Top 100 Contractors in NAICS 56192: Convention and Trade Show Organizers, FY2023

Name: Top 100 Contractors in NAICS 56192: Convention and Trade Show Organizers, FY2023
Creator: GovTribe

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

The top 10 won 56% of FY2023 NAICS 56192 contract dollars

Contract obligations: $121,403,871 Net of deobligations, by contracts coded NAICS 56192 or a code under it
Contractors: 243 Parent companies with an obligation
Largest contractor: Techtrans International Inc. $30.7 million, 21.3% 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	Techtrans International Inc. Top agencies Army (Department of the Army)	$30,746,552	21.3%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Professional and Scientific Associates Inc. Top agencies Commerce (Department of Commerce) GSA (General Services Administration) HHS (Department of Health and Human Services)	$17,191,089	11.9%	Rank history: #4 in FY2021, #2 in FY2022, #3 in FY2024 and #9 in FY2025; unchanged since FY2022.
3	Scientific Consulting Group Inc. Top agencies HHS (Department of Health and Human Services) EPA (Environmental Protection Agency)	$7,986,988	5.5%	Rank history: #22 in FY2021, #24 in FY2022, #4 in FY2024 and #3 in FY2025; up 21 since FY2022.
4	The Bridge Group LLC Top agencies WHS (DOD Washington Headquarters Service) DHA (Defense Health Agency) OSD (Office of the Secretary of Defense)	$5,125,022	3.5%	Rank history: #5 in FY2021, #3 in FY2022, not on the FY2024 list and #8 in FY2025; down 1 since FY2022.
5	EDJ Associates, Inc. Top agencies NSF (National Science Foundation) DOT (Department of Transportation) HHS (Department of Health and Human Services)	$5,025,258	3.5%	Rank history: #7 in FY2021, #6 in FY2022, #5 in FY2024 and #10 in FY2025; up 1 since FY2022.
6	Sidem LLC Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior) DOL (Department of Labor)	$3,572,321	2.5%	Rank history: #16 in FY2021, #9 in FY2022, #8 in FY2024 and #28 in FY2025; up 3 since FY2022.
7	TOM & Jerry Inc 2 awardees Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$3,468,485	2.4%	Rank history: #10 in FY2021, #4 in FY2022, #6 in FY2024 and #7 in FY2025; down 3 since FY2022.
8	Government Solutions Group, LLC Top agencies HHS (Department of Health and Human Services)	$3,014,248	2.1%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and #11 in FY2025; new.
9	Kallman Worldwide Inc. Top agencies DSCA (Defense Security Cooperation Agency) USDA (Department of Agriculture)	$2,479,837	1.7%	Rank history: #17 in FY2021, #23 in FY2022, #28 in FY2024 and #14 in FY2025; up 14 since FY2022.
10	Isom Events LLC Top agencies SBA (Small Business Administration)	$2,293,000	1.6%	Rank history: not on the FY2021 list, #10 in FY2022, #10 in FY2024 and not on the FY2025 list; unchanged since FY2022.
11	Infinity Conference Group, Inc. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) DHA (Defense Health Agency)	$2,044,168	1.4%	Rank history: #11 in FY2021, #11 in FY2022, #15 in FY2024 and #22 in FY2025; unchanged since FY2022.
12	Effort, LLC Top agencies DOI (Department of the Interior)	$2,037,433	1.4%	Rank history: #9 in FY2021, #16 in FY2022, #23 in FY2024 and #16 in FY2025; up 4 since FY2022.
13	Capital Meeting Planning, Inc. Top agencies IMLS (The Institute of Museum and Library Services) DOE (Department of Energy) EXIM (Export Import Bank of the US)	$1,889,437	1.3%	Rank history: #19 in FY2021, #13 in FY2022, #22 in FY2024 and #4 in FY2025; unchanged since FY2022.
14	Inspire Events LLC Top agencies Commerce (Department of Commerce) DOT (Department of Transportation) NTSB (National Transportation Safety Board)	$1,876,606	1.3%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2024 and not on the FY2025 list; new.
