Top 100 Contractors in NAICS 61143: Professional and Management Development Training, Jul 2025–Jun 2026

Name: Top 100 Contractors in NAICS 61143: Professional and Management Development Training, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 43% of NAICS 61143 contract dollars from July 2025 through June 2026

Contract obligations: $712,885,586 Net of deobligations, by contracts coded NAICS 61143 or a code under it
Contractors: 967 Parent companies with an obligation
Largest contractor: Amentum Holdings, Inc. $90 million, 11.7% 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	Amentum Holdings, Inc. 2 awardees, including Amentum Technology, Inc. and Amentum Services, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$89,981,711	11.7%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; up 4 since Jul 2024–Jun 2025.
2	Deep Mile Networks LLC Top agencies DHA (Defense Health Agency)	$61,006,453	7.9%	Rank history: not on the FY2021–FY2022 lists, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
3	The Boeing Company 2 awardees Top agencies USAF (Department of the Air Force) WHS (DOD Washington Headquarters Service)	$57,010,288	7.4%	Rank history: not on the FY2021–FY2023 lists, #4 in FY2024 and #4 in FY2025; down 2 since Jul 2024–Jun 2025.
4	Deloitte Through Deloitte Consulting LLP Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) Navy (Department of the Navy)	$38,778,642	5.0%	Rank history: #79 in FY2021, #86 in FY2022, not on the FY2023 list, #2 in FY2024 and #2 in FY2025; unchanged since Jul 2024–Jun 2025.
5	Aleut Management Services, LLC Top agencies USAF (Department of the Air Force)	$19,497,052	2.5%	Rank history: not on the FY2021–FY2023 lists, #26 in FY2024 and #6 in FY2025; up 4 since Jul 2024–Jun 2025.
6	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top agencies DHS (Department of Homeland Security)	$17,836,903	2.3%	Rank history: #32 in FY2021, #10 in FY2022, #9 in FY2023, #8 in FY2024 and #7 in FY2025; up 2 since Jul 2024–Jun 2025.
7	Goldbelt Apex, LLC Top agencies Army (Department of the Army)	$14,137,110	1.8%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023, #15 in FY2024 and #9 in FY2025; up 7 since Jul 2024–Jun 2025.
8	Higherechelon, Inc. Top agencies Army (Department of the Army)	$13,360,253	1.7%	Rank history: not on the FY2021 list, #46 in FY2022, #45 in FY2023, #12 in FY2024 and #8 in FY2025; up 4 since Jul 2024–Jun 2025.
9	Arctic Slope Regional Corporation 3 awardees, including Asrc Federal Technology Solutions, LLC, Agile Decision Sciences, LLC and Asrc Federal Cyber, LLC Top agencies Commerce (Department of Commerce) Army (Department of the Army) Navy (Department of the Navy)	$10,178,091	1.3%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Jul 2024–Jun 2025.
10	Precise Federal Consulting LLC Top agencies HHS (Department of Health and Human Services)	$9,899,794	1.3%	Rank history: #22 in FY2021, #19 in FY2022, #15 in FY2023, #19 in FY2024 and #16 in FY2025; up 10 since Jul 2024–Jun 2025.
11	Tipping Point Solutions, Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation)	$9,489,157	1.2%	Rank history: #29 in FY2021, #18 in FY2022, #32 in FY2023, #16 in FY2024 and #18 in FY2025; up 10 since Jul 2024–Jun 2025.
12	Parker Tide LLC Top agencies Commerce (Department of Commerce) Navy (Department of the Navy) NTSB (National Transportation Safety Board)	$9,410,620	1.2%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023, #56 in FY2024 and not on the FY2025 list; up 41 since Jul 2024–Jun 2025.
13	Guzman & Griffin Technologies, Inc. Top agencies DOT (Department of Transportation)	$9,064,771	1.2%	Rank history: #24 in FY2021, #12 in FY2022, #16 in FY2023, #14 in FY2024 and #17 in FY2025; up 2 since Jul 2024–Jun 2025.
