Top 100 Contractors in PSC Z2DA: Repair or Alteration of Hospitals and Infirmaries, FY2021

Name: Top 100 Contractors in PSC Z2DA: Repair or Alteration of Hospitals and Infirmaries, FY2021
Creator: GovTribe

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

The top 10 won 36% of FY2021 PSC Z2DA contract dollars

Contract obligations: $648,636,803 Net of deobligations, by contracts coded PSC Z2DA
Contractors: 304 Parent companies with an obligation
Largest contractor: Guarantee Interiors, Inc. $38.4 million, 5.9% 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	Guarantee Interiors, Inc. Top agencies VA (Department of Veterans Affairs)	$38,386,959	5.9%	Rank history: #9 in FY2022, #9 in FY2023, #23 in FY2024 and #15 in FY2025; up 6 since FY2020.
2	Talion Construction, LLC Top agencies VA (Department of Veterans Affairs)	$27,830,991	4.2%	Rank history: #30 in FY2022, #19 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
3	JE Dunn Construction Group Inc. Through J.e. Dunn Construction Company Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$27,643,817	4.2%	Rank history: #14 in FY2022, #96 in FY2023, #42 in FY2024 and not on the FY2025 list; up 16 since FY2020.
4	ESA South, Inc. Top agencies VA (Department of Veterans Affairs)	$26,018,365	4.0%	Rank history: #71 in FY2022, #2 in FY2023, #86 in FY2024 and not on the FY2025 list; up 214 since FY2020.
5	American Engineering Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$25,986,921	4.0%	Rank history: not on the FY2022–FY2023 lists, #67 in FY2024 and not on the FY2025 list; up 137 since FY2020.
6	Williams Building Company, Inc. Top agencies VA (Department of Veterans Affairs)	$23,043,931	3.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
7	Briston Construction, LLC Top agencies VA (Department of Veterans Affairs)	$16,900,253	2.6%	Rank history: #5 in FY2022, #24 in FY2023, #13 in FY2024 and #21 in FY2025; up 258 since FY2020.
8	Bristol Bay Native Corporation Through Specpro Environmental Services LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$16,443,022	2.5%	Rank history: not on the FY2022–FY2025 lists; up 43 since FY2020.
9	Sygnos Inc. Top agencies VA (Department of Veterans Affairs)	$16,278,227	2.5%	Rank history: #2 in FY2022, #31 in FY2023, #65 in FY2024 and #65 in FY2025; up 148 since FY2020.
10	Fdcd Joint Venture Top agencies VA (Department of Veterans Affairs)	$15,749,000	2.4%	Rank history: not on the FY2022–FY2024 lists and #91 in FY2025; up 8 since FY2020.
11	Ironclad Services Inc. Top agencies VA (Department of Veterans Affairs)	$14,014,875	2.1%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; up 199 since FY2020.
12	Senate Builders & Construction Managers, Inc. Top agencies VA (Department of Veterans Affairs)	$12,955,055	2.0%	Rank history: #26 in FY2022, #55 in FY2023, #12 in FY2024 and not on the FY2025 list; up 19 since FY2020.
13	Kirlin Builders LLC Through FSI Construction, LLC Top agencies Army (Department of the Army)	$12,137,626	1.9%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; up 90 since FY2020.
14	Spartan Construction Services Inc. Top agencies VA (Department of Veterans Affairs)	$12,105,490	1.8%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; up 60 since FY2020.
15	Advanced Technology Construction Corporation Top agencies VA (Department of Veterans Affairs)	$11,920,075	1.8%	Rank history: not on the FY2022–FY2023 lists, #38 in FY2024 and not on the FY2025 list; up 35 since FY2020.
16	Venergy Group LLC Top agencies VA (Department of Veterans Affairs)	$11,454,372	1.7%	Rank history: #51 in FY2022, not on the FY2023 list, #55 in FY2024 and not on the FY2025 list; up 41 since FY2020.
