Top 100 Contractors in PSC C1DA: Architect and Engineering – Construction: Hospitals and Infirmaries, FY2024

Name: Top 100 Contractors in PSC C1DA: Architect and Engineering – Construction: Hospitals and Infirmaries, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 39% of FY2024 PSC C1DA contract dollars

Contract obligations: $369,621,919 Net of deobligations, by contracts coded PSC C1DA
Contractors: 196 Parent companies with an obligation
Largest contractor: Smithgroup, Inc. $44.7 million, 11.4% 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	Smithgroup, Inc. Top agencies HHS (Department of Health and Human Services)	$44,709,892	11.4%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
2	LEO A. Daly LLC Top agencies VA (Department of Veterans Affairs)	$21,674,037	5.5%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
3	Awen Solutions Group, LLC Top agencies VA (Department of Veterans Affairs)	$13,449,837	3.4%	Rank history: not on the FY2021 list, #10 in FY2022, #7 in FY2023 and #20 in FY2025; up 4 since FY2023.
4	AE Works Ltd 2 awardees Top agencies VA (Department of Veterans Affairs)	$12,925,406	3.3%	Rank history: #64 in FY2021, #16 in FY2022, #17 in FY2023 and #28 in FY2025; up 13 since FY2023.
5	Spees-Hernandez JV LLC Through Spees LLC Top agencies VA (Department of Veterans Affairs)	$10,545,949	2.7%	Rank history: #9 in FY2021, #3 in FY2022, #2 in FY2023 and #3 in FY2025; down 3 since FY2023.
6	Valhalla Engineering Group LLC Top agencies VA (Department of Veterans Affairs)	$10,235,887	2.6%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and #8 in FY2025; up 15 since FY2023.
7	RDC JPA Architecture, L.L.L.P. Top agencies VA (Department of Veterans Affairs)	$10,206,681	2.6%	Rank history: #41 in FY2021, #5 in FY2022, #11 in FY2023 and #13 in FY2025; up 4 since FY2023.
8	Miller-Remick, LLC Top agencies VA (Department of Veterans Affairs)	$9,650,001	2.5%	Rank history: #15 in FY2021, #13 in FY2022, #16 in FY2023 and #4 in FY2025; up 8 since FY2023.
9	Romanyk Consulting Corporation Top agencies VA (Department of Veterans Affairs)	$9,171,322	2.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 93 since FY2023.
10	Alesia Architecture PC Top agencies VA (Department of Veterans Affairs)	$8,505,220	2.2%	Rank history: #33 in FY2021, #23 in FY2022, #15 in FY2023 and #24 in FY2025; up 5 since FY2023.
11	Health Facility Solutions Company 2 awardees Top agencies VA (Department of Veterans Affairs)	$8,034,393	2.1%	Rank history: #27 in FY2021, #24 in FY2022, #33 in FY2023 and #16 in FY2025; up 22 since FY2023.
12	Specialized Engineering Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$7,107,264	1.8%	Rank history: #25 in FY2021, #12 in FY2022, #5 in FY2023 and #22 in FY2025; down 7 since FY2023.
13	Triple C-The A & E Group LLC Top agencies VA (Department of Veterans Affairs)	$7,013,155	1.8%	Rank history: #4 in FY2021, #7 in FY2022, #6 in FY2023 and #34 in FY2025; down 7 since FY2023.
14	Spur Design LLC Top agencies VA (Department of Veterans Affairs)	$6,817,424	1.7%	Rank history: #6 in FY2021, #18 in FY2022, #13 in FY2023 and #5 in FY2025; down 1 since FY2023.
15	Apogee Consulting Group, P.a. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$6,635,061	1.7%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and #2 in FY2025; down 12 since FY2023.
16	GEO. Bancroft Engineering LLC Top agencies VA (Department of Veterans Affairs)	$6,552,285	1.7%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and #11 in FY2025; up 19 since FY2023.
17	Toland Mizell Molnar LLC Top agencies VA (Department of Veterans Affairs)	$6,513,166	1.7%	Rank history: #21 in FY2021, #15 in FY2022, #29 in FY2023 and #45 in FY2025; up 12 since FY2023.
18	National Facility Solutions LLC Through Enviros LLC Top agencies VA (Department of Veterans Affairs)	$6,454,692	1.6%	Rank history: not on the FY2021 list, #54 in FY2022, #94 in FY2023 and #96 in FY2025; up 76 since FY2023.