14	Management Concepts, Inc. Top agencies GSA (General Services Administration) DOL (Department of Labor) Army (Department of the Army)	$8,955,625	1.2%	Rank history: #8 in FY2021, #9 in FY2022, #7 in FY2023, #9 in FY2024 and #13 in FY2025; down 1 since Jul 2024–Jun 2025.
15	C2 Technologies, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$8,795,240	1.1%	Rank history: #34 in FY2021, #26 in FY2022, #38 in FY2023, #23 in FY2024 and #20 in FY2025; up 4 since Jul 2024–Jun 2025.
16	Carley Corporation Top agencies Navy (Department of the Navy)	$7,536,711	1.0%	Rank history: not on the FY2021–FY2023 lists, #41 in FY2024 and not on the FY2025 list; up 23 since Jul 2024–Jun 2025.
17	Redhorse Corporation Top agencies OSD (Office of the Secretary of Defense) DOI (Department of the Interior)	$7,406,286	1.0%	Rank history: #9 in FY2021, #8 in FY2022, #6 in FY2023, #6 in FY2024 and #5 in FY2025; down 6 since Jul 2024–Jun 2025.
18	OSI Vision LLC Top agencies NASA (National Aeronautics and Space Administration)	$7,296,916	0.9%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023, #34 in FY2024 and #25 in FY2025; up 36 since Jul 2024–Jun 2025.
19	LNO Inc. Top agencies Army (Department of the Army)	$7,294,307	0.9%	Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and #21 in FY2025; up 7 since Jul 2024–Jun 2025.
20	Chitra Productions LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$6,379,204	0.8%	Rank history: not on the FY2021–FY2023 lists, #13 in FY2024 and #14 in FY2025; down 4 since Jul 2024–Jun 2025.
21	Data Management Services Inc. Top agencies DOT (Department of Transportation)	$6,080,589	0.8%	Rank history: #55 in FY2021, #34 in FY2022, #35 in FY2023, #46 in FY2024 and #27 in FY2025; up 12 since Jul 2024–Jun 2025.
22	Miami Environmental & Energy Solutions LLC Top agencies HHS (Department of Health and Human Services)	$5,948,735	0.8%	Rank history: not on the FY2021 list, #41 in FY2022, #25 in FY2023, #29 in FY2024 and #26 in FY2025; up 6 since Jul 2024–Jun 2025.
23	Sgc23 Joint Venture LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$5,919,103	0.8%	Rank history: #65 in FY2021, #28 in FY2022, #19 in FY2023, #48 in FY2024 and #34 in FY2025; up 38 since Jul 2024–Jun 2025.
24	Calibre Systems Inc. Top agencies OPM (Office of Personnel Management) Army (Department of the Army)	$5,901,071	0.8%	Rank history: #17 in FY2021, #13 in FY2022, #17 in FY2023, #20 in FY2024 and #22 in FY2025; unchanged since Jul 2024–Jun 2025.
25	Oneida Professional Services LLC Top agencies DMA (Defense Media Activity)	$5,169,276	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
26	Choisys Technology Inc. Top agencies Army (Department of the Army)	$4,778,160	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
27	R3 Government Solutions, LLC Top agencies DHS (Department of Homeland Security)	$4,742,736	0.6%	Rank history: #83 in FY2021, #96 in FY2022, #36 in FY2023, #37 in FY2024 and #32 in FY2025; new, not ranked in Jul 2024–Jun 2025.
28	Pherson Associates, LLC Top agencies DCSA (Defense Counterintelligence and Security Agency) DHS (Department of Homeland Security)	$4,479,243	0.6%	Rank history: not on the FY2021 list, #49 in FY2022, #61 in FY2023, #31 in FY2024 and #28 in FY2025; down 5 since Jul 2024–Jun 2025.
29	Gb5Ts, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$4,212,764	0.5%	Rank history: not on the FY2021–FY2024 lists and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
30	Coursera, Inc. Top agencies OSD (Office of the Secretary of Defense)	$4,200,000	0.5%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023, #66 in FY2024 and #57 in FY2025; up 32 since Jul 2024–Jun 2025.
