Top 100 Contractors in NAICS 213: Support Activities for Mining, FY2021

Name: Top 100 Contractors in NAICS 213: Support Activities for Mining, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 84% of FY2021 NAICS 213 contract dollars

Contract obligations: $130,359,291 Net of deobligations, by contracts coded NAICS 213 or a code under it
Contractors: 225 Parent companies with an obligation
Largest contractor: Arctic Slope Regional Corporation $51.6 million, 34.1% 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	Arctic Slope Regional Corporation 2 awardees, including Asrc Consulting & Environmental Services, LLC and Asrc Federal Facilities Logistics, LLC Top agencies DOE (Department of Energy) DOI (Department of the Interior) DLA (Defense Logistics Agency)	$51,627,926	34.1%	Rank history: #4 in FY2022, not on the FY2023 list, #33 in FY2024 and #2 in FY2025; new, not ranked in FY2020.
2	Tetra Tech-Maytag Aircraft Corporation Joint Venture Top agencies DLA (Defense Logistics Agency)	$38,742,582	25.6%	Rank history: #1 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
3	Weston Solutions Holdings, Inc. Through Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$25,127,970	16.6%	Rank history: #5 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
4	Pond Constructors Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$6,234,588	4.1%	Rank history: #2 in FY2022, not on the FY2023 list, #9 in FY2024 and not on the FY2025 list; down 1 since FY2020.
5	Aviation Devices and Electronic Components, L.L.C. Top agencies DLA (Defense Logistics Agency)	$1,781,430	1.2%	Rank history: #7 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
6	Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$1,165,249	0.8%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
7	A Plus Well Service Inc. Top agencies DOI (Department of the Interior)	$1,159,090	0.8%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
8	Enverus, Inc. Top agencies DOE (Department of Energy) DOI (Department of the Interior)	$776,251	0.5%	Rank history: not on the FY2022 list, #30 in FY2023, #56 in FY2024 and #29 in FY2025; up 5 since FY2020.
9	Welter Consulting, Inc. Top agencies DOI (Department of the Interior)	$599,745	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
10	Continental Industries Field Services, LLC Top agencies DOI (Department of the Interior)	$583,465	0.4%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; up 39 since FY2020.
11	Louis Berger U.S. Inc. Through VGS Infrastructure Services Inc. Top agencies DLA (Defense Logistics Agency)	$475,000	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
12	Palmerton & Parrish, Inc. Top agencies Army (Department of the Army)	$456,354	0.3%	Rank history: not on the FY2022–FY2025 lists; down 2 since FY2020.
13	TGS-Nopec Geophysical Company Through A2D Technologies, Inc. Top agencies DOI (Department of the Interior)	$439,973	0.3%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
14	E2 Contracting, Inc. Top agencies DOI (Department of the Interior)	$372,500	0.2%	Rank history: #19 in FY2022, #55 in FY2023, #8 in FY2024 and #9 in FY2025; new, not ranked in FY2020.
15	Acty Co., Ltd. Top agencies Navy (Department of the Navy)	$261,418	0.2%	Rank history: #20 in FY2022, #16 in FY2023, #20 in FY2024 and #19 in FY2025; new, not ranked in FY2020.
16	National Academy of Sciences Top agencies DOI (Department of the Interior)	$260,524	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
17	Target Drilling Inc. Top agencies HHS (Department of Health and Human Services)	$238,990	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
18	FD Inc. Top agencies USAF (Department of the Air Force)	$218,722	0.1%	Rank history: #21 in FY2022, #19 in FY2023, #48 in FY2024 and not on the FY2025 list; up 2 since FY2020.
19	D7, LLC Top agencies Army (Department of the Army)	$211,310	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
20	Wyodak Energy Services, LLC Top agencies DOI (Department of the Interior)	$187,322	0.1%	Rank history: #94 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
21	Cliffside Refiners L P Top agencies DOI (Department of the Interior)	$169,700	0.1%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
22	Environmental Science Corporation Top agencies USAF (Department of the Air Force)	$168,500	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Ryuseki Corporation Top agencies USAF (Department of the Air Force)	$133,345	0.1%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
24	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$132,919	0.1%	Rank history: not on the FY2022–FY2024 lists and #70 in FY2025; up 10 since FY2020.