15	UIC Government Services LLC Through Bowhead Professional and Technical Solutions LLC Top agencies Army (Department of the Army)	$1,862,715	1.3%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2024 and not on the FY2025 list; new.
16	Davis Management Group Inc. Top agencies DOS (Department of State) OSD (Office of the Secretary of Defense)	$1,847,195	1.3%	Rank history: #28 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
17	Michael J Giuffrida & Associates Inc. Top agencies DOL (Department of Labor)	$1,384,487	1.0%	Rank history: #63 in FY2021, #17 in FY2022, #36 in FY2024 and #35 in FY2025; unchanged since FY2022.
18	The Event Planning Group LLC 2 awardees Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DFC (International Development Finance Corporation)	$1,305,983	0.9%	Rank history: #12 in FY2021, #8 in FY2022, #21 in FY2024 and #17 in FY2025; down 10 since FY2022.
19	Civility Management Solutions LLC Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$1,261,424	0.9%	Rank history: #18 in FY2021, #18 in FY2022, #35 in FY2024 and #25 in FY2025; down 1 since FY2022.
20	Chickasaw Management Services, LLC Top agencies DOJ (Department of Justice)	$938,005	0.6%	Rank history: #13 in FY2021, #25 in FY2022, #24 in FY2024 and not on the FY2025 list; up 5 since FY2022.
21	Lumina Corps Inc. Top agencies HHS (Department of Health and Human Services)	$904,651	0.6%	Rank history: not on the FY2021 list, #43 in FY2022, #20 in FY2024 and #5 in FY2025; up 22 since FY2022.
22	HB & Company Inc. Top agencies CNCS (Corporation for National and Community Service) Commerce (Department of Commerce) FTC (Federal Trade Commission)	$851,592	0.6%	Rank history: #50 in FY2021, #32 in FY2022, #34 in FY2024 and not on the FY2025 list; up 10 since FY2022.
23	Capital Factory Properties LLC Top agencies USAF (Department of the Air Force)	$790,200	0.5%	Rank history: #15 in FY2021, #19 in FY2022, #26 in FY2024 and #26 in FY2025; down 4 since FY2022.
24	AFL Enterprises, LLC Top agencies HHS (Department of Health and Human Services)	$750,146	0.5%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and not on the FY2025 list; new.
25	Sustainable Exhibits Management Group Inc. 2 awardees Top agencies DHS (Department of Homeland Security) DOE (Department of Energy)	$687,671	0.5%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and not on the FY2025 list; new.
26	Capitol Exhibit Services, Inc. Top agencies Commerce (Department of Commerce) NASA (National Aeronautics and Space Administration)	$663,643	0.5%	Rank history: #6 in FY2021, #36 in FY2022, #45 in FY2024 and #67 in FY2025; up 10 since FY2022.
27	Avid Core LLC Top agencies DOL (Department of Labor)	$635,500	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
28	Legacy Group & Associates Inc Top agencies USSOCOM (United States Special Operations Command) Army (Department of the Army) USAF (Department of the Air Force)	$562,182	0.4%	Rank history: #29 in FY2021, #33 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
29	Decibel Management, LLC Top agencies DOE (Department of Energy) DSCA (Defense Security Cooperation Agency)	$551,700	0.4%	Rank history: not on the FY2021 list, #39 in FY2022, #41 in FY2024 and #36 in FY2025; up 10 since FY2022.
30	Purdy Group LLC Top agencies OSD (Office of the Secretary of Defense)	$526,838	0.4%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and #27 in FY2025; new.
31	Accommodations 4 All LLC Top agencies USAF (Department of the Air Force)	$513,000	0.4%	Rank history: #94 in FY2021, #70 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
32	Chickasaw Business Solutions, LLC Top agencies OSD (Office of the Secretary of Defense)	$483,248	0.3%	Rank history: not on the FY2021 list, #42 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
33	The Leonard Resource Group Inc. Top agencies USDA (Department of Agriculture)	$463,663	0.3%	Rank history: #25 in FY2021, #31 in FY2022, #19 in FY2024 and #39 in FY2025; down 2 since FY2022.