31	Burningcastle, LLC Top agencies Army (Department of the Army)	$4,186,087	0.5%	Rank history: not on the FY2021 list, #80 in FY2022, #24 in FY2023, #27 in FY2024 and #29 in FY2025; up 9 since Jul 2024–Jun 2025.
32	Avani Services, LLC Top agencies USAF (Department of the Air Force) DHRA (Defense Human Resources Activity)	$3,694,448	0.5%	Rank history: not on the FY2021–FY2025 lists; up 58 since Jul 2024–Jun 2025.
33	Bloomsburie LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) USDA (Department of Agriculture)	$3,671,912	0.5%	Rank history: #85 in FY2021, #48 in FY2022, #37 in FY2023, #50 in FY2024 and #64 in FY2025; up 12 since Jul 2024–Jun 2025.
34	General Dynamics Corporation 4 awardees, including General Dynamics Information Technology, Inc., Gulfstream Aerospace Corporation and General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$3,657,741	0.5%	Rank history: #10 in FY2021, #11 in FY2022, #13 in FY2023, #21 in FY2024 and #19 in FY2025; down 12 since Jul 2024–Jun 2025.
35	Janus Research Group, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$3,649,214	0.5%	Rank history: #5 in FY2021, #3 in FY2022, #4 in FY2023, #5 in FY2024 and #11 in FY2025; down 29 since Jul 2024–Jun 2025.
36	Greenman-Pedersen Inc. Top agencies DOT (Department of Transportation)	$3,629,000	0.5%	Rank history: #69 in FY2021, #52 in FY2022, #89 in FY2023, #51 in FY2024 and #35 in FY2025; up 1 since Jul 2024–Jun 2025.
37	Team Carney, Inc. Top agencies DHS (Department of Homeland Security) DCSA (Defense Counterintelligence and Security Agency) DOI (Department of the Interior)	$3,426,758	0.4%	Rank history: #37 in FY2021, #24 in FY2022, #11 in FY2023, #11 in FY2024 and #12 in FY2025; down 30 since Jul 2024–Jun 2025.
38	CGI Federal Inc. Top agencies DOT (Department of Transportation)	$3,185,305	0.4%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; up 101 since Jul 2024–Jun 2025.
39	Veracity Technology Consultants LLC Top agencies OPM (Office of Personnel Management)	$3,159,366	0.4%	Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and #43 in FY2025; down 8 since Jul 2024–Jun 2025.
40	Ldss, Inc. Top agencies NSF (National Science Foundation)	$3,103,450	0.4%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; up 228 since Jul 2024–Jun 2025.
41	RTX Corporation 3 awardees, including Raytheon Company Top agencies WHS (DOD Washington Headquarters Service)	$2,921,289	0.4%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023, #54 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
42	Purdy Group LLC Through Aquila Spirit - Purdy Group JV LLC Top agencies Navy (Department of the Navy)	$2,899,587	0.4%	Rank history: not on the FY2021 list, #55 in FY2022, #46 in FY2023, not on the FY2024 list and #46 in FY2025; new, not ranked in Jul 2024–Jun 2025.
43	Workingsmarts, Inc. Top agencies DHA (Defense Health Agency)	$2,841,110	0.4%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Jul 2024–Jun 2025.
44	Aleut Information Technology, LLC Top agencies USAF (Department of the Air Force)	$2,696,442	0.4%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023, #75 in FY2024 and #54 in FY2025; up 23 since Jul 2024–Jun 2025.
45	Coho Integrated Solutions, LLC Top agencies Navy (Department of the Navy)	$2,570,726	0.3%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; new, not ranked in Jul 2024–Jun 2025.
46	Rigil Corporation Top agencies DOT (Department of Transportation)	$2,421,166	0.3%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; up 76 since Jul 2024–Jun 2025.
47	A P Ventures, LLC Top agencies USAF (Department of the Air Force) DOL (Department of Labor)	$2,395,321	0.3%	Rank history: #56 in FY2021, #37 in FY2022, #42 in FY2023, #55 in FY2024 and #52 in FY2025; up 18 since Jul 2024–Jun 2025.