19	CB Design Group, Inc. Top agencies VA (Department of Veterans Affairs)	$5,391,629	1.4%	Rank history: #19 in FY2021, #8 in FY2022, #23 in FY2023 and #15 in FY2025; up 4 since FY2023.
20	Above Group Inc. Top agencies VA (Department of Veterans Affairs)	$4,853,214	1.2%	Rank history: #100 in FY2021, #46 in FY2022, #30 in FY2023 and #6 in FY2025; up 10 since FY2023.
21	Northeast Infrastructure LLC Top agencies VA (Department of Veterans Affairs)	$4,725,488	1.2%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #18 in FY2025; up 15 since FY2023.
22	FFE - Heapy Jv-Ii, LLC Top agencies VA (Department of Veterans Affairs)	$4,675,118	1.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
23	Anderson Engineering of Minnesota, LLC Top agencies VA (Department of Veterans Affairs)	$4,345,536	1.1%	Rank history: #13 in FY2021, #27 in FY2022, #34 in FY2023 and #29 in FY2025; up 11 since FY2023.
24	Charlotte Engineers-Guidon JV LLC Top agencies VA (Department of Veterans Affairs)	$3,956,648	1.0%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023 and #94 in FY2025; down 4 since FY2023.
25	RTX Corporation Through Noresco, LLC Top agencies VA (Department of Veterans Affairs)	$3,946,673	1.0%	Rank history: #22 in FY2021, not on the FY2022 list, #18 in FY2023 and not on the FY2025 list; down 7 since FY2023.
26	The Steelhead Engineering Company, LLC Top agencies HHS (Department of Health and Human Services)	$3,862,644	1.0%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2025; new.
27	K.f. Davis Engineering, Inc. Top agencies HHS (Department of Health and Human Services)	$3,806,261	1.0%	Rank history: #96 in FY2021, #93 in FY2022, #44 in FY2023 and not on the FY2025 list; up 17 since FY2023.
28	Vali Cooper International LLC Top agencies VA (Department of Veterans Affairs)	$3,727,856	1.0%	Rank history: #30 in FY2021, not on the FY2022 list, #32 in FY2023 and #39 in FY2025; up 4 since FY2023.
29	CB Design & Huitt Zollars Joint Venture, LLC Top agencies VA (Department of Veterans Affairs)	$3,715,864	0.9%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
30	Johnson, Smitthipong & Rosamond Associates, Inc. Top agencies HHS (Department of Health and Human Services)	$3,706,894	0.9%	Rank history: #20 in FY2021, #52 in FY2022, #52 in FY2023 and #25 in FY2025; up 22 since FY2023.
31	FFE Environmental Services Inc Top agencies VA (Department of Veterans Affairs)	$3,649,042	0.9%	Rank history: #16 in FY2021, #21 in FY2022, #57 in FY2023 and #26 in FY2025; up 26 since FY2023.
32	DAV Energy Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$3,626,069	0.9%	Rank history: #45 in FY2021, #14 in FY2022, #43 in FY2023 and #7 in FY2025; up 11 since FY2023.
33	Rdc+Ea, L.L.L.P. Top agencies VA (Department of Veterans Affairs)	$3,325,441	0.8%	Rank history: not on the FY2021 list, #47 in FY2022, #66 in FY2023 and #52 in FY2025; up 33 since FY2023.
34	Charlotte Engineers, LLP Top agencies VA (Department of Veterans Affairs)	$3,199,970	0.8%	Rank history: #99 in FY2021, #37 in FY2022, #80 in FY2023 and #64 in FY2025; up 46 since FY2023.
35	Fourfront Design Inc. Top agencies VA (Department of Veterans Affairs)	$3,143,380	0.8%	Rank history: #55 in FY2021, #43 in FY2022, #65 in FY2023 and #41 in FY2025; up 30 since FY2023.
36	AES Group Inc. Top agencies VA (Department of Veterans Affairs)	$3,109,687	0.8%	Rank history: #51 in FY2021, #74 in FY2022, #60 in FY2023 and #54 in FY2025; up 24 since FY2023.
37	FFE - Heapy JV, LLC Top agencies VA (Department of Veterans Affairs)	$3,013,026	0.8%	Rank history: #59 in FY2021, #17 in FY2022, #10 in FY2023 and #92 in FY2025; down 27 since FY2023.
38	Stone Group Architects, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$2,999,034	0.8%	Rank history: #34 in FY2021, #34 in FY2022, #22 in FY2023 and #32 in FY2025; down 16 since FY2023.