34	AD & Resources LLC Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) DOI (Department of the Interior)	$439,595	0.3%	Rank history: #14 in FY2021, not on the FY2022 list, #67 in FY2024 and #49 in FY2025; returned.
35	Miami Environmental & Energy Solutions LLC Top agencies HHS (Department of Health and Human Services)	$436,578	0.3%	Rank history: not on the FY2021 list, #44 in FY2022, #32 in FY2024 and #12 in FY2025; up 9 since FY2022.
36	Accommodations Unlimited, Inc. Top agencies DOJ (Department of Justice)	$414,067	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	Federal Business Council, Inc. Top agencies Commerce (Department of Commerce)	$413,869	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Weymouth Watson LLC Top agencies DOS (Department of State)	$380,578	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	Career Communications Group, Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) USDA (Department of Agriculture)	$366,050	0.3%	Rank history: #33 in FY2021, #22 in FY2022, #49 in FY2024 and #68 in FY2025; down 17 since FY2022.
40	Marriott International Inc. 4 awardees, including Marriott International Administrative Services, Inc. and Marriott Hotel Services, LLC Top agencies Commerce (Department of Commerce) Treasury (Department of the Treasury) USDA (Department of Agriculture)	$342,042	0.2%	Rank history: #73 in FY2021, #64 in FY2022 and not on the FY2024–FY2025 lists; up 24 since FY2022.
41	Reel Impact, Inc. Top agencies DOJ (Department of Justice) GSA (General Services Administration) DLA (Defense Logistics Agency)	$340,215	0.2%	Rank history: #44 in FY2021, #47 in FY2022, #80 in FY2024 and #24 in FY2025; up 6 since FY2022.
42	Planit Nation Inc. Top agencies USDA (Department of Agriculture)	$339,213	0.2%	Rank history: not on the FY2021 list, #29 in FY2022, #38 in FY2024 and #23 in FY2025; down 13 since FY2022.
43	Montage Marketing Group, LLC Top agencies Treasury (Department of the Treasury)	$333,599	0.2%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and not on the FY2025 list; new.
44	Innovation Event Management, LP Top agencies USDA (Department of Agriculture) DFC (International Development Finance Corporation)	$331,865	0.2%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and not on the FY2025 list; new.
45	Placer Valley Sports Complex, Inc. Top agencies DHS (Department of Homeland Security)	$330,000	0.2%	Rank history: not on the FY2021 list, #37 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
46	Servtech Top agencies DECA (Defense Commissary Agency)	$320,466	0.2%	Rank history: not on the FY2021 list, #34 in FY2022, #31 in FY2024 and #56 in FY2025; down 12 since FY2022.
47	Maclovia LLC Top agencies Commerce (Department of Commerce)	$289,817	0.2%	Rank history: #24 in FY2021, #20 in FY2022, #11 in FY2024 and not on the FY2025 list; down 27 since FY2022.
48	Legacy Exhibits, LLC Top agencies Commerce (Department of Commerce)	$267,778	0.2%	Rank history: not on the FY2021 list, #51 in FY2022, #51 in FY2024 and #47 in FY2025; up 3 since FY2022.
49	Sigma Health Consulting, LLC Top agencies VA (Department of Veterans Affairs)	$256,764	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	AVB Digital, LLC Top agencies DOJ (Department of Justice)	$254,882	0.2%	Rank history: #23 in FY2021, #41 in FY2022, #37 in FY2024 and #41 in FY2025; down 9 since FY2022.
51	Advanced LAN Techs Inc. Top agencies OSD (Office of the Secretary of Defense)	$251,337	0.2%	Rank history: not on the FY2021 list, #14 in FY2022, #17 in FY2024 and #18 in FY2025; down 37 since FY2022.
52	Foundation for Manufacturing Excellence Top agencies Commerce (Department of Commerce)	$250,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Kauffman and Associates, Inc. 2 awardees Top agencies HHS (Department of Health and Human Services)	$231,097	0.2%	Rank history: #42 in FY2021, #63 in FY2022, #57 in FY2024 and #43 in FY2025; up 10 since FY2022.
