Top 100 Contractors in NAICS 56172: Janitorial Services, FY2021

Name: Top 100 Contractors in NAICS 56172: Janitorial Services, FY2021
Creator: GovTribe

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

The top 10 won 25% of FY2021 NAICS 56172 contract dollars

Contract obligations: $1,589,181,430 Net of deobligations, by contracts coded NAICS 56172 or a code under it
Contractors: 1,998 Parent companies with an obligation
Largest contractor: Chimes District of Columbia Inc. $54.9 million, 3.2% 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	Chimes District of Columbia Inc. Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$54,870,918	3.2%	Rank history: #3 in FY2022, #9 in FY2023, #13 in FY2024 and not on the FY2025 list; up 1 since FY2020.
2	Melwood Horticultural Training Center, Inc. Top agencies Navy (Department of the Navy) DOJ (Department of Justice) NASA (National Aeronautics and Space Administration)	$54,316,954	3.2%	Rank history: #5 in FY2022, #7 in FY2023, #3 in FY2024 and #7 in FY2025; up 2 since FY2020.
3	Didlake Inc. Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service) DOE (Department of Energy)	$53,275,686	3.1%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #2 in FY2025; down 2 since FY2020.
4	J & J Maintenance Inc. 2 awardees, including J&J Germany GMBH Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$52,321,186	3.1%	Rank history: #4 in FY2022, #3 in FY2023, #5 in FY2024 and #4 in FY2025; down 1 since FY2020.
5	Skookum Educational Programs Top agencies Navy (Department of the Navy) Army (Department of the Army) DOT (Department of Transportation)	$45,378,218	2.7%	Rank history: #7 in FY2022, #4 in FY2023, #2 in FY2024 and #1 in FY2025; unchanged since FY2020.
6	Professional Contract Services, Inc. Top agencies Army (Department of the Army) DHA (Defense Health Agency) DHS (Department of Homeland Security)	$44,959,565	2.6%	Rank history: #6 in FY2022, #2 in FY2023, #8 in FY2024 and #8 in FY2025; unchanged since FY2020.
7	Teya Enterprises LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$36,968,545	2.2%	Rank history: #2 in FY2022, #5 in FY2023, #7 in FY2024 and #13 in FY2025; up 8 since FY2020.
8	Nugate Group LLC 2 awardees, including NJS Joint Venture, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$30,311,350	1.8%	Rank history: #10 in FY2022, #15 in FY2023, #24 in FY2024 and #34 in FY2025; down 1 since FY2020.
9	Global Connections To Employment, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$28,481,359	1.7%	Rank history: #8 in FY2022, #8 in FY2023, #4 in FY2024 and #3 in FY2025; unchanged since FY2020.
10	Fedcap Rehabilitation Services, Inc. 2 awardees, including Community Workshops, Inc. Top agencies GSA (General Services Administration) Army (Department of the Army) DOI (Department of the Interior)	$24,594,493	1.4%	Rank history: #9 in FY2022, #6 in FY2023, #6 in FY2024 and #6 in FY2025; down 2 since FY2020.
11	Huntsville Rehabilitation Foundation Top agencies Army (Department of the Army) MDA (DOD Missile Defense Agency) DOJ (Department of Justice)	$24,063,762	1.4%	Rank history: #12 in FY2022, #10 in FY2023, #9 in FY2024 and #11 in FY2025; up 1 since FY2020.
12	Titan Facility Services LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHA (Defense Health Agency)	$23,079,467	1.4%	Rank history: #13 in FY2022, #16 in FY2023, #15 in FY2024 and #17 in FY2025; up 7 since FY2020.
13	The Victor Group, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$21,817,457	1.3%	Rank history: #17 in FY2022, #23 in FY2023, #19 in FY2024 and #40 in FY2025; down 2 since FY2020.
14	HHI Services, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$20,601,657	1.2%	Rank history: #11 in FY2022, #14 in FY2023, #12 in FY2024 and #16 in FY2025; up 3 since FY2020.
15	Sandy'S Supply Inc Through ACE Maintenance & Service Inc. Top agencies Navy (Department of the Navy) USUHS (DOD Uniformed Services University of the Health Sciences)	$20,024,175	1.2%	Rank history: #14 in FY2022, #17 in FY2023, #55 in FY2024 and not on the FY2025 list; down 1 since FY2020.
16	BPA Facility Services, Inc. 2 awardees, including B & O Joint Venture LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) Army (Department of the Army)	$18,620,963	1.1%	Rank history: #20 in FY2022, #19 in FY2023, #14 in FY2024 and #46 in FY2025; up 120 since FY2020.
