,126	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 51 since FY2021.
99	Murar Florence Top agencies DLA (Defense Logistics Agency)	$6,044	<0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 41 since FY2021.
100	Clean Fuels Associates Inc. Top agencies USDA (Department of Agriculture)	$5,385	<0.1%	Rank history: #93 in FY2021, #81 in FY2023 and not on the FY2024–FY2025 lists; down 7 since FY2021.

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100 of 205 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 21311

Code	Net obligations	Largest contractor
213112 Support Activities for Oil and Gas Operations	$65,380,617	Tetra Tech-Maytag Aircraft Corporation Joint Venture
213113 Support Activities for Coal Mining	$4,907,713	Aviation Devices and Electronic Components, L.L.C.

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 $82.5 million 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.
Fiscal year 2022 ran Oct 1, 2021 – Sep 30, 2022. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2021. "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. The step from FY2021 takes the color of the rank change beside it.
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 21311 contractors in FY2022?

1. Tetra Tech-Maytag Aircraft Corporation Joint Venture ($20.4M), 2. Pond Constructors Inc. ($14.5M), 3. Olgoonik Oilfield Services LLC ($13.1M), 4. Arctic Slope Regional Corporation ($7.25M), 5. Weston Solutions Holdings, Inc. ($3.47M), 6. Pines Quality Inc. ($3.2M), 7. Aviation Devices and Electronic Components, L.L.C. ($2.87M), 8. Jordan Modern Oil & Fuel Services Ltd. Co. ($1.7M), 9. A.m.s. Network, LLC ($1.55M), 10. Snow Consulting and Services, Inc. ($1.13M).

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