54	NCC PS Enterprises, LLC Top agencies Navy (Department of the Navy) EPA (Environmental Protection Agency)	$210,483	0.1%	Rank history: #49 in FY2021, #92 in FY2022 and not on the FY2024–FY2025 lists; up 38 since FY2022.
55	Informa Business Intelligence Inc. 2 awardees, including Informa TECH LLC and Informa Media LLC Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture)	$208,225	0.1%	Rank history: #98 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 74 since FY2022.
56	S365 Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army) USAF (Department of the Air Force)	$175,919	0.1%	Rank history: not on the FY2021 list, #27 in FY2022, #71 in FY2024 and not on the FY2025 list; down 29 since FY2022.
57	Patriot Government Partners, LLC Top agencies USAF (Department of the Air Force)	$175,000	0.1%	Rank history: not on the FY2021 list, #82 in FY2022, #82 in FY2024 and not on the FY2025 list; up 25 since FY2022.
58	Bevera Solutions LLC Top agencies HHS (Department of Health and Human Services)	$171,967	0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and #50 in FY2025; new.
59	Conferences & Meetings Inc. Top agencies DOS (Department of State)	$163,941	0.1%	Rank history: #20 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
60	Arctic Insights & Solutions LLC Top agencies DOI (Department of the Interior)	$159,606	0.1%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and not on the FY2025 list; new.
61	Event 360, Inc. Top agencies DOI (Department of the Interior)	$158,688	0.1%	Rank history: not on the FY2021 list, #50 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
62	My Business Matches Inc. Top agencies DHS (Department of Homeland Security) GSA (General Services Administration)	$156,230	0.1%	Rank history: #46 in FY2021, #67 in FY2022, #66 in FY2024 and not on the FY2025 list; up 5 since FY2022.
63	Viad Corp Through Global Experience Specialists, LLC Top agencies Army (Department of the Army)	$152,136	0.1%	Rank history: #30 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 68 since FY2022.
64	Edelgas Group Inc. Top agencies GSA (General Services Administration)	$150,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	M QUE J, LLC Top agencies USAF (Department of the Air Force)	$150,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	Creative Sound and Lighting, LLC Top agencies Army (Department of the Army)	$149,716	0.1%	Rank history: not on the FY2021 list, #76 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
67	Imex Management Inc Top agencies USDA (Department of Agriculture) NASA (National Aeronautics and Space Administration)	$136,715	0.1%	Rank history: not on the FY2021 list, #35 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
68	The Expo Group, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$132,229	0.1%	Rank history: #100 in FY2021, #66 in FY2022, #65 in FY2024 and #51 in FY2025; down 2 since FY2022.
69	Vista Convention Services, Inc. Top agencies DISA (Defense Information Systems Agency)	$123,228	0.1%	Rank history: not on the FY2021 list, #83 in FY2022, #56 in FY2024 and #48 in FY2025; up 14 since FY2022.
70	Lulac Institute Inc. Top agencies EPA (Environmental Protection Agency) DHS (Department of Homeland Security)	$122,400	0.1%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
71	N-Touch Strategies, LLC Top agencies HHS (Department of Health and Human Services)	$121,987	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	UBM LLC Through Informa TECH Holdings LLC Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$116,835	0.1%	Rank history: not on the FY2021 list, #48 in FY2022 and not on the FY2024–FY2025 lists; down 24 since FY2022.
73	DTM Walnut Creek Inc. Top agencies Treasury (Department of the Treasury)	$116,470	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Human Domain Solutions, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$115,519	0.1%	Rank history: #74 in FY2021, #90 in FY2022, #84 in FY2024 and #89 in FY2025; up 16 since FY2022.
75	Wabash Consultants, LLC Top agencies VA (Department of Veterans Affairs)	$113,804	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	The Association of the United States Army Top agencies DSCA (Defense Security Cooperation Agency)	$109,763	0.1%	Rank history: #39 in FY2021, #57 in FY2022, #100 in FY2024 and #58 in FY2025; down 19 since FY2022.