17	Main Building Maintenance, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$18,318,037	1.1%	Rank history: #21 in FY2022, #13 in FY2023, #11 in FY2024 and #12 in FY2025; down 1 since FY2020.
18	Terra Klean Solutions Inc. Top agencies Army (Department of the Army)	$17,904,297	1.0%	Rank history: #28 in FY2022, #54 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
19	Brevard Achievement Center, Inc. Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force) DODEA (Department of Defense Education Activity)	$16,709,366	1.0%	Rank history: #19 in FY2022, #24 in FY2023, #43 in FY2024 and #39 in FY2025; up 4 since FY2020.
20	Kdhk, Inc. Top agencies Army (Department of the Army)	$16,343,718	1.0%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
21	Pride Industries Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$15,177,303	0.9%	Rank history: #26 in FY2022, #26 in FY2023, #21 in FY2024 and #25 in FY2025; up 11 since FY2020.
22	Dale Rogers Training Center, Inc. Top agencies USAF (Department of the Air Force) DOT (Department of Transportation) GSA (General Services Administration)	$14,636,285	0.9%	Rank history: #38 in FY2022, #20 in FY2023, #18 in FY2024 and #18 in FY2025; down 12 since FY2020.
23	CW Group Inc Through CW Resources, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DISA (Defense Information Systems Agency)	$14,320,425	0.8%	Rank history: #15 in FY2022, #18 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
24	King & George, LLC 2 awardees, including Invicta Global, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$14,226,821	0.8%	Rank history: #16 in FY2022, #21 in FY2023, #88 in FY2024 and not on the FY2025 list; up 256 since FY2020.
25	Job Options, Incorporated Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$13,875,614	0.8%	Rank history: #23 in FY2022, #22 in FY2023, #25 in FY2024 and #22 in FY2025; down 5 since FY2020.
26	Tfom HHS Group JV Top agencies USAF (Department of the Air Force)	$13,604,022	0.8%	Rank history: #30 in FY2022, #32 in FY2023, #31 in FY2024 and #57 in FY2025; down 1 since FY2020.
27	Melgar Facility Maintenance LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$13,498,496	0.8%	Rank history: #29 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
28	Coastal Enterprises of Jacksonville Inc. Top agencies Navy (Department of the Navy) DECA (Defense Commissary Agency) Army (Department of the Army)	$12,893,966	0.8%	Rank history: #25 in FY2022, #11 in FY2023, #17 in FY2024 and #21 in FY2025; down 2 since FY2020.
29	Opportunities and Resources, Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) Commerce (Department of Commerce)	$11,267,725	0.7%	Rank history: #22 in FY2022, #25 in FY2023, #32 in FY2024 and #28 in FY2025; up 1 since FY2020.
30	J.p. Industries, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) Army (Department of the Army)	$10,514,677	0.6%	Rank history: #27 in FY2022, #27 in FY2023, #29 in FY2024 and #26 in FY2025; down 6 since FY2020.
31	Nana Regional Corporation Inc 2 awardees, including Akima Support Operations, LLC and Lockwood Hills Federal LLC Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$9,790,803	0.6%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
32	Piepenbrock Unternehmensgruppe GMBH + Co. KG Through Piepenbrock Government Services GMBH + Co. KG Top agencies Army (Department of the Army) DOS (Department of State) USAF (Department of the Air Force)	$9,666,356	0.6%	Rank history: #31 in FY2022, #28 in FY2023, #49 in FY2024 and not on the FY2025 list; up 2 since FY2020.
33	Training, Rehabilitation, & Development Institute, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) GSA (General Services Administration)	$9,653,509	0.6%	Rank history: #39 in FY2022, #38 in FY2023, #60 in FY2024 and #50 in FY2025; up 5 since FY2020.
34	Parc Community Partnership Foundation Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$9,316,709	0.5%	Rank history: #42 in FY2022, #40 in FY2023, #27 in FY2024 and #42 in FY2025; up 346 since FY2020.
35	GEG Gebäudedienste GMBH Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$9,257,856	0.5%	Rank history: #54 in FY2022, #80 in FY2023, #54 in FY2024 and #56 in FY2025; up 40 since FY2020.
36	Power Works Industries, Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation)	$9,249,164	0.5%	Rank history: #49 in FY2022, #77 in FY2023, #39 in FY2024 and #66 in FY2025; up 20 since FY2020.
37	Relief Enterprise, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$9,058,120	0.5%	Rank history: #33 in FY2022, #36 in FY2023, #38 in FY2024 and #33 in FY2025; up 21 since FY2020.