17	Onsite Construction Group LLC Top agencies VA (Department of Veterans Affairs)	$11,190,629	1.7%	Rank history: #4 in FY2022, #10 in FY2023, #16 in FY2024 and #7 in FY2025; up 15 since FY2020.
18	Rbvetco, LLC Top agencies VA (Department of Veterans Affairs)	$9,606,415	1.5%	Rank history: #75 in FY2022, #4 in FY2023, #94 in FY2024 and not on the FY2025 list; up 45 since FY2020.
19	Industria Pacific JV LLC Top agencies VA (Department of Veterans Affairs)	$9,227,051	1.4%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
20	Smith Hafeli Inc. Top agencies VA (Department of Veterans Affairs)	$8,993,513	1.4%	Rank history: #34 in FY2022, #73 in FY2023, #31 in FY2024 and #41 in FY2025; up 19 since FY2020.
21	Blue Cord Design and Construction, LLC Top agencies VA (Department of Veterans Affairs)	$8,107,734	1.2%	Rank history: #36 in FY2022, #13 in FY2023, #10 in FY2024 and #36 in FY2025; down 10 since FY2020.
22	Jett's Specialty Contracting, LLC Top agencies VA (Department of Veterans Affairs)	$7,851,491	1.2%	Rank history: not on the FY2022 list, #40 in FY2023, not on the FY2024 list and #13 in FY2025; down 1 since FY2020.
23	R.T Contractor Corp. Top agencies VA (Department of Veterans Affairs)	$7,200,000	1.1%	Rank history: #54 in FY2022, #41 in FY2023, #53 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
24	Gbd2 Joint Venture Top agencies VA (Department of Veterans Affairs)	$6,461,773	1.0%	Rank history: #99 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; up 130 since FY2020.
25	Saw Contracting, Inc. Top agencies VA (Department of Veterans Affairs)	$6,347,994	1.0%	Rank history: not on the FY2022–FY2025 lists; up 107 since FY2020.
26	Contract and Purchasing Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$6,204,661	0.9%	Rank history: not on the FY2022–FY2025 lists; up 202 since FY2020.
27	D Square Construction LLC Top agencies VA (Department of Veterans Affairs)	$6,132,906	0.9%	Rank history: #15 in FY2022, #16 in FY2023, #11 in FY2024 and #19 in FY2025; up 17 since FY2020.
28	WFV Construction, LLC Top agencies VA (Department of Veterans Affairs)	$6,130,525	0.9%	Rank history: #60 in FY2022, #88 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
29	MDM Construction LLC Top agencies VA (Department of Veterans Affairs)	$6,091,079	0.9%	Rank history: not on the FY2022–FY2025 lists; up 204 since FY2020.
30	Driekast Piping Corp Top agencies VA (Department of Veterans Affairs)	$5,991,199	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
31	Kikiktagruk Inupiat Corp 3 awardees, including Midnight Sun Aus, LLC Top agencies HHS (Department of Health and Human Services)	$5,698,064	0.9%	Rank history: #20 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2020.
32	The Trevino Group, Inc. Top agencies VA (Department of Veterans Affairs)	$5,672,185	0.9%	Rank history: not on the FY2022 list, #62 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
33	Tri Vet Contracting Co, Inc. Top agencies VA (Department of Veterans Affairs)	$5,466,897	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	Sdpm JFM Construcciones Joint Venture Top agencies VA (Department of Veterans Affairs)	$5,385,598	0.8%	Rank history: not on the FY2022–FY2023 lists, #29 in FY2024 and #59 in FY2025; up 61 since FY2020.
35	RB Construction Company Top agencies VA (Department of Veterans Affairs)	$5,215,184	0.8%	Rank history: not on the FY2022 list, #79 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
36	Veteran Design & Construction Inc. Top agencies VA (Department of Veterans Affairs)	$5,002,668	0.8%	Rank history: #6 in FY2022, #46 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
37	Birmingham Industrial Construction, LLC Top agencies VA (Department of Veterans Affairs)	$5,001,334	0.8%	Rank history: #59 in FY2022, #25 in FY2023, #26 in FY2024 and not on the FY2025 list; up 80 since FY2020.
