Top 100 Contractors in PSC Y1AZ: Construction of Other Administrative Facilities and Service Buildings, FY2023

Name: Top 100 Contractors in PSC Y1AZ: Construction of Other Administrative Facilities and Service Buildings, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 49% of FY2023 PSC Y1AZ contract dollars

Contract obligations: $2,048,307,763 Net of deobligations, by contracts coded PSC Y1AZ
Contractors: 424 Parent companies with an obligation
Largest contractor: M. a. Mortenson Companies Inc. $171 million, 7.8% 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	M. a. Mortenson Companies Inc. Through M.a. Mortenson Company Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$170,741,892	7.8%	Rank history: #71 in FY2021, #8 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
2	Walsh Federal LLC Top agencies Army (Department of the Army)	$142,149,924	6.5%	Rank history: #43 in FY2021, #56 in FY2022, #64 in FY2024 and #28 in FY2025; up 54 since FY2022.
3	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies Navy (Department of the Navy) DOS (Department of State) USAF (Department of the Air Force)	$128,332,019	5.9%	Rank history: #3 in FY2021, #28 in FY2022, #3 in FY2024 and not on the FY2025 list; up 25 since FY2022.
4	Sauer Holdings Inc. Through Sauer Construction, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$125,711,175	5.8%	Rank history: not on the FY2021 list, #17 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
5	Gilbane Federal Top agencies DHS (Department of Homeland Security) Army (Department of the Army) USAF (Department of the Air Force)	$108,896,850	5.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
6	Manhattan Construction Company Top agencies Army (Department of the Army)	$108,829,718	5.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 196 since FY2022.
7	The Whiting-Turner Contracting Company Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$85,172,094	3.9%	Rank history: #2 in FY2021, #30 in FY2022, #16 in FY2024 and #8 in FY2025; up 23 since FY2022.
8	Pacific Rim Constructors Inc. Top agencies Navy (Department of the Navy)	$73,999,888	3.4%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2024 and not on the FY2025 list; new.
9	Herve Cody Contractor LLC Top agencies Army (Department of the Army)	$64,846,760	3.0%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #63 in FY2025; new.
10	Hensel Phelps Construction Co 3 awardees, including Hensel Phelps - Shimizu JV Top agencies GSA (General Services Administration) Army (Department of the Army) Navy (Department of the Navy)	$59,122,701	2.7%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #6 in FY2025; down 9 since FY2022.
11	Grunley Construction Co., Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$51,395,967	2.4%	Rank history: #9 in FY2021, #5 in FY2022, #19 in FY2024 and #42 in FY2025; down 6 since FY2022.
12	The Povolny Group Inc. Top agencies VA (Department of Veterans Affairs)	$50,072,400	2.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
13	R.a. Burch Construction Co., Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$44,878,535	2.1%	Rank history: #85 in FY2021, not on the FY2022 list, not on the FY2024 list and #3 in FY2025; up 151 since FY2022.
14	RQ Construction, LLC Top agencies Navy (Department of the Navy)	$33,977,237	1.6%	Rank history: #23 in FY2021, #7 in FY2022, #21 in FY2024 and #49 in FY2025; down 7 since FY2022.
15	Chitina Diversified -Ames 1 JV LLC Top agencies DHS (Department of Homeland Security)	$33,555,883	1.5%	Rank history: not on the FY2021 list, #20 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
16	Koniag, Inc. Through Kadiak LLC Top agencies DOS (Department of State)	$29,716,382	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
17	Roundhouse PBN - Tepa EC Joint Venture Top agencies Army (Department of the Army)	$29,397,950	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	York-Brawley II JV LLC Top agencies USAF (Department of the Air Force)	$28,232,086	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Intercontinental Construction Contracting Inc. Top agencies Army (Department of the Army)	$27,540,260	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	DB Netz AG Regionalnetz Oberpfalz Top agencies Army (Department of the Army)	$25,278,433	1.2%	Rank history: not on the FY2021 list, #47 in FY2022 and not on the FY2024–FY2025 lists; up 27 since FY2022.