25	Schrass GMBH Top agencies Army (Department of the Army)	$118,530	0.1%	Rank history: #23 in FY2022, #21 in FY2023, #25 in FY2024 and not on the FY2025 list; up 2 since FY2020.
26	C & C Metals Engineering Inc. Top agencies DLA (Defense Logistics Agency)	$104,569	0.1%	Rank history: not on the FY2022 list, #58 in FY2023, #49 in FY2024 and #12 in FY2025; new, not ranked in FY2020.
27	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$94,432	0.1%	Rank history: #70 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
28	Cadg International Pte. Ltd. Through Cadg Engineering Pte. Ltd. Top agencies USAF (Department of the Air Force)	$90,134	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
29	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$88,752	0.1%	Rank history: not on the FY2022–FY2023 lists, #46 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
30	Woodrow Sapp Well Drilling, Inc. Top agencies USAF (Department of the Air Force)	$86,820	0.1%	Rank history: #22 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
31	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$83,572	0.1%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
32	Rainy Lake Oil, Inc. Top agencies DOI (Department of the Interior)	$83,000	0.1%	Rank history: #28 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
33	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$76,249	0.1%	Rank history: #27 in FY2022, #33 in FY2023, #29 in FY2024 and not on the FY2025 list; up 45 since FY2020.
34	General Dynamics Corporation 3 awardees, including General Dynamics Land Systems - Canada Corporation, General Dynamics-Ots, Inc. and Electric Boat Corporation Top agencies DLA (Defense Logistics Agency)	$72,042	<0.1%	Rank history: #25 in FY2022, #43 in FY2023, #74 in FY2024 and #34 in FY2025; up 27 since FY2020.
35	Delsco Northwest, Inc. Top agencies DOI (Department of the Interior)	$69,192	<0.1%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
36	Coastal Drilling East LLC Top agencies HHS (Department of Health and Human Services)	$60,392	<0.1%	Rank history: not on the FY2022 list, #15 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
37	Fluid Solutions LLC Top agencies DOS (Department of State)	$56,413	<0.1%	Rank history: #64 in FY2022, #36 in FY2023, #79 in FY2024 and #39 in FY2025; new, not ranked in FY2020.
38	Ordnance Technology Service, Inc. Top agencies DLA (Defense Logistics Agency)	$55,766	<0.1%	Rank history: #66 in FY2022, #85 in FY2023, #57 in FY2024 and #13 in FY2025; new, not ranked in FY2020.
39	Horizon Well Logging, Inc. Top agencies DOI (Department of the Interior)	$52,200	<0.1%	Rank history: not on the FY2022 list, #57 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
40	WKF (Friedman) Enterprises, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$50,140	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$48,554	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
42	Earth Support Services Inc. Top agencies HHS (Department of Health and Human Services)	$46,550	<0.1%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
43	RIX Industries Top agencies DLA (Defense Logistics Agency)	$43,200	<0.1%	Rank history: #62 in FY2022, #74 in FY2023, #39 in FY2024 and #50 in FY2025; up 65 since FY2020.
44	Colonial Group Inc. Through Colonial Fuel and Lubricant Services, Inc. Top agencies DHS (Department of Homeland Security)	$42,024	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
45	Liquid Gold Well Service, Inc. Top agencies DOI (Department of the Interior)	$40,280	<0.1%	Rank history: #13 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
46	Professional Tank Cleaning, Inc. Top agencies DHS (Department of Homeland Security)	$39,512	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Triple Canopy Inc. Through Strategic Social LLC Top agencies DOS (Department of State)	$36,600	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Nor-Cal Pump & Well Drilling, Inc. Top agencies DOI (Department of the Interior)	$34,537	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Petroleum Recovery Services LLC Top agencies VA (Department of Veterans Affairs)	$31,246	<0.1%	Rank history: #43 in FY2022, #32 in FY2023, #35 in FY2024 and #33 in FY2025; new, not ranked in FY2020.
50	Resilient Drilling Services LLC Top agencies DOI (Department of the Interior)	$29,840	<0.1%	Rank history: not on the FY2022–FY2023 lists, #71 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
51	Zirchron LLC Top agencies DOI (Department of the Interior)	$29,730	<0.1%	Rank history: not on the FY2022–FY2024 lists and #76 in FY2025; up 37 since FY2020.
52	Vetcon Services LLC Top agencies VA (Department of Veterans Affairs)	$29,162	<0.1%	Rank history: #54 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
53	Asterion, LLC Top agencies GAO (Government Accountability Office)	$28,000	<0.1%	Rank history: #41 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
54	Olgoonik Oilfield Services, LLC Top agencies DOI (Department of the Interior)	$25,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 24 since FY2020.
55	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$24,083	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	Foster Fuels, Inc. Top agencies VA (Department of Veterans Affairs)	$23,664	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	Aero Precision Industries LLC Through Allclear Aerospace & Defense, Inc. Top agencies DLA (Defense Logistics Agency)	$23,324	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	Galaxy Die and Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$23,043	<0.1%	Rank history: #88 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; down 8 since FY2020.
59	Oil Price Information Service LLC Through IHS Global Inc. Top agencies DOI (Department of the Interior)	$22,961	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 22 since FY2020.
60	SPN Well Services Inc. Top agencies DOI (Department of the Interior)	$22,868	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 24 since FY2020.
61	Mass Tank Inspection Services LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$21,145	<0.1%	Rank history: #79 in FY2022, #78 in FY2023, not on the FY2024 list and #79 in FY2025; up 53 since FY2020.
62	Penn Detroit Diesel Allison LLC Through Penn Power Group LLC Top agencies DLA (Defense Logistics Agency)	$19,935	<0.1%	Rank history: #74 in FY2022, #83 in FY2023, #43 in FY2024 and not on the FY2025 list; up 51 since FY2020.
63	Ecodynamics Inc. Top agencies DOI (Department of the Interior)	$19,650	<0.1%	Rank history: not on the FY2022–FY2023 lists, #21 in FY2024 and not on the FY2025 list; down 42 since FY2020.
64	Sherwood Avionics and Accessories, Inc. Top agencies DLA (Defense Logistics Agency)	$19,588	<0.1%	Rank history: not on the FY2022–FY2023 lists, #97 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
65	All-Safe Inc. Top agencies DLA (Defense Logistics Agency)	$19,227	<0.1%	Rank history: not on the FY2022 list, #70 in FY2023, #36 in FY2024 and not on the FY2025 list; up 40 since FY2020.
66	Coordinated Defense Supply Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$19,002	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Oil Management Services, Corp. Top agencies VA (Department of Veterans Affairs)	$18,705	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
68	Mechatronics, Inc. Top agencies DLA (Defense Logistics Agency)	$18,451	<0.1%	Rank history: #32 in FY2022, #28 in FY2023, #22 in FY2024 and #18 in FY2025; down 39 since FY2020.
69	TTI Environmental Inc. Top agencies USDA (Department of Agriculture)	$18,159	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
70	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$15,885	<0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; up 105 since FY2020.
71	Crestwood Technology Group, LLC Top agencies DLA (Defense Logistics Agency)	$15,325	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Clean Harbors Inc Through Clean Harbors Environmental Services Inc. Top agencies DHS (Department of Homeland Security)	$15,134	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 32 since FY2020.
73	Wesco Aircraft Hardware Corp. Top agencies DLA (Defense Logistics Agency)	$14,639	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 90 since FY2020.
74	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$13,824	<0.1%	Rank history: #75 in FY2022, not on the FY2023 list, #72 in FY2024 and not on the FY2025 list; up 18 since FY2020.
75	Tidewater, Inc. Top agencies DOS (Department of State)	$12,975	<0.1%	Rank history: not on the FY2022–FY2023 lists, #66 in FY2024 and #57 in FY2025; new, not ranked in FY2020.
76	Transdigm Group Incorporated 2 awardees, including Tactair Fluid Controls Inc. and Duke's Aerospace, Inc. Top agencies DLA (Defense Logistics Agency)	$12,933	<0.1%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
77	J.d.a. Maritime, Inc. Top agencies DLA (Defense Logistics Agency)	$12,760	<0.1%	Rank history: #68 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
78	Interspec, LLC Top agencies Army (Department of the Army)	$12,629	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
79	Dresser-Argus, Inc. Top agencies DLA (Defense Logistics Agency)	$12,620	<0.1%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
80	11319710 Canada Inc. Top agencies DLA (Defense Logistics Agency)	$12,600	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	CGG Services (U.S.) Inc. Top agencies DOI (Department of the Interior)	$12,150	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 49 since FY2020.
82	Strata Mine Services, LLC Top agencies HHS (Department of Health and Human Services)	$11,292	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$11,162	<0.1%	Rank history: #78 in FY2022, #60 in FY2023, not on the FY2024 list and #36 in FY2025; down 17 since FY2020.
84	BAE Systems PLC Through BAE Systems Land & Armaments L.P. Top agencies DLA (Defense Logistics Agency)	$11,096	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	VSE Corporation Top agencies DLA (Defense Logistics Agency)	$10,788	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 66 since FY2020.
86	Hart Ventures Inc. Top agencies USDA (Department of Agriculture)	$10,000	<0.1%	Rank history: not on the FY2022 list, #90 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
87	Johnson & Towers Inc. Top agencies DLA (Defense Logistics Agency)	$9,997	<0.1%	Rank history: #89 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
88	F P A Manufacturing Top agencies DLA (Defense Logistics Agency)	$9,245	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$9,067	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Eilers Machine & Welding Inc. Top agencies DLA (Defense Logistics Agency)	$8,698	<0.1%	Rank history: not on the FY2022 list, #72 in FY2023 and not on the FY2024–FY2025 lists; down 16 since FY2020.
91	A.m.s. Network, LLC Top agencies DLA (Defense Logistics Agency)	$8,596	<0.1%	Rank history: #9 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
92	Blue Ash Tool & Die Co Inc. Top agencies DLA (Defense Logistics Agency)	$8,125	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	Clean Fuels Associates Inc. Top agencies VA (Department of Veterans Affairs)	$8,075	<0.1%	Rank history: #100 in FY2022, #81 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
94	Petroleum Equipment, Inc. Top agencies VA (Department of Veterans Affairs)	$7,800	<0.1%	Rank history: #63 in FY2022, #86 in FY2023, #70 in FY2024 and #30 in FY2025; new, not ranked in FY2020.
95	Alfab Inc. Top agencies DLA (Defense Logistics Agency)	$7,671	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 56 since FY2020.
96	Aw Developments Exports Ltd Top agencies DLA (Defense Logistics Agency)	$7,572	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Compass Water Solutions, Inc. Top agencies DHS (Department of Homeland Security)	$7,381	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	JF Acquisition, LLC Top agencies VA (Department of Veterans Affairs)	$7,196	<0.1%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
99	Mhd-Rockland Inc. Top agencies DLA (Defense Logistics Agency)	$7,188	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Lake Shore Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$7,033	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 225 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 213

Code	Net obligations	Largest contractor
2131 Support Activities for Mining	$130,359,291	Arctic Slope Regional Corporation

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 $152 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 213 contractors in FY2021?

1. Arctic Slope Regional Corporation ($51.6M), 2. Tetra Tech-Maytag Aircraft Corporation Joint Venture ($38.7M), 3. Weston Solutions Holdings, Inc. ($25.1M), 4. Pond Constructors Inc. ($6.23M), 5. Aviation Devices and Electronic Components, L.L.C. ($1.78M), 6. Weston Solutions Inc. ($1.17M), 7. A Plus Well Service Inc. ($1.16M), 8. Enverus, Inc. ($776K), 9. Welter Consulting, Inc. ($600K), 10. Continental Industries Field Services, LLC ($583K).

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