38	Greenstone Construction, Inc. Top agencies VA (Department of Veterans Affairs)	$4,942,775	0.8%	Rank history: not on the FY2022–FY2025 lists; up 33 since FY2020.
39	Royce Construction Services, LLC Top agencies Army (Department of the Army)	$4,929,699	0.8%	Rank history: not on the FY2022 list, #17 in FY2023, #3 in FY2024 and #62 in FY2025; up 9 since FY2020.
40	Military & Federal Construction Co., Inc. Top agencies Navy (Department of the Navy)	$4,487,549	0.7%	Rank history: not on the FY2022 list, #68 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
41	Harbor Services, Inc. Top agencies VA (Department of Veterans Affairs)	$4,449,803	0.7%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; up 150 since FY2020.
42	Innovative Support Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$4,329,999	0.7%	Rank history: #79 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; down 16 since FY2020.
43	Afci-Cci JV One LLC Top agencies VA (Department of Veterans Affairs)	$4,259,000	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Acierto LLC Top agencies VA (Department of Veterans Affairs)	$4,104,790	0.6%	Rank history: not on the FY2022 list, #99 in FY2023, not on the FY2024 list and #40 in FY2025; up 26 since FY2020.
45	Mare Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$3,958,700	0.6%	Rank history: #65 in FY2022 and not on the FY2023–FY2025 lists; up 229 since FY2020.
46	Pro Construction Services Inc. Top agencies VA (Department of Veterans Affairs)	$3,905,660	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	M.d. Par, L.L.C. Top agencies VA (Department of Veterans Affairs)	$3,877,026	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Sapper West, Inc. Top agencies VA (Department of Veterans Affairs)	$3,795,915	0.6%	Rank history: not on the FY2022–FY2025 lists; up 98 since FY2020.
49	Ljbco Group LLC Top agencies VA (Department of Veterans Affairs)	$3,747,825	0.6%	Rank history: not on the FY2022–FY2025 lists; down 25 since FY2020.
50	Vetcon, LLC Top agencies VA (Department of Veterans Affairs)	$3,747,344	0.6%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	TL Services, Inc. Top agencies VA (Department of Veterans Affairs)	$3,655,229	0.6%	Rank history: not on the FY2022 list, #27 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
52	Faith Enterprises Incorporated Top agencies VA (Department of Veterans Affairs)	$3,510,010	0.5%	Rank history: #61 in FY2022, #39 in FY2023, #66 in FY2024 and #75 in FY2025; down 42 since FY2020.
53	WFV 3 Construction, LLC Top agencies VA (Department of Veterans Affairs)	$3,483,322	0.5%	Rank history: not on the FY2022–FY2025 lists; up 59 since FY2020.
54	Jackson Ryan Construction Services, Inc. Top agencies VA (Department of Veterans Affairs)	$3,470,367	0.5%	Rank history: #45 in FY2022, #48 in FY2023, not on the FY2024 list and #69 in FY2025; up 42 since FY2020.
55	Sergents Mechanical Systems Inc. Top agencies VA (Department of Veterans Affairs)	$3,461,941	0.5%	Rank history: not on the FY2022 list, #15 in FY2023, not on the FY2024 list and #64 in FY2025; down 17 since FY2020.
56	Middleton Construction Consulting, LLC Top agencies VA (Department of Veterans Affairs)	$3,451,865	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	Electri-Comm Inc. Top agencies VA (Department of Veterans Affairs)	$3,437,597	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
58	GCH Construction Company Top agencies VA (Department of Veterans Affairs)	$3,338,535	0.5%	Rank history: #7 in FY2022, #23 in FY2023, #69 in FY2024 and #35 in FY2025; down 41 since FY2020.
59	Anchor Contracting, LLC Top agencies VA (Department of Veterans Affairs)	$3,217,161	0.5%	Rank history: not on the FY2022–FY2023 lists, #78 in FY2024 and not on the FY2025 list; up 182 since FY2020.