21	Miami Nation Enterpeises Through Miami Wiipica, LLC Top agencies DHS (Department of Homeland Security)	$23,865,900	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
22	Lobar Inc. Top agencies Army (Department of the Army)	$23,565,900	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	Borealis Enterprises LLC Top agencies DHS (Department of Homeland Security)	$23,283,908	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
24	Encon Desbuild JV 3 LLC Top agencies Navy (Department of the Navy)	$22,643,738	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Harper Construction Company, Inc. Top agencies Navy (Department of the Navy)	$21,851,332	1.0%	Rank history: #5 in FY2021, #16 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
26	Goodfellow-Sun JV, LLC Top agencies DOI (Department of the Interior)	$17,254,000	0.8%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and not on the FY2025 list; new.
27	Anderson Burton Construction, Inc. Top agencies Army (Department of the Army)	$16,478,936	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
28	Emr, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$14,011,835	0.6%	Rank history: not on the FY2021–FY2022 lists, #59 in FY2024 and not on the FY2025 list; up 142 since FY2022.
29	Doyon Government Contracting Inc. 2 awardees, including Doyon Technical Services, LLC and Doyon Project Services, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$13,824,290	0.6%	Rank history: #26 in FY2021, #52 in FY2022 and not on the FY2024–FY2025 lists; up 23 since FY2022.
30	C & C Contractors LLC Top agencies VA (Department of Veterans Affairs)	$13,628,880	0.6%	Rank history: not on the FY2021 list, #77 in FY2022 and not on the FY2024–FY2025 lists; up 47 since FY2022.
31	Litteken Construction Company LLC Top agencies USAF (Department of the Air Force)	$13,416,400	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
32	Balfour Beatty LLC Through Balfour Beatty Construction, LLC Top agencies USSOCOM (United States Special Operations Command) Navy (Department of the Navy) Army (Department of the Army)	$12,782,812	0.6%	Rank history: #4 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
33	Nisou LGC JV II LLC Top agencies USAF (Department of the Air Force)	$12,634,173	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Quarry Hills Ltd Top agencies Army (Department of the Army)	$12,427,222	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Tepa, LLC Through Tepa EC, LLC Top agencies Army (Department of the Army)	$12,129,000	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
36	Paragon Professional Services LLC Top agencies Army (Department of the Army)	$11,653,014	0.5%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and #21 in FY2025; up 130 since FY2022.
37	Veterans Holding Group LLC Through Relyant Global LLC Top agencies Army (Department of the Army)	$11,568,643	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Koman Sustainable Solutions, LLC Top agencies DOI (Department of the Interior)	$11,408,153	0.5%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2024 and not on the FY2025 list; new.
39	Calvary Contracting Inc Top agencies VA (Department of Veterans Affairs)	$10,857,100	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
40	U-Smc / Demaria Jv1, LLC Top agencies Navy (Department of the Navy)	$10,751,110	0.5%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2024 and not on the FY2025 list; up 369 since FY2022.
41	Riverview Construction Associates Inc. Top agencies USAF (Department of the Air Force)	$10,552,800	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	Reasor Building Group LLC Top agencies USAF (Department of the Air Force)	$10,313,642	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	American Veteran Construction Corp. Top agencies VA (Department of Veterans Affairs)	$10,220,000	0.5%	Rank history: not on the FY2021 list, #65 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
44	G.m. Hill Engineering, Inc. Top agencies USDA (Department of Agriculture)	$10,160,863	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
45	V Line Services L.L.C. Top agencies VA (Department of Veterans Affairs)	$8,845,982	0.4%	Rank history: not on the FY2021 list, #31 in FY2022, not on the FY2024 list and #90 in FY2025; down 14 since FY2022.
46	DAX / Gbab JV 3, LLC Top agencies Army (Department of the Army)	$8,840,265	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 355 since FY2022.
47	Veterans Contracting Group, Inc. Top agencies VA (Department of Veterans Affairs)	$8,648,754	0.4%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2024 and #68 in FY2025; new.
48	PEM Construction, LLC Top agencies Army (Department of the Army)	$8,582,978	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	TCG Construction Inc. Top agencies USAF (Department of the Air Force)	$7,869,044	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	KMK Construction, Inc. Top agencies Navy (Department of the Navy)	$7,791,272	0.4%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and not on the FY2025 list; new.
51	Seb.co Costruzioni DI Sebastianelli Antonio E C. S.A.S. Top agencies Navy (Department of the Navy)	$7,545,649	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 162 since FY2022.