39	Derby Enterprises LLC Top agencies VA (Department of Veterans Affairs)	$2,883,954	0.7%	Rank history: #73 in FY2021, #40 in FY2022, not on the FY2023 list and #33 in FY2025; up 125 since FY2023.
40	Alliance Consulting Group Seven Generations AE JV LLC Top agencies VA (Department of Veterans Affairs)	$2,450,062	0.6%	Rank history: #14 in FY2021, #77 in FY2022, #67 in FY2023 and #81 in FY2025; up 27 since FY2023.
41	Blue Trident, LLC Top agencies VA (Department of Veterans Affairs)	$2,386,509	0.6%	Rank history: #53 in FY2021, #44 in FY2022, #58 in FY2023 and #66 in FY2025; up 17 since FY2023.
42	Guidon-Charlotte Engineers Sdvosb JV LLC Top agencies VA (Department of Veterans Affairs)	$2,361,647	0.6%	Rank history: not on the FY2021 list, #31 in FY2022, #47 in FY2023 and #37 in FY2025; up 5 since FY2023.
43	Tls-Ces Services I, LLC Top agencies VA (Department of Veterans Affairs)	$2,274,519	0.6%	Rank history: #87 in FY2021, #11 in FY2022, #46 in FY2023 and #12 in FY2025; up 3 since FY2023.
44	Gdm-Ae, Inc. Top agencies VA (Department of Veterans Affairs)	$2,267,167	0.6%	Rank history: #12 in FY2021, #29 in FY2022, #8 in FY2023 and #17 in FY2025; down 36 since FY2023.
45	L2E-Oculus JV Top agencies VA (Department of Veterans Affairs)	$2,181,125	0.6%	Rank history: not on the FY2021 list, #72 in FY2022, #82 in FY2023 and #73 in FY2025; up 37 since FY2023.
46	Encorus Group Engineering, P.C. Top agencies VA (Department of Veterans Affairs)	$2,011,296	0.5%	Rank history: #43 in FY2021, #56 in FY2022, #84 in FY2023 and not on the FY2025 list; up 38 since FY2023.
47	Paradigm Engineers and Constructors, PLLC Top agencies VA (Department of Veterans Affairs)	$1,960,907	0.5%	Rank history: #57 in FY2021, #30 in FY2022, #88 in FY2023 and #78 in FY2025; up 41 since FY2023.
48	Stone HFG Architecture, LLC Top agencies VA (Department of Veterans Affairs)	$1,875,770	0.5%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2023 and not on the FY2025 list; up 22 since FY2023.
49	RGD Consulting Engineers Orlando, LLC 2 awardees Top agencies VA (Department of Veterans Affairs)	$1,875,589	0.5%	Rank history: #95 in FY2021, not on the FY2022 list, #28 in FY2023 and #65 in FY2025; down 21 since FY2023.
50	Seven Generations Architecture & Engineering LLC Top agencies HHS (Department of Health and Human Services)	$1,816,381	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
51	TEC - Tecnicos Construtores Limitada Top agencies USAID (US Agency for International Development)	$1,750,615	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
52	Anderson-Imeg JV LLC Top agencies VA (Department of Veterans Affairs)	$1,735,418	0.4%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2025; new.
53	Thinkform Design Architect LLC Top agencies VA (Department of Veterans Affairs)	$1,705,568	0.4%	Rank history: #85 in FY2021, #35 in FY2022, #25 in FY2023 and #40 in FY2025; down 28 since FY2023.
54	H2B Inc Top agencies VA (Department of Veterans Affairs)	$1,685,668	0.4%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
55	Bravo Zulu LLC Top agencies VA (Department of Veterans Affairs)	$1,593,649	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
56	Watson Engineering, PC Top agencies VA (Department of Veterans Affairs)	$1,533,085	0.4%	Rank history: not on the FY2021 list, #97 in FY2022, #41 in FY2023 and #60 in FY2025; down 15 since FY2023.
57	Atriax, P.L.L.C. Top agencies VA (Department of Veterans Affairs)	$1,505,530	0.4%	Rank history: #18 in FY2021, #32 in FY2022, #27 in FY2023 and #85 in FY2025; down 30 since FY2023.
58	Penn Construction Group, Incorporated Top agencies VA (Department of Veterans Affairs)	$1,460,334	0.4%	Rank history: #69 in FY2021, #87 in FY2022, #51 in FY2023 and #55 in FY2025; down 7 since FY2023.