60	Fidelis Design and Construction, LLC Top agencies VA (Department of Veterans Affairs)	$3,090,339	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	RLS Construction Group, LLC Top agencies VA (Department of Veterans Affairs)	$3,080,452	0.5%	Rank history: #41 in FY2022, #50 in FY2023, #39 in FY2024 and #45 in FY2025; down 28 since FY2020.
62	Firewatch Contracting of Florida LLC Top agencies VA (Department of Veterans Affairs)	$3,077,245	0.5%	Rank history: not on the FY2022 list, #34 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
63	Hawk Contracting Group LLC Top agencies VA (Department of Veterans Affairs)	$2,803,871	0.4%	Rank history: not on the FY2022–FY2025 lists; up 139 since FY2020.
64	TST Tactical Defense Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$2,800,000	0.4%	Rank history: #70 in FY2022, #12 in FY2023, #37 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
65	KMK Construction, Inc. Top agencies VA (Department of Veterans Affairs)	$2,708,376	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Coburn Contractors, LLC Top agencies VA (Department of Veterans Affairs)	$2,523,648	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	California Constructors Top agencies Navy (Department of the Navy)	$2,492,363	0.4%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
68	RHI LLC Top agencies VA (Department of Veterans Affairs)	$2,435,140	0.4%	Rank history: #56 in FY2022, not on the FY2023 list, #24 in FY2024 and #26 in FY2025; down 39 since FY2020.
69	Betance Enterprises Inc. Top agencies VA (Department of Veterans Affairs)	$2,432,299	0.4%	Rank history: #73 in FY2022, #43 in FY2023, #90 in FY2024 and not on the FY2025 list; up 3 since FY2020.
70	Mule Engineering, Inc. Top agencies VA (Department of Veterans Affairs)	$2,317,405	0.4%	Rank history: #92 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
71	Nihon Meccs Co.,Ltd. Top agencies Navy (Department of the Navy)	$2,149,912	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Bwhit Infrastructure Solutions LLC Top agencies VA (Department of Veterans Affairs)	$2,109,406	0.3%	Rank history: not on the FY2022–FY2025 lists; up 131 since FY2020.
73	Utility Systems Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$1,974,429	0.3%	Rank history: #53 in FY2022, #28 in FY2023 and not on the FY2024–FY2025 lists; up 124 since FY2020.
74	Carrigg Commercial Builders LLC Top agencies VA (Department of Veterans Affairs)	$1,927,647	0.3%	Rank history: #25 in FY2022, #51 in FY2023, #88 in FY2024 and not on the FY2025 list; down 58 since FY2020.
75	Brican, Inc. Top agencies VA (Department of Veterans Affairs)	$1,848,708	0.3%	Rank history: #89 in FY2022, #97 in FY2023, not on the FY2024 list and #81 in FY2025; down 6 since FY2020.
76	SES Construction and Fuel Services LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$1,825,438	0.3%	Rank history: #43 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; up 64 since FY2020.
77	J & J Maintenance Inc. Top agencies Army (Department of the Army)	$1,775,232	0.3%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; down 64 since FY2020.
78	Burton Construction, Inc. Top agencies VA (Department of Veterans Affairs)	$1,696,738	0.3%	Rank history: not on the FY2022–FY2025 lists; down 58 since FY2020.
79	Spees LLC Through Spees-Hernandez JV LLC Top agencies VA (Department of Veterans Affairs)	$1,688,158	0.3%	Rank history: not on the FY2022–FY2025 lists; down 18 since FY2020.
80	Valor Construction Management, LLC Top agencies VA (Department of Veterans Affairs)	$1,682,530	0.3%	Rank history: not on the FY2022–FY2025 lists; up 28 since FY2020.
81	Aeonrg LLC Top agencies VA (Department of Veterans Affairs)	$1,590,735	0.2%	Rank history: #47 in FY2022, #60 in FY2023, #41 in FY2024 and #37 in FY2025; up 80 since FY2020.