52	TOA Corporation Top agencies Navy (Department of the Navy)	$7,505,810	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Mckenzie Construction & Site Development LLC Top agencies Navy (Department of the Navy)	$6,598,408	0.3%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2024 and #71 in FY2025; up 50 since FY2022.
54	Syncon LLC Top agencies Navy (Department of the Navy)	$6,508,130	0.3%	Rank history: #58 in FY2021, #46 in FY2022, #97 in FY2024 and not on the FY2025 list; down 8 since FY2022.
55	CCI Mechanical, LLC Top agencies Army (Department of the Army)	$6,423,725	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	Ironwood Commercial Builders Inc Top agencies USDA (Department of Agriculture) GSA (General Services Administration) DHS (Department of Homeland Security)	$5,889,647	0.3%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #35 in FY2025; up 125 since FY2022.
57	Clark Construction Group LLC Through Atkinson / Clark, A Joint Venture Top agencies GSA (General Services Administration)	$5,769,109	0.3%	Rank history: #59 in FY2021, #81 in FY2022 and not on the FY2024–FY2025 lists; up 24 since FY2022.
58	Birmingham Industrial Construction, LLC Top agencies USAF (Department of the Air Force)	$5,717,498	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Abide International, Inc. Top agencies DHS (Department of Homeland Security) AOUSC (Administrative Office of the U.S. Courts) Army (Department of the Army)	$5,700,887	0.3%	Rank history: #79 in FY2021, #68 in FY2022, #52 in FY2024 and not on the FY2025 list; up 9 since FY2022.
60	J & J Contractors, Inc. Top agencies GSA (General Services Administration)	$5,653,866	0.3%	Rank history: #6 in FY2021, #67 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
61	Nomlaki Technologies, LLC Top agencies DOI (Department of the Interior)	$5,408,459	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Patriot Construction, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$5,376,196	0.2%	Rank history: not on the FY2021 list, #75 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
63	Industrial Maintenance Services Inc. Top agencies VA (Department of Veterans Affairs)	$5,177,651	0.2%	Rank history: not on the FY2021 list, #34 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
64	Olgoonik Federal LLC Through Olgoonik Specialty Contractors LLC Top agencies Army (Department of the Army)	$4,983,070	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Fasone Construction, Inc. Top agencies GSA (General Services Administration)	$4,920,867	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #25 in FY2025; up 286 since FY2022.
66	Hana Technologies Construction, LLC Top agencies DOS (Department of State)	$4,840,279	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Siemens Aktiengesellschaft 2 awardees, including Siemens Government Technologies Inc. and Siemens Medical Solutions Usa, Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$4,642,608	0.2%	Rank history: #20 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 149 since FY2022.
68	Falcon JV, LLC Top agencies VA (Department of Veterans Affairs)	$4,395,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Dimensions Construction, Inc. Top agencies Navy (Department of the Navy)	$4,249,264	0.2%	Rank history: not on the FY2021 list, #36 in FY2022, not on the FY2024 list and #31 in FY2025; down 33 since FY2022.
70	Global Pacific Design Builders, LLC Top agencies Army (Department of the Army)	$4,191,838	0.2%	Rank history: not on the FY2021 list, #13 in FY2022 and not on the FY2024–FY2025 lists; down 57 since FY2022.
71	Snodgrass Contracting LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$4,137,605	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 86 since FY2022.
72	Rossetti Construction Company, Inc. Top agencies GSA (General Services Administration) Army (Department of the Army) DOJ (Department of Justice)	$4,104,485	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 44 since FY2022.
73	Orcom, A Division of Ortega Companies, Inc. Top agencies Army (Department of the Army)	$3,910,811	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	CCI Facility Contractors LLC Top agencies Navy (Department of the Navy)	$3,780,533	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 342 since FY2022.
75	Nishimatsu Construction Co.,Ltd. Top agencies Army (Department of the Army)	$3,662,437	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 167 since FY2022.
76	CCI Group, LLC Top agencies Navy (Department of the Navy)	$3,626,488	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	OCS Construction Services Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$3,579,770	0.2%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2024 and not on the FY2025 list; new.