77	Labor and Employment Relations Association Top agencies FMCS (Federal Mediation and Conciliation Service)	$100,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2024 and not on the FY2025 list; new.
78	Blacks In Government (Big) Top agencies EPA (Environmental Protection Agency)	$100,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Katzcy LLC Top agencies DHS (Department of Homeland Security)	$100,000	0.1%	Rank history: not on the FY2021 list, #89 in FY2022, not on the FY2024 list and #87 in FY2025; up 10 since FY2022.
80	Velp Scientific, Inc. Top agencies EPA (Environmental Protection Agency)	$99,272	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	W Minneapolis Opco Viii LLC Top agencies Treasury (Department of the Treasury)	$98,594	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	RSA Conference LLC Top agencies DHS (Department of Homeland Security)	$96,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2024 and not on the FY2025 list; new.
83	Legacy Holistic Health Institute LLC Top agencies HHS (Department of Health and Human Services)	$95,410	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Host Hotels & Resorts Inc. Top agencies Treasury (Department of the Treasury)	$92,851	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Lclc, Inc. Top agencies USAF (Department of the Air Force)	$90,314	0.1%	Rank history: #81 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; down 55 since FY2022.
86	Arrow Arc LLC Top agencies VA (Department of Veterans Affairs)	$90,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2024 and #76 in FY2025; new.
87	O'reilly Hotel Partners-Denton, LLC Top agencies DCAA (Defense Contract Audit Agency)	$83,040	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Meak Solutions Llc. Top agencies VA (Department of Veterans Affairs)	$81,657	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	American Indian Consulting Services Inc. Top agencies USAF (Department of the Air Force)	$79,508	0.1%	Rank history: not on the FY2021 list, #71 in FY2022, not on the FY2024 list and #70 in FY2025; down 18 since FY2022.
90	Cvent Inc. Top agencies Commerce (Department of Commerce)	$79,050	0.1%	Rank history: #35 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
91	Blair Inc. Top agencies Navy (Department of the Navy)	$78,554	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #93 in FY2025; up 30 since FY2022.
92	National Association of State Alcohol and Drug Agency Directors, Inc. Top agencies DOJ (Department of Justice)	$77,939	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Montech Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$77,508	0.1%	Rank history: not on the FY2021 list, #56 in FY2022 and not on the FY2024–FY2025 lists; down 37 since FY2022.
94	John F Kennedy Center for the Performing Arts Top agencies ED (Department of Education)	$76,850	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	L'enfant DC Hotel LLC Top agencies NSF (National Science Foundation) DOE (Department of Energy)	$76,528	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Elias Events, LLC Top agencies DOI (Department of the Interior)	$76,189	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2024 and #78 in FY2025; up 15 since FY2022.
97	Center for Strategic & International Studies Inc. Top agencies USAID (US Agency for International Development)	$75,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	TCG Consulting Inc. Top agencies VA (Department of Veterans Affairs)	$73,275	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	US Cable Corporation Through Smart City Networks, Limited Partnership Top agencies USDA (Department of Agriculture) Army (Department of the Army)	$73,078	0.1%	Rank history: #47 in FY2021, #65 in FY2022 and not on the FY2024–FY2025 lists; down 34 since FY2022.
100	Cchh Ghdc LLC Top agencies HUD (Department of Housing and Urban Development)	$71,573	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 243 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 56192

Code	Net obligations	Largest contractor
561920 Convention and Trade Show Organizers	$121,403,871	Techtrans International 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 $144 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 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 NAICS 56192 contractors in FY2023?

1. Techtrans International Inc. ($30.7M), 2. Professional and Scientific Associates Inc. ($17.2M), 3. Scientific Consulting Group Inc. ($7.99M), 4. The Bridge Group LLC ($5.13M), 5. EDJ Associates, Inc. ($5.03M), 6. Sidem LLC ($3.57M), 7. TOM & Jerry Inc ($3.47M), 8. Government Solutions Group, LLC ($3.01M), 9. Kallman Worldwide Inc. ($2.48M), 10. Isom Events LLC ($2.29M).

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