82	MSK Construction Inc. Top agencies VA (Department of Veterans Affairs)	$1,518,915	0.2%	Rank history: not on the FY2022–FY2023 lists, #97 in FY2024 and not on the FY2025 list; up 25 since FY2020.
83	Hartigan Delaware Team, LLC - JV Top agencies VA (Department of Veterans Affairs)	$1,291,343	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Floyd Construction Corp Top agencies VA (Department of Veterans Affairs)	$1,253,665	0.2%	Rank history: #81 in FY2022, #37 in FY2023, #63 in FY2024 and #70 in FY2025; up 7 since FY2020.
85	EG Management Services, Inc. Top agencies Navy (Department of the Navy)	$1,248,205	0.2%	Rank history: not on the FY2022–FY2025 lists; up 95 since FY2020.
86	Itsi Gilbane Japan G.K. Through Gilbane Federal Top agencies Army (Department of the Army)	$1,227,455	0.2%	Rank history: not on the FY2022–FY2025 lists; down 80 since FY2020.
87	Eastern Construction & Electric Inc. Top agencies VA (Department of Veterans Affairs)	$1,226,874	0.2%	Rank history: not on the FY2022–FY2023 lists, #22 in FY2024 and #97 in FY2025; up 32 since FY2020.
88	Global Engineering Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,200,398	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Calvary Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$1,185,991	0.2%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; up 36 since FY2020.
90	Gilbane Federal JV Top agencies USAF (Department of the Air Force)	$1,176,895	0.2%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
91	Caladwich Consulting LLC Top agencies VA (Department of Veterans Affairs)	$1,096,059	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Olgoonik Federal, LLC Top agencies HHS (Department of Health and Human Services)	$1,059,558	0.2%	Rank history: not on the FY2022–FY2025 lists; up 46 since FY2020.
93	Andros Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$971,613	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	MSC Design Build LLC Top agencies VA (Department of Veterans Affairs)	$959,346	0.1%	Rank history: #28 in FY2022, #87 in FY2023, #20 in FY2024 and #88 in FY2025; up 76 since FY2020.
95	Richard Group LLC Top agencies VA (Department of Veterans Affairs)	$951,252	0.1%	Rank history: #52 in FY2022, not on the FY2023–FY2024 lists and #92 in FY2025; down 40 since FY2020.
96	Global Engineering & Construction, LLC Top agencies Army (Department of the Army)	$911,786	0.1%	Rank history: not on the FY2022–FY2023 lists, #14 in FY2024 and #31 in FY2025; down 66 since FY2020.
97	General and Mechanical Services, LLC Top agencies HHS (Department of Health and Human Services)	$904,236	0.1%	Rank history: not on the FY2022–FY2025 lists; up 21 since FY2020.
98	Sletten Inc. Through Sletten Construction Company Top agencies HHS (Department of Health and Human Services)	$900,605	0.1%	Rank history: not on the FY2022–FY2025 lists; down 83 since FY2020.
99	The Construction Services Group Inc. Top agencies VA (Department of Veterans Affairs)	$895,976	0.1%	Rank history: not on the FY2022 list, #81 in FY2023, #27 in FY2024 and not on the FY2025 list; down 40 since FY2020.
100	Avalon Contracting Inc. Top agencies VA (Department of Veterans Affairs)	$878,111	0.1%	Rank history: not on the FY2022–FY2025 lists; down 32 since FY2020.

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100 of 304 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 $656 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 PSC Z2DA contractors in FY2021?

1. Guarantee Interiors, Inc. ($38.4M), 2. Talion Construction, LLC ($27.8M), 3. JE Dunn Construction Group Inc. ($27.6M), 4. ESA South, Inc. ($26M), 5. American Engineering Corporation ($26M), 6. Williams Building Company, Inc. ($23M), 7. Briston Construction, LLC ($16.9M), 8. Bristol Bay Native Corporation ($16.4M), 9. Sygnos Inc. ($16.3M), 10. Fdcd Joint Venture ($15.7M).

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