38	Fora Pathways, Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) DOT (Department of Transportation)	$8,967,756	0.5%	Rank history: #34 in FY2022, #31 in FY2023, #28 in FY2024 and #29 in FY2025; down 3 since FY2020.
39	Tresco Inc. Top agencies Army (Department of the Army) GSA (General Services Administration) DOI (Department of the Interior)	$8,377,676	0.5%	Rank history: #72 in FY2022, #57 in FY2023, #35 in FY2024 and #95 in FY2025; up 72 since FY2020.
40	Native Resource Development Co Inc. Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$7,580,527	0.4%	Rank history: not on the FY2022–FY2025 lists; up 15 since FY2020.
41	Employment Source Inc. Top agencies Army (Department of the Army)	$7,278,420	0.4%	Rank history: #46 in FY2022, #45 in FY2023, #45 in FY2024 and #51 in FY2025; down 1 since FY2020.
42	ADA S. Mckinley Community Services, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$7,273,438	0.4%	Rank history: #51 in FY2022, #48 in FY2023, #53 in FY2024 and #45 in FY2025; up 10 since FY2020.
43	Occupational Training Center of Burlington County Top agencies USAF (Department of the Air Force) Army (Department of the Army) Commerce (Department of Commerce)	$7,252,026	0.4%	Rank history: #47 in FY2022, not on the FY2023 list, #63 in FY2024 and #84 in FY2025; up 6 since FY2020.
44	CW Resources, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) GSA (General Services Administration)	$7,031,719	0.4%	Rank history: not on the FY2022–FY2023 lists, #23 in FY2024 and #14 in FY2025; down 7 since FY2020.
45	Jose Ernesto Salazar, LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration)	$6,974,322	0.4%	Rank history: #24 in FY2022 and not on the FY2023–FY2025 lists; down 16 since FY2020.
46	Davis Memorial Goodwill Industries Top agencies Treasury (Department of the Treasury) DOI (Department of the Interior) Army (Department of the Army)	$6,948,140	0.4%	Rank history: #41 in FY2022, #34 in FY2023, #37 in FY2024 and #36 in FY2025; down 3 since FY2020.
47	KIM Gardner, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army) DOI (Department of the Interior)	$6,937,765	0.4%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; up 10 since FY2020.
48	Good Vocations, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$6,927,396	0.4%	Rank history: #37 in FY2022, #50 in FY2023, #36 in FY2024 and #24 in FY2025; down 30 since FY2020.
49	Alcazar Trades, Inc. Top agencies VA (Department of Veterans Affairs) NRC (Nuclear Regulatory Commission)	$6,864,884	0.4%	Rank history: #43 in FY2022, #29 in FY2023, #26 in FY2024 and #23 in FY2025; up 2 since FY2020.
50	Ninety Five South, Inc. Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) DHS (Department of Homeland Security)	$6,690,266	0.4%	Rank history: #52 in FY2022, #43 in FY2023, not on the FY2024 list and #89 in FY2025; up 46 since FY2020.
51	Challenge Unlimited, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$6,569,220	0.4%	Rank history: #40 in FY2022, #33 in FY2023, #42 in FY2024 and #32 in FY2025; down 24 since FY2020.
52	Chugach Alaska Corporation Through Chugach Consolidated Solutions, LLC Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$6,351,950	0.4%	Rank history: #63 in FY2022, #59 in FY2023, #52 in FY2024 and not on the FY2025 list; up 1 since FY2020.
53	Goodwill Industries of the Coastal Empire, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) GSA (General Services Administration)	$6,277,338	0.4%	Rank history: #71 in FY2022, #87 in FY2023, #83 in FY2024 and #82 in FY2025; up 19 since FY2020.
54	Goodwill Keystone Area Through Goodwill Services, Inc. Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency)	$6,238,226	0.4%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 11 since FY2020.
55	Nysarc Inc. 7 awardees, including Oneida-Lewis Chapter, Nysarc, ST Lawrence Nysarc Inc. and Seneca Cayuga Yates Counties Chapter Nysarc, Inc. Top agencies Army (Department of the Army) DFAS (Defense Finance and Accounting Service) DHS (Department of Homeland Security)	$6,138,418	0.4%	Rank history: #64 in FY2022, #51 in FY2023, #100 in FY2024 and not on the FY2025 list; up 52 since FY2020.
56	Eagle Pro Clean Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$6,081,021	0.4%	Rank history: #67 in FY2022 and not on the FY2023–FY2025 lists; up 22 since FY2020.
57	Integrity National Corporation Top agencies Treasury (Department of the Treasury) DOT (Department of Transportation)	$6,023,408	0.4%	Rank history: #62 in FY2022, #66 in FY2023, #77 in FY2024 and #73 in FY2025; up 5 since FY2020.