59	LEO a Daly and Huitt Zollars, a Joint Venture 2 awardees, including LEO A. Daly LLC Top agencies VA (Department of Veterans Affairs)	$1,420,626	0.4%	Rank history: #48 in FY2021, not on the FY2022 list, #1 in FY2023 and not on the FY2025 list; down 58 since FY2023.
60	Planate Management Group LLC Top agencies VA (Department of Veterans Affairs)	$1,378,325	0.4%	Rank history: #39 in FY2021, #51 in FY2022, #26 in FY2023 and #48 in FY2025; down 34 since FY2023.
61	H.F. Lenz Co Top agencies VA (Department of Veterans Affairs)	$1,335,922	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
62	Alares LLC Top agencies VA (Department of Veterans Affairs)	$1,333,377	0.3%	Rank history: #62 in FY2021, #65 in FY2022, #68 in FY2023 and not on the FY2025 list; up 6 since FY2023.
63	Noresco, LLC Top agencies VA (Department of Veterans Affairs)	$1,313,827	0.3%	Rank history: #1 in FY2021, #6 in FY2022, not on the FY2023 list and #10 in FY2025; returned.
64	HDR Inc. Through HDR Engineering Inc. Top agencies Army (Department of the Army)	$1,312,289	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
65	Obrien Engineering Inc 2 awardees Top agencies VA (Department of Veterans Affairs)	$1,290,259	0.3%	Rank history: #37 in FY2021, #41 in FY2022, #63 in FY2023 and #62 in FY2025; down 2 since FY2023.
66	Acela Architects + Engineers PC Top agencies VA (Department of Veterans Affairs)	$1,262,025	0.3%	Rank history: #7 in FY2021, #38 in FY2022, #19 in FY2023 and #56 in FY2025; down 47 since FY2023.
67	Mccaslin & Associates, Architects, Inc. Top agencies VA (Department of Veterans Affairs)	$1,254,384	0.3%	Rank history: not on the FY2021 list, #89 in FY2022, #38 in FY2023 and not on the FY2025 list; down 29 since FY2023.
68	Citrine-Olsson JV 2 LLC Top agencies VA (Department of Veterans Affairs)	$1,202,512	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
69	Harrell Design Group PC Top agencies VA (Department of Veterans Affairs)	$1,179,653	0.3%	Rank history: #50 in FY2021, #81 in FY2022, #48 in FY2023 and #19 in FY2025; down 21 since FY2023.
70	Childers I HP, LLC Top agencies HHS (Department of Health and Human Services)	$1,115,078	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
71	Miller-Remick - Michael Baker International JV Top agencies VA (Department of Veterans Affairs)	$1,110,068	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
72	Aesus Design Group LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,048,117	0.3%	Rank history: #67 in FY2021, #19 in FY2022, #14 in FY2023 and #30 in FY2025; down 58 since FY2023.
73	Enapay, LLC Top agencies VA (Department of Veterans Affairs)	$1,031,419	0.3%	Rank history: #52 in FY2021, #82 in FY2022, #97 in FY2023 and #97 in FY2025; up 24 since FY2023.
74	Guidon MES JV, LLC Top agencies VA (Department of Veterans Affairs)	$1,030,782	0.3%	Rank history: not on the FY2021 list, #92 in FY2022, #53 in FY2023 and #83 in FY2025; down 21 since FY2023.
75	Damberg Scott Gerzina Wagner Architects, Inc. Top agencies HHS (Department of Health and Human Services)	$1,008,080	0.3%	Rank history: #40 in FY2021, #80 in FY2022, not on the FY2023 list and not on the FY2025 list; up 29 since FY2023.
76	Guidon-Cmta Sdvosb JV, LLC Top agencies VA (Department of Veterans Affairs)	$991,627	0.3%	Rank history: #58 in FY2021, not on the FY2022 list, #50 in FY2023 and not on the FY2025 list; down 26 since FY2023.
77	Apogee-Cems JV LLC Top agencies VA (Department of Veterans Affairs)	$980,186	0.3%	Rank history: #17 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; up 89 since FY2023.
78	Integrated Infrastructure Partners JV, LLC Top agencies HHS (Department of Health and Human Services)	$946,239	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; new.