48	Novaces, LLC Top agencies Navy (Department of the Navy)	$2,392,025	0.3%	Rank history: #21 in FY2021, not on the FY2022 list, #40 in FY2023, #43 in FY2024 and #31 in FY2025; down 10 since Jul 2024–Jun 2025.
49	Learning for Work LLC Top agencies Navy (Department of the Navy)	$2,363,369	0.3%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 115 since Jul 2024–Jun 2025.
50	University of North Carolina At Chapel Hill Top agencies VA (Department of Veterans Affairs)	$2,297,328	0.3%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and #51 in FY2025; up 18 since Jul 2024–Jun 2025.
51	The Arbinger Company Top agencies Navy (Department of the Navy)	$2,280,743	0.3%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023, #72 in FY2024 and not on the FY2025 list; up 84 since Jul 2024–Jun 2025.
52	Business Management Research Associates, Inc. Top agencies OSD (Office of the Secretary of Defense) DISA (Defense Information Systems Agency) VA (Department of Veterans Affairs)	$2,264,176	0.3%	Rank history: not on the FY2021–FY2023 lists, #49 in FY2024 and #90 in FY2025; up 8 since Jul 2024–Jun 2025.
53	Tetra Tech, Inc. Through Pro-Telligent, LLC Top agencies DOS (Department of State)	$2,200,757	0.3%	Rank history: #4 in FY2021, #4 in FY2022, #8 in FY2023, #10 in FY2024 and #55 in FY2025; down 24 since Jul 2024–Jun 2025.
54	Island Empire Technology Systems LLC Top agencies DCSA (Defense Counterintelligence and Security Agency)	$2,162,377	0.3%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023, #71 in FY2024 and #75 in FY2025; up 32 since Jul 2024–Jun 2025.
55	Relx Inc. Through Elsevier Inc. Top agencies DHA (Defense Health Agency) Navy (Department of the Navy)	$2,135,172	0.3%	Rank history: not on the FY2021–FY2025 lists; up 280 since Jul 2024–Jun 2025.
56	American Indian Health & Services Corporation Through Webmd Health Corp. Top agencies HHS (Department of Health and Human Services)	$2,102,947	0.3%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and #42 in FY2025; up 3 since Jul 2024–Jun 2025.
57	Ideation Inc. Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation)	$2,070,345	0.3%	Rank history: not on the FY2021 list, #75 in FY2022, not on the FY2023 list, #52 in FY2024 and #48 in FY2025; up 19 since Jul 2024–Jun 2025.
58	Betterup, Inc. Top agencies Navy (Department of the Navy) Treasury (Department of the Treasury)	$2,058,705	0.3%	Rank history: #45 in FY2021, #27 in FY2022 and not on the FY2023–FY2025 lists; up 119 since Jul 2024–Jun 2025.
59	Human Capital Resources and Concepts, Inc. Top agencies EPA (Environmental Protection Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$2,034,770	0.3%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023, #81 in FY2024 and #58 in FY2025; up 13 since Jul 2024–Jun 2025.
60	Reed Integration, Inc. Top agencies DHS (Department of Homeland Security)	$2,032,234	0.3%	Rank history: #72 in FY2021, not on the FY2022–FY2024 lists and #38 in FY2025; up 11 since Jul 2024–Jun 2025.
61	JRC Integrated Systems, LLC Top agencies WHS (DOD Washington Headquarters Service)	$1,999,992	0.3%	Rank history: not on the FY2021–FY2023 lists, #79 in FY2024 and #60 in FY2025; up 14 since Jul 2024–Jun 2025.
62	Constant Solutions, LLC Top agencies DHS (Department of Homeland Security)	$1,938,145	0.3%	Rank history: not on the FY2021–FY2023 lists, #77 in FY2024 and #62 in FY2025; up 11 since Jul 2024–Jun 2025.
63	Amananet, Inc. Top agencies DHRA (Defense Human Resources Activity)	$1,932,263	0.3%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023, #39 in FY2024 and #95 in FY2025; down 20 since Jul 2024–Jun 2025.