78	Kunj Construction Corporation Top agencies Navy (Department of the Navy)	$3,445,300	0.2%	Rank history: #75 in FY2021, #62 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
79	Howard W. Pence, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,360,056	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #76 in FY2025; up 258 since FY2022.
80	Greenland Enterprises, Inc. Top agencies Army (Department of the Army)	$3,285,542	0.2%	Rank history: #13 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 171 since FY2022.
81	P & S Construction Inc. Top agencies Navy (Department of the Navy)	$3,217,000	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #34 in FY2025; up 325 since FY2022.
82	Constructicon Corp Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) DOT (Department of Transportation)	$3,174,503	0.1%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2024 and #50 in FY2025; new.
83	Balfour Beatty Construction LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$3,165,332	0.1%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2024 and #7 in FY2025; new.
84	Hess Construction Company, LLC Top agencies Navy (Department of the Navy)	$3,008,871	0.1%	Rank history: not on the FY2021 list, #12 in FY2022 and not on the FY2024–FY2025 lists; down 72 since FY2022.
85	M.d. Par, L.L.C. Top agencies VA (Department of Veterans Affairs)	$2,965,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Infoedge Technology, Inc. Top agencies DOS (Department of State)	$2,960,000	0.1%	Rank history: #40 in FY2021, #41 in FY2022, #77 in FY2024 and #96 in FY2025; down 45 since FY2022.
87	E.k. Management, L.L.C. Top agencies USAF (Department of the Air Force)	$2,956,845	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	RHI LLC Top agencies Army (Department of the Army)	$2,895,130	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	JE Dunn Construction Group Inc. Through J.e. Dunn Construction Company Top agencies Army (Department of the Army)	$2,807,713	0.1%	Rank history: #8 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; down 34 since FY2022.
90	Blue Rock Structures Inc Top agencies Navy (Department of the Navy)	$2,797,087	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Interdyne Corp Top agencies Army (Department of the Army)	$2,780,517	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #55 in FY2025; up 76 since FY2022.
92	Aleut Construction LLC Top agencies Navy (Department of the Navy)	$2,692,736	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 284 since FY2022.
93	KPH Construction Corp Top agencies USAF (Department of the Air Force)	$2,517,932	0.1%	Rank history: #72 in FY2021, #33 in FY2022, not on the FY2024 list and #27 in FY2025; down 60 since FY2022.
94	Etolin Strait Development Group LLC Through Etolin Strait Partners, LLC Top agencies Navy (Department of the Navy)	$2,512,973	0.1%	Rank history: #76 in FY2021, #69 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
95	Cheroenhaka Nottoway Enterprises, LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$2,502,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and not on the FY2025 list; new.
96	Jccbg Top agencies DOI (Department of the Interior)	$2,495,706	0.1%	Rank history: not on the FY2021 list, #2 in FY2022 and not on the FY2024–FY2025 lists; down 94 since FY2022.
97	Omega Belt Built Joint Venture, LLC Top agencies DHS (Department of Homeland Security)	$2,483,378	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Black Construction-Tutor Perini JV Top agencies Navy (Department of the Navy)	$2,447,449	0.1%	Rank history: not on the FY2021 list, #4 in FY2022, #12 in FY2024 and not on the FY2025 list; down 94 since FY2022.
99	G-W Management Services, LLC Top agencies Navy (Department of the Navy)	$2,440,485	0.1%	Rank history: #29 in FY2021, #74 in FY2022, not on the FY2024 list and #70 in FY2025; down 25 since FY2022.
100	Krempp Construction Inc. Top agencies Army (Department of the Army)	$2,416,632	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #79 in FY2025; new.

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100 of 424 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 $2.18 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.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 Y1AZ contractors in FY2023?

1. M. a. Mortenson Companies Inc. ($171M), 2. Walsh Federal LLC ($142M), 3. B.l. Harbert Holdings, L.L.C. ($128M), 4. Sauer Holdings Inc. ($126M), 5. Gilbane Federal ($109M), 6. Manhattan Construction Company ($109M), 7. The Whiting-Turner Contracting Company ($85.2M), 8. Pacific Rim Constructors Inc. ($74M), 9. Herve Cody Contractor LLC ($64.8M), 10. Hensel Phelps Construction Co ($59.1M).

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