79	Schwab Engineering, Inc. Top agencies VA (Department of Veterans Affairs)	$924,922	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Guidon-Ses JV LLC Top agencies VA (Department of Veterans Affairs)	$903,771	0.2%	Rank history: not on the FY2021 list, #36 in FY2022, #39 in FY2023 and #68 in FY2025; down 41 since FY2023.
81	M Plus Stone HFG LLC Top agencies VA (Department of Veterans Affairs)	$894,098	0.2%	Rank history: not on the FY2021 list, #70 in FY2022, #54 in FY2023 and not on the FY2025 list; down 27 since FY2023.
82	Guidon Design Inc. Top agencies VA (Department of Veterans Affairs)	$883,429	0.2%	Rank history: #10 in FY2021, #26 in FY2022, #96 in FY2023 and #31 in FY2025; up 14 since FY2023.
83	Arlos Group, LLC Top agencies VA (Department of Veterans Affairs)	$873,264	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	Serralharia E Construcoes Nasser, LDA Top agencies USAID (US Agency for International Development)	$833,357	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
85	Schwab, Jerome Top agencies VA (Department of Veterans Affairs)	$824,283	0.2%	Rank history: not on the FY2021 list, #68 in FY2022, #69 in FY2023 and #80 in FY2025; down 16 since FY2023.
86	The Pettit Group, LLC Top agencies VA (Department of Veterans Affairs)	$806,723	0.2%	Rank history: not on the FY2021 list, #84 in FY2022, not on the FY2023 list and #91 in FY2025; returned.
87	Honor Service Company Top agencies VA (Department of Veterans Affairs)	$785,829	0.2%	Rank history: not on the FY2021 list, #86 in FY2022, #71 in FY2023 and #47 in FY2025; down 16 since FY2023.
88	Raymond Pond Sdvosb JV, LLC Top agencies VA (Department of Veterans Affairs)	$765,984	0.2%	Rank history: not on the FY2021 list, #39 in FY2022, #75 in FY2023 and not on the FY2025 list; down 13 since FY2023.
89	West Point Engineers LLC Top agencies VA (Department of Veterans Affairs)	$741,689	0.2%	Rank history: #54 in FY2021, #28 in FY2022, #45 in FY2023 and #35 in FY2025; down 44 since FY2023.
90	MEI Architects Top agencies HHS (Department of Health and Human Services)	$736,561	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
91	Health Facilities Group LLC Top agencies HHS (Department of Health and Human Services)	$728,246	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 53 since FY2023.
92	Consolidated Edison Through RWE Clean Energy Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$715,629	0.2%	Rank history: #76 in FY2021, #1 in FY2022, #86 in FY2023 and not on the FY2025 list; down 6 since FY2023.
93	SSPC LLC Top agencies VA (Department of Veterans Affairs)	$687,457	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	Burns Wald-Hopkins Shambach Architects, Inc. Top agencies HHS (Department of Health and Human Services)	$648,106	0.2%	Rank history: #97 in FY2021, #50 in FY2022, #83 in FY2023 and #76 in FY2025; down 11 since FY2023.
95	Mabbett & Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$626,952	0.2%	Rank history: #88 in FY2021, not on the FY2022 list, #61 in FY2023 and not on the FY2025 list; down 34 since FY2023.
96	Fellenzer Engineering LLP Top agencies VA (Department of Veterans Affairs)	$624,422	0.2%	Rank history: #36 in FY2021, #63 in FY2022, #59 in FY2023 and #51 in FY2025; down 37 since FY2023.
97	BK Enterprise, Inc. Top agencies USAID (US Agency for International Development)	$621,259	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
98	Berners-Schober Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$604,805	0.2%	Rank history: #68 in FY2021, #67 in FY2022, #78 in FY2023 and #58 in FY2025; down 20 since FY2023.
99	Perspectus Architecture LLC Top agencies VA (Department of Veterans Affairs)	$603,205	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	RWE Clean Energy Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$582,275	0.1%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.

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100 of 196 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 $392 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 C1DA contractors in FY2024?

1. Smithgroup, Inc. ($44.7M), 2. LEO A. Daly LLC ($21.7M), 3. Awen Solutions Group, LLC ($13.4M), 4. AE Works Ltd ($12.9M), 5. Spees-Hernandez JV LLC ($10.5M), 6. Valhalla Engineering Group LLC ($10.2M), 7. RDC JPA Architecture, L.L.L.P. ($10.2M), 8. Miller-Remick, LLC ($9.65M), 9. Romanyk Consulting Corporation ($9.17M), 10. Alesia Architecture PC ($8.51M).

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