58	Aeon Delight Co Ltd Top agencies Navy (Department of the Navy)	$5,991,528	0.4%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
59	Job Squad Inc. Top agencies DOJ (Department of Justice) GSA (General Services Administration)	$5,550,263	0.3%	Rank history: #60 in FY2022, #52 in FY2023, #58 in FY2024 and #49 in FY2025; new, not ranked in FY2020.
60	Licking-Knox Goodwill Industries, Inc. Top agencies DLA (Defense Logistics Agency) DFAS (Defense Finance and Accounting Service) Army (Department of the Army)	$5,523,426	0.3%	Rank history: #59 in FY2022, #58 in FY2023, #33 in FY2024 and #41 in FY2025; down 10 since FY2020.
61	Federal Maintenance Hawaii, LLC Top agencies Army (Department of the Army) DOT (Department of Transportation) DHS (Department of Homeland Security)	$5,478,692	0.3%	Rank history: #44 in FY2022, #92 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2020.
62	NJS Joint Venture, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$5,470,506	0.3%	Rank history: not on the FY2022–FY2023 lists, #65 in FY2024 and #80 in FY2025; up 392 since FY2020.
63	Unicare Building Maintenance, Inc. Top agencies DOT (Department of Transportation)	$5,453,489	0.3%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; up 25 since FY2020.
64	Adelante Development Center Inc. Top agencies DHS (Department of Homeland Security) DTRA (Defense Threat Reduction Agency) Army (Department of the Army)	$5,361,755	0.3%	Rank history: #65 in FY2022, #55 in FY2023, #57 in FY2024 and #43 in FY2025; up 9 since FY2020.
65	Hamhed LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOI (Department of the Interior)	$5,335,416	0.3%	Rank history: #32 in FY2022 and not on the FY2023–FY2025 lists; down 26 since FY2020.
66	Os-Db-Jv-2 LLC Top agencies VA (Department of Veterans Affairs)	$5,253,753	0.3%	Rank history: #36 in FY2022, #30 in FY2023, #30 in FY2024 and #31 in FY2025; new, not ranked in FY2020.
67	Iqrar Ahmed and Partner Contracting Company Limited Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$5,197,266	0.3%	Rank history: not on the FY2022–FY2025 lists; up 54 since FY2020.
68	International Support Group LLC Top agencies Army (Department of the Army) DOT (Department of Transportation) DHS (Department of Homeland Security)	$4,967,810	0.3%	Rank history: #66 in FY2022, #76 in FY2023, #61 in FY2024 and #61 in FY2025; up 48 since FY2020.
69	Goodwill Industries of Southern California Top agencies USAF (Department of the Air Force)	$4,910,322	0.3%	Rank history: #56 in FY2022, #95 in FY2023, #98 in FY2024 and not on the FY2025 list; down 5 since FY2020.
70	Star Contract Services LLC Top agencies GSA (General Services Administration) FTC (Federal Trade Commission)	$4,903,236	0.3%	Rank history: not on the FY2022–FY2025 lists; up 148 since FY2020.
71	Agbm-Ati Joint Venture Top agencies Navy (Department of the Navy) GSA (General Services Administration)	$4,814,624	0.3%	Rank history: not on the FY2022–FY2025 lists; down 38 since FY2020.
72	Avartara LLC Top agencies VA (Department of Veterans Affairs)	$4,796,983	0.3%	Rank history: #35 in FY2022, #47 in FY2023, #46 in FY2024 and #91 in FY2025; down 9 since FY2020.
73	Lr-Associates, LLC Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) VA (Department of Veterans Affairs)	$4,738,888	0.3%	Rank history: #68 in FY2022, #82 in FY2023, #66 in FY2024 and #47 in FY2025; down 2 since FY2020.
74	Employment Horizons Inc. Top agencies Army (Department of the Army)	$4,729,507	0.3%	Rank history: #79 in FY2022, #64 in FY2023, #56 in FY2024 and #60 in FY2025; up 54 since FY2020.
75	Canete LLC Top agencies DOT (Department of Transportation)	$4,614,739	0.3%	Rank history: #89 in FY2022 and not on the FY2023–FY2025 lists; up 64 since FY2020.
76	Hagerstown Goodwill Industries, Inc. Top agencies Army (Department of the Army) GSA (General Services Administration) DOJ (Department of Justice)	$4,505,930	0.3%	Rank history: not on the FY2022 list, #97 in FY2023, #95 in FY2024 and #93 in FY2025; up 32 since FY2020.
77	Mavagi Enterprises, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) VA (Department of Veterans Affairs)	$4,455,520	0.3%	Rank history: #97 in FY2022, #84 in FY2023, #86 in FY2024 and not on the FY2025 list; down 3 since FY2020.
78	Unique Cleaning Service, Inc. Top agencies DOT (Department of Transportation) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$4,455,043	0.3%	Rank history: #48 in FY2022, #62 in FY2023, #74 in FY2024 and #81 in FY2025; down 24 since FY2020.
79	R & R Janitorial, Painting & Building Services Inc. Top agencies WHS (DOD Washington Headquarters Service)	$4,440,968	0.3%	Rank history: #53 in FY2022, #79 in FY2023, #67 in FY2024 and #37 in FY2025; down 35 since FY2020.
80	Afognak Native Corporation 2 awardees, including Alutiiq Commercial Enterprises LLC and "Alutiiq Logistics & Maintenance Services, Llc" Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$4,439,749	0.3%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
81	Palmetto Goodwill Services Top agencies Army (Department of the Army) USAF (Department of the Air Force) GSA (General Services Administration)	$4,405,492	0.3%	Rank history: #78 in FY2022, #41 in FY2023, #69 in FY2024 and #63 in FY2025; up 5 since FY2020.
82	Achieve Human Services, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$4,356,142	0.3%	Rank history: #76 in FY2022, #83 in FY2023, #82 in FY2024 and #79 in FY2025; up 21 since FY2020.
83	Ican Resources Inc. Top agencies Navy (Department of the Navy) DODEA (Department of Defense Education Activity) USAF (Department of the Air Force)	$4,347,660	0.3%	Rank history: #77 in FY2022, not on the FY2023 list, #64 in FY2024 and #62 in FY2025; down 23 since FY2020.
84	T47 International, Inc. Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force)	$4,327,480	0.3%	Rank history: #58 in FY2022, #44 in FY2023, #34 in FY2024 and #9 in FY2025; down 1 since FY2020.
85	Pueblo Diversified Industries, Inc. Top agencies Army (Department of the Army)	$4,283,287	0.3%	Rank history: not on the FY2022 list, #86 in FY2023, #84 in FY2024 and #59 in FY2025; up 8 since FY2020.
86	Rowe Contracting Service, Inc. Top agencies USAF (Department of the Air Force)	$4,278,988	0.3%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; down 19 since FY2020.
87	Bobby Dodd Institute, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army) DHS (Department of Homeland Security)	$4,227,992	0.2%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; down 21 since FY2020.
88	Clean & Serene LLC Top agencies Army (Department of the Army)	$4,212,845	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Sanford Federal, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOI (Department of the Interior)	$4,176,852	0.2%	Rank history: #45 in FY2022, #56 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
90	Goodwill Industries of Southeastern Louisiana, Inc. Top agencies Navy (Department of the Navy)	$4,158,335	0.2%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
91	Hughes Group LLC Top agencies VA (Department of Veterans Affairs)	$4,156,476	0.2%	Rank history: #87 in FY2022, #46 in FY2023 and not on the FY2024–FY2025 lists; down 22 since FY2020.
92	Lifebridge Health, Inc. Top agencies SSA (Social Security Administration) GSA (General Services Administration)	$4,098,574	0.2%	Rank history: #82 in FY2022, #67 in FY2023, #71 in FY2024 and #72 in FY2025; down 16 since FY2020.
93	Portco Inc. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force) Army (Department of the Army)	$4,057,159	0.2%	Rank history: #86 in FY2022, not on the FY2023 list, #93 in FY2024 and #68 in FY2025; up 140 since FY2020.
94	Design Build, Llc. Top agencies VA (Department of Veterans Affairs)	$3,980,992	0.2%	Rank history: not on the FY2022–FY2025 lists; down 47 since FY2020.
95	De La PAZ Cleaning & Rental Service LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) GSA (General Services Administration)	$3,925,359	0.2%	Rank history: #80 in FY2022, #73 in FY2023, #81 in FY2024 and not on the FY2025 list; down 47 since FY2020.
96	Soar 365 Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$3,887,369	0.2%	Rank history: not on the FY2022–FY2025 lists; down 26 since FY2020.
97	Enterprise Professional Services, Inc. Top agencies Army (Department of the Army) GSA (General Services Administration)	$3,767,498	0.2%	Rank history: #85 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
98	Memphis Goodwill Industries Inc. Top agencies Treasury (Department of the Treasury) GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$3,505,761	0.2%	Rank history: #94 in FY2022, not on the FY2023 list, #75 in FY2024 and #88 in FY2025; up 6 since FY2