64	II Corps Consultants, Inc. Top agencies DOJ (Department of Justice)	$1,893,434	0.2%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
65	Ampp Global Center Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,876,283	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
66	Omna International LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$1,661,383	0.2%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023, not on the FY2024 list and #98 in FY2025; up 45 since Jul 2024–Jun 2025.
67	Mccolm & Company LLC Top agencies DOS (Department of State)	$1,660,321	0.2%	Rank history: not on the FY2021 list, #70 in FY2022, #51 in FY2023, #68 in FY2024 and #77 in FY2025; down 4 since Jul 2024–Jun 2025.
68	Old Harbor Solutions LLC Top agencies DHS (Department of Homeland Security)	$1,650,636	0.2%	Rank history: not on the FY2021–FY2023 lists, #97 in FY2024 and #71 in FY2025; up 20 since Jul 2024–Jun 2025.
69	Gabriel Enterprises Consulting Group LLC Top agencies DODIG (Department of Defense Inspector General)	$1,603,307	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
70	Center for Creative Leadership Top agencies DCSA (Defense Counterintelligence and Security Agency)	$1,535,880	0.2%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2023, #84 in FY2024 and #85 in FY2025; up 37 since Jul 2024–Jun 2025.
71	O2X Human Performance, LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DOS (Department of State)	$1,491,530	0.2%	Rank history: not on the FY2021–FY2025 lists; up 82 since Jul 2024–Jun 2025.
72	Linkvisum Consulting Group, Inc. Top agencies DOT (Department of Transportation) DOJ (Department of Justice) Navy (Department of the Navy)	$1,485,208	0.2%	Rank history: #40 in FY2021, #61 in FY2022, not on the FY2023 list, #70 in FY2024 and #50 in FY2025; down 24 since Jul 2024–Jun 2025.
73	Executive Edge Inc. Top agencies OSD (Office of the Secretary of Defense)	$1,443,140	0.2%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and not on the FY2024–FY2025 lists; up 112 since Jul 2024–Jun 2025.
74	Key Strategic Alliance LLC Top agencies Navy (Department of the Navy)	$1,406,884	0.2%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023, #85 in FY2024 and #73 in FY2025; up 36 since Jul 2024–Jun 2025.
75	Green Cell Consulting LLC Top agencies Navy (Department of the Navy)	$1,378,920	0.2%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; up 30 since Jul 2024–Jun 2025.
76	Grey Ghost, LLC Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army)	$1,376,030	0.2%	Rank history: not on the FY2021 list, #69 in FY2022, #49 in FY2023, not on the FY2024 list and #97 in FY2025; new, not ranked in Jul 2024–Jun 2025.
77	Cypress Resources Inc. Top agencies USAF (Department of the Air Force)	$1,373,072	0.2%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; up 26 since Jul 2024–Jun 2025.
78	Career Management International Inc. Top agencies HHS (Department of Health and Human Services)	$1,331,490	0.2%	Rank history: not on the FY2021–FY2025 lists; up 48 since Jul 2024–Jun 2025.
79	Agile Group, LLC Top agencies DHS (Department of Homeland Security)	$1,326,960	0.2%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; up 23 since Jul 2024–Jun 2025.
80	Parents AS Teachers National Center, Inc. Top agencies DOI (Department of the Interior)	$1,325,682	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
81	Nw3C, Inc. Top agencies USAF (Department of the Air Force)	$1,307,184	0.2%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023, not on the FY2024 list and #80 in FY2025; down 23 since Jul 2024–Jun 2025.
82	Prometheus Federal Services LLC Top agencies VA (Department of Veterans Affairs)	$1,301,868	0.2%	Rank history: not on the FY2021–FY2024 lists and #88 in FY2025; new, not ranked in Jul 2024–Jun 2025.
83	Intelitrac Inc. Top agencies USAF (Department of the Air Force)	$1,290,616	0.2%	Rank history: not on the FY2021–FY2024 lists and #92 in FY2025; up 31 since Jul 2024–Jun 2025.
84	LBL Strategies Ltd Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$1,288,524	0.2%	Rank history: not on the FY2021–FY2025 lists; up 46 since Jul 2024–Jun 2025.
85	Gemini Tech Services LLC Top agencies Navy (Department of the Navy)	$1,281,773	0.2%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #67 in FY2025; up 57 since Jul 2024–Jun 2025.
86	Shoulder 2 Shoulder Inc. Top agencies VA (Department of Veterans Affairs)	$1,160,504	0.2%	Rank history: not on the FY2021–FY2025 lists; up 143 since Jul 2024–Jun 2025.
87	Creative Veteran Productions, LLC Top agencies VA (Department of Veterans Affairs)	$1,116,646	0.1%	Rank history: #84 in FY2021, #62 in FY2022, #33 in FY2023, #47 in FY2024 and #36 in FY2025; down 41 since Jul 2024–Jun 2025.
88	Pendaran Inc. Top agencies Navy (Department of the Navy)	$1,107,750	0.1%	Rank history: not on the FY2021–FY2024 lists and #100 in FY2025; up 31 since Jul 2024–Jun 2025.
89	AMA Consulting LLC Top agencies GSA (General Services Administration) DFC (International Development Finance Corporation)	$1,107,498	0.1%	Rank history: not on the FY2021–FY2025 lists; up 163 since Jul 2024–Jun 2025.
90	Enterprise Training Solutions Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,069,123	0.1%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; up 37 since Jul 2024–Jun 2025.
91	T3I Solutions LLC Top agencies USAF (Department of the Air Force)	$1,067,317	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	International Center for Leadership Development Inc. Top agencies Navy (Department of the Navy)	$1,054,787	0.1%	Rank history: not on the FY2021–FY2025 lists; up 149 since Jul 2024–Jun 2025.
93	Stronghold SOF Solutions LLC Top agencies Navy (Department of the Navy)	$1,045,779	0.1%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Jul 2024–Jun 2025.
94	Serco Inc Top agencies DHS (Department of Homeland Security) DHA (Defense Health Agency)	$1,039,731	0.1%	Rank history: not on the FY2021–FY2025 lists; up 82 since Jul 2024–Jun 2025.
95	Salient Crgt, Inc. Top agencies Navy (Department of the Navy)	$1,023,914	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
96	Integration Innovation Inc. Top agencies WHS (DOD Washington Headquarters Service)	$999,913	0.1%	Rank history: not on the FY2021–FY2025 lists; up 33 since Jul 2024–Jun 2025.
97	Technical Assent, LLC Top agencies USAF (Department of the Air Force)	$990,440	0.1%	Rank history: #82 in FY2021, #97 in FY2022, #54 in FY2023, #73 in FY2024 and not on the FY2025 list; down 27 since Jul 2024–Jun 2025.
98	National Institute for Safety Research Inc. Top agencies DOT (Department of Transportation)	$982,136	0.1%	Rank history: not on the FY2021–FY2025 lists; up 22 since Jul 2024–Jun 2025.
99	J3 Consulting LLC Top agencies USDA (Department of Agriculture)	$980,499	0.1%	Rank history: #60 in FY2021, #79 in FY2022, #88 in FY2023, #60 in FY2024 and not on the FY2025 list; down 48 since Jul 2024–Jun 2025.
100	Workforce Innovations JV Top agencies Army (Department of the Army)	$917,824	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.

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100 of 967 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 61143

Code	Net obligations	Largest contractor
611430 Professional and Management Development Training	$712,885,586	Amentum Holdings, 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 $768 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 61143 contractors in Jul 2025–Jun 2026?

1. Amentum Holdings, Inc. ($90M), 2. Deep Mile Networks LLC ($61M), 3. The Boeing Company ($57M), 4. Deloitte ($38.8M), 5. Aleut Management Services, LLC ($19.5M), 6. Leidos Holdings, Inc. ($17.8M), 7. Goldbelt Apex, LLC ($14.1M), 8. Higherechelon, Inc. ($13.4M), 9. Arctic Slope Regional Corporation ($10.2M), 10. Precise Federal Consulting LLC ($9.9M).

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