Top 100 Contractors in NAICS 23621: Industrial Building Construction, FY2022

Name: Top 100 Contractors in NAICS 23621: Industrial Building Construction, FY2022
Creator: GovTribe

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

The top 10 won 55% of FY2022 NAICS 23621 contract dollars

Contract obligations: $612,622,542 Net of deobligations, by contracts coded NAICS 23621 or a code under it
Contractors: 256 Parent companies with an obligation
Largest contractor: Healtheon, Inc. $72.4 million, 8.9% 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	Healtheon, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$72,383,493	8.9%	Rank history: #11 in FY2021, #7 in FY2023, #9 in FY2024 and #10 in FY2025; up 10 since FY2021.
2	Seqirus USA Inc. Through Seqirus Inc. Top agencies HHS (Department of Health and Human Services)	$69,689,087	8.6%	Rank history: #2 in FY2021, #4 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2021.
3	Walsh Federal LLC Top agencies Navy (Department of the Navy)	$67,819,221	8.4%	Rank history: #47 in FY2021, #3 in FY2023, #5 in FY2024 and #8 in FY2025; up 44 since FY2021.
4	Reliable Builders Inc. Top agencies Navy (Department of the Navy)	$43,444,040	5.3%	Rank history: not on the FY2021 list, not on the FY2023 list, #93 in FY2024 and not on the FY2025 list; new.
5	Veterans Range Solutions, LLC Top agencies DOJ (Department of Justice)	$40,323,288	5.0%	Rank history: #10 in FY2021, #8 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2021.
6	Bechtel Corp Through Bechtel National, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$34,955,535	4.3%	Rank history: #4 in FY2021, #1 in FY2023, #2 in FY2024 and #1 in FY2025; down 2 since FY2021.
7	Parsons Corporation Through Parsons Government Services Inc. Top agencies DOE (Department of Energy)	$31,667,823	3.9%	Rank history: #1 in FY2021, #2 in FY2023, #11 in FY2024 and #2 in FY2025; down 6 since FY2021.
8	Watterson Construction Co Top agencies Army (Department of the Army)	$31,208,141	3.8%	Rank history: not on the FY2021 list, #45 in FY2023 and not on the FY2024–FY2025 lists; new.
9	Veterans Holding Group LLC Through Relyant Global LLC Top agencies Navy (Department of the Navy)	$28,999,210	3.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
10	Caddell-Nan A Joint Venture Top agencies Navy (Department of the Navy)	$27,761,320	3.4%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #100 in FY2025; new.
11	Warhorse Training Solutions, LLC Top agencies DOJ (Department of Justice)	$23,910,325	2.9%	Rank history: #7 in FY2021 and not on the FY2023–FY2025 lists; down 4 since FY2021.
12	Advon Corporation 2 awardees Top agencies NASA (National Aeronautics and Space Administration)	$23,414,206	2.9%	Rank history: #20 in FY2021, #20 in FY2023, #18 in FY2024 and #13 in FY2025; up 8 since FY2021.
13	Drace Construction Corp Top agencies NASA (National Aeronautics and Space Administration)	$19,554,000	2.4%	Rank history: not on the FY2021 list, not on the FY2023 list, #15 in FY2024 and #38 in FY2025; up 206 since FY2021.
14	Hensel Phelps Construction Co 2 awardees Top agencies Army (Department of the Army) Treasury (Department of the Treasury)	$18,867,372	2.3%	Rank history: #3 in FY2021, #91 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2021.
15	Granite-Obayashi A Joint Venture Top agencies Navy (Department of the Navy)	$13,112,890	1.6%	Rank history: #5 in FY2021, #37 in FY2023, #71 in FY2024 and #67 in FY2025; down 10 since FY2021.
16	Bering Straits Native Corporation 2 awardees, including Stampede Ventures, Inc. and Eagle Eye Electric LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$10,813,075	1.3%	Rank history: #38 in FY2021, #76 in FY2023, #54 in FY2024 and #93 in FY2025; up 22 since FY2021.
17	Diversified Construction of Oklahoma, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$9,415,079	1.2%	Rank history: #23 in FY2021, #56 in FY2023, #7 in FY2024 and #17 in FY2025; up 6 since FY2021.
18	Brickl Bros., Inc. Top agencies DOI (Department of the Interior)	$9,152,123	1.1%	Rank history: not on the FY2021 list, #38 in FY2023 and not on the FY2024–FY2025 lists; new.
19	Sedona- Nasco Joint Venture Top agencies Army (Department of the Army)	$8,006,723	1.0%	Rank history: not on the FY2021 list, #12 in FY2023, #8 in FY2024 and #14 in FY2025; new.
20	Tepa Construction Solutions, LLC Top agencies USAF (Department of the Air Force)	$7,295,943	0.9%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
21	Warfeather, LLC Top agencies USAF (Department of the Air Force)	$6,431,031	0.8%	Rank history: not on the FY2021 list, not on the FY2023 list, #92 in FY2024 and not on the FY2025 list; new.
22	Skcm / PBC JV LLC Top agencies Army (Department of the Army)	$6,404,238	0.8%	Rank history: #31 in FY2021, #18 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2021.
23	Professionals HIR LLC Top agencies Navy (Department of the Navy)	$6,373,026	0.8%	Rank history: #56 in FY2021, not on the FY2023 list, #96 in FY2024 and not on the FY2025 list; up 33 since FY2021.
24	Buildtec Corp Top agencies Navy (Department of the Navy)	$5,992,485	0.7%	Rank history: #57 in FY2021, #70 in FY2023, #48 in FY2024 and #95 in FY2025; up 33 since FY2021.
25	Morello Construction LLC Top agencies DOI (Department of the Interior)	$5,862,087	0.7%	Rank history: not on the FY2021 list, #35 in FY2023, #80 in FY2024 and #81 in FY2025; new.
26	The Riff Group, LLC Top agencies Treasury (Department of the Treasury)	$5,161,773	0.6%	Rank history: #42 in FY2021, #21 in FY2023, #35 in FY2024 and #66 in FY2025; up 16 since FY2021.
27	Pono Aina Management LLC 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,701,761	0.6%	Rank history: not on the FY2021 list, #89 in FY2023, #100 in FY2024 and not on the FY2025 list; new.
28	Birmingham Industrial Construction, LLC Top agencies NASA (National Aeronautics and Space Administration)	$4,594,655	0.6%	Rank history: #12 in FY2021, #57 in FY2023, #13 in FY2024 and #7 in FY2025; down 16 since FY2021.
29	CCI General Contractors LLC 3 awardees Top agencies Navy (Department of the Navy)	$4,530,016	0.6%	Rank history: #24 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
30	Civil Works Contracting LLC Top agencies NASA (National Aeronautics and Space Administration)	$4,445,759	0.5%	Rank history: #21 in FY2021, #13 in FY2023, #78 in FY2024 and #23 in FY2025; down 9 since FY2021.
31	MIA General Contracting LLC Top agencies USAF (Department of the Air Force)	$4,214,737	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 120 since FY2021.
32	C & C Contractors LLC Top agencies Army (Department of the Army)	$3,904,721	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
33	Nadiad Inc. Top agencies Navy (Department of the Navy)	$3,839,698	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 91 since FY2021.
34	Sauer Holdings Inc. Through Sauer Construction, LLC Top agencies NASA (National Aeronautics and Space Administration)	$3,826,510	0.5%	Rank history: #89 in FY2021, #65 in FY2023 and not on the FY2024–FY2025 lists; up 55 since FY2021.
35	Envirosmart Inc. Top agencies Navy (Department of the Navy)	$3,564,036	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
36	Yerba Buena Engineering & Construction, Inc. Top agencies Treasury (Department of the Treasury)	$3,455,893	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
37	Southeast Cherokee Construction, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$3,386,673	0.4%	Rank history: #68 in FY2021, #19 in FY2023, #50 in FY2024 and #79 in FY2025; up 31 since FY2021.
38	Global Logistics & Services W.L.L. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$3,376,708	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 129 since FY2021.
39	Serena Construction LLC Top agencies Navy (Department of the Navy)	$3,093,233	0.4%	Rank history: not on the FY2021 list, #95 in FY2023, #67 in FY2024 and #94 in FY2025; up 65 since FY2021.
40	Pontchartrain Partners, LLC Top agencies NASA (National Aeronautics and Space Administration)	$3,087,259	0.4%	Rank history: #84 in FY2021, #46 in FY2023 and not on the FY2024–FY2025 lists; up 44 since FY2021.
41	K2 Contracting Group, LLC Top agencies DOI (Department of the Interior)	$3,087,184	0.4%	Rank history: #45 in FY2021 and not on the FY2023–FY2025 lists; up 4 since FY2021.
42	Air Control, Inc. Top agencies Army (Department of the Army)	$3,066,217	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
43	Lorenzon Construction, Inc. Top agencies Treasury (Department of the Treasury)	$3,029,480	0.4%	Rank history: #77 in FY2021, #42 in FY2023, #19 in FY2024 and #59 in FY2025; up 34 since FY2021.
44	Sea Pac Engineering Inc. Top agencies DOS (Department of State)	$2,767,170	0.3%	Rank history: #51 in FY2021 and not on the FY2023–FY2025 lists; up 7 since FY2021.
45	Goldbelt Operations Support Services LLC Top agencies USAF (Department of the Air Force)	$2,753,280	0.3%	Rank history: not on the FY2021 list, #44 in FY2023, #52 in FY2024 and not on the FY2025 list; up 103 since FY2021.
46	Frazier Investments, Inc. 2 awardees Top agencies Navy (Department of the Navy) Army (Department of the Army)	$2,694,118	0.3%	Rank history: #46 in FY2021 and not on the FY2023–FY2025 lists; unchanged since FY2021.
47	Mig Gov, LLC Top agencies Navy (Department of the Navy)	$2,683,439	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
48	CCI Facility Contractors, LLC Top agencies Navy (Department of the Navy)	$2,588,114	0.3%	Rank history: #75 in FY2021 and not on the FY2023–FY2025 lists; up 27 since FY2021.
49	CCI Prime Contractors, LLC Top agencies Navy (Department of the Navy)	$2,538,591	0.3%	Rank history: not on the FY2021 list, #11 in FY2023, #12 in FY2024 and #12 in FY2025; up 88 since FY2021.
50	Pro-Mark Services Inc. Top agencies HHS (Department of Health and Human Services)	$2,495,563	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
51	Carmen Roofing Services, LLC Top agencies USAF (Department of the Air Force)	$2,410,522	0.3%	Rank history: not on the FY2021 list, not on the FY2023 list, #68 in FY2024 and not on the FY2025 list; new.
52	Trusted Construction & Facility Support, LLC Top agencies DOJ (Department of Justice)	$2,387,517	0.3%	Rank history: #76 in FY2021, #36 in FY2023 and not on the FY2024–FY2025 lists; up 24 since FY2021.
53	Marble Island LLC Top agencies DOT (Department of Transportation)	$2,295,823	0.3%	Rank history: not on the FY2021 list, not on the FY2023 list, #58 in FY2024 and not on the FY2025 list; new.
54	Fluor Corporation Through Fluor Federal Solutions, LLC Top agencies Army (Department of the Army)	$2,268,292	0.3%	Rank history: #15 in FY2021, #43 in FY2023 and not on the FY2024–FY2025 lists; down 39 since FY2021.
55	Four Tribes Construction Services, LLC Top agencies Navy (Department of the Navy)	$2,251,233	0.3%	Rank history: #19 in FY2021, #68 in FY2023, #38 in FY2024 and #21 in FY2025; down 36 since FY2021.
56	The Whiting-Turner Contracting Company Top agencies Army (Department of the Army)	$2,042,664	0.3%	Rank history: #50 in FY2021, #25 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2021.
57	Maven Construction & Environmental, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$2,011,848	0.2%	Rank history: #81 in FY2021, #55 in FY2023 and not on the FY2024–FY2025 lists; up 24 since FY2021.
58	R2Build-Procon JV LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,895,213	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
59	Harrell Contracting Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,862,684	0.2%	Rank history: #52 in FY2021, not on the FY2023 list, #43 in FY2024 and not on the FY2025 list; down 7 since FY2021.
60	Warden Construction Corporation Top agencies USAF (Department of the Air Force)	$1,830,832	0.2%	Rank history: #95 in FY2021, #28 in FY2023, #72 in FY2024 and #26 in FY2025; up 35 since FY2021.
61	Doyon Government Contracting Inc. Through Doyon Technical Services, LLC Top agencies DLA (Defense Logistics Agency)	$1,818,418	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 83 since FY2021.
62	Precision Resources Inc. Through Precision Mechanical Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,674,678	0.2%	Rank history: #69 in FY2021, #53 in FY2023, #32 in FY2024 and not on the FY2025 list; up 7 since FY2021.
63	CCI Utility and Construction Services, LLC Top agencies Navy (Department of the Navy)	$1,645,410	0.2%	Rank history: #29 in FY2021, #94 in FY2023 and not on the FY2024–FY2025 lists; down 34 since FY2021.
64	Ames 1, LLC Top agencies Navy (Department of the Navy)	$1,643,768	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
65	Gana-A' Yoo, Limited Through Kaiyuh Services, LLC Top agencies GSA (General Services Administration)	$1,594,345	0.2%	Rank history: not on the FY2021 list, #67 in FY2023 and not on the FY2024–FY2025 lists; new.
66	BGRS Relocation Inc. Through Methuen Construction Co Inc. Top agencies Navy (Department of the Navy)	$1,560,143	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
67	ML Builders, LLC Top agencies USAF (Department of the Air Force)	$1,344,910	0.2%	Rank history: #70 in FY2021 and not on the FY2023–FY2025 lists; up 3 since FY2021.
68	Grunley Construction Co., Inc. Top agencies USDA (Department of Agriculture)	$1,323,230	0.2%	Rank history: #33 in FY2021, #60 in FY2023 and not on the FY2024–FY2025 lists; down 35 since FY2021.
69	Saudi Naval Support Co. Top agencies USAF (Department of the Air Force)	$1,310,868	0.2%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #69 in FY2025; new.
70	Kautaq Construction Services, LLC Top agencies USAF (Department of the Air Force)	$1,286,043	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
71	Native Star Group, Inc. Top agencies USAF (Department of the Air Force)	$1,271,911	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
72	Iron Sword Enterprises, LLC Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force)	$1,254,655	0.2%	Rank history: #60 in FY2021 and not on the FY2023–FY2025 lists; down 12 since FY2021.
73	ACC Construction Co., Inc. Top agencies USSOCOM (United States Special Operations Command)	$1,254,140	0.2%	Rank history: not on the FY2021 list, #15 in FY2023 and not on the FY2024–FY2025 lists; up 33 since FY2021.
74	Joseph J Henderson & Son Inc. Top agencies Navy (Department of the Navy)	$1,247,943	0.2%	Rank history: #98 in FY2021 and not on the FY2023–FY2025 lists; up 24 since FY2021.
75	Machado Bros., Inc. Top agencies DHS (Department of Homeland Security)	$1,242,876	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #65 in FY2024 and not on the FY2025 list; up 44 since FY2021.
76	New Dominion Construction LLC Top agencies Navy (Department of the Navy)	$1,232,677	0.2%	Rank history: #41 in FY2021, not on the FY2023 list, #69 in FY2024 and #92 in FY2025; down 35 since FY2021.
77	Credere Envirovantage, LLC Top agencies Navy (Department of the Navy)	$1,228,095	0.2%	Rank history: #73 in FY2021 and not on the FY2023–FY2025 lists; down 4 since FY2021.
78	Corsentino Construction, Inc. Top agencies DOT (Department of Transportation)	$1,164,750	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
79	The Chenega Corporation Through Chenega Worldwide Support, LLC Top agencies USAF (Department of the Air Force)	$1,161,252	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
80	Mcintyre Brothers LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,146,725	0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #95 in FY2024 and #55 in FY2025; up 198 since FY2021.
81	Midlands Mechanical, Inc. Top agencies Treasury (Department of the Treasury)	$1,137,759	0.1%	Rank history: #72 in FY2021, #61 in FY2023, #91 in FY2024 and #39 in FY2025; down 9 since FY2021.
82	Swan Contracting LLC Top agencies Navy (Department of the Navy)	$1,076,282	0.1%	Rank history: #83 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
83	Armitage Architecture Inc. Top agencies Navy (Department of the Navy)	$1,072,663	0.1%	Rank history: not on the FY2021 list, #63 in FY2023 and not on the FY2024–FY2025 lists; up 43 since FY2021.
84	Armitage SAI JV Top agencies Navy (Department of the Navy)	$1,030,289	0.1%	Rank history: not on the FY2021 list, #32 in FY2023 and not on the FY2024–FY2025 lists; new.
85	Cody M Stevens Construction Inc. Top agencies Navy (Department of the Navy)	$1,009,504	0.1%	Rank history: not on the FY2021 list, #69 in FY2023, #45 in FY2024 and #34 in FY2025; new.
86	RJS Construction Inc. Top agencies USDA (Department of Agriculture)	$1,005,759	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
87	Mastercraft Mechanical Contractors, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,001,792	0.1%	Rank history: not on the FY2021 list, #49 in FY2023, not on the FY2024 list and #74 in FY2025; up 192 since FY2021.
88	A & H-Ambica JV LLC Top agencies NASA (National Aeronautics and Space Administration)	$878,094	0.1%	Rank history: #8 in FY2021, not on the FY2023 list, #76 in FY2024 and #9 in FY2025; down 80 since FY2021.
89	Troop Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$877,000	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
90	Talon Veteran Services Incorporated Top agencies USAF (Department of the Air Force)	$780,965	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
91	HGL Construction Inc. Top agencies USAF (Department of the Air Force)	$708,800	0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #57 in FY2024 and not on the FY2025 list; new.
92	Abide International, Inc. Top agencies DOI (Department of the Interior)	$699,923	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
93	Borealis Enterprises, LLC Top agencies Navy (Department of the Navy)	$683,453	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
94	National Native American Construction, Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$679,592	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
95	CFM Project Consulting Group Inc. Top agencies DOJ (Department of Justice)	$660,502	0.1%	Rank history: #54 in FY2021 and not on the FY2023–FY2025 lists; down 41 since FY2021.
96	United Construction Establishment Top agencies Army (Department of the Army)	$656,834	0.1%	Rank history: not on the FY2021 list, #86 in FY2023 and not on the FY2024–FY2025 lists; new.
97	Blue Construction Services LLC Top agencies Navy (Department of the Navy)	$617,013	0.1%	Rank history: not on the FY2021 list, #78 in FY2023, #56 in FY2024 and #77 in FY2025; new.
98	Tooz Construction Inc. Top agencies DOE (Department of Energy)	$608,306	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
99	Tigua Construction Services, Inc. Top agencies DHS (Department of Homeland Security)	$600,000	0.1%	Rank history: not on the FY2021 list, #82 in FY2023 and not on the FY2024–FY2025 lists; new.
100	G-W Management Services, LLC Top agencies Navy (Department of the Navy)	$573,330	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 98 since FY2021.

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100 of 256 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 23621

Code	Net obligations	Largest contractor
236210 Industrial Building Construction	$612,622,542	Healtheon, Inc.

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 $812 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 23621 contractors in FY2022?

1. Healtheon, Inc. ($72.4M), 2. Seqirus USA Inc. ($69.7M), 3. Walsh Federal LLC ($67.8M), 4. Reliable Builders Inc. ($43.4M), 5. Veterans Range Solutions, LLC ($40.3M), 6. Bechtel Corp ($35M), 7. Parsons Corporation ($31.7M), 8. Watterson Construction Co ($31.2M), 9. Veterans Holding Group LLC ($29M), 10. Caddell-Nan A Joint Venture ($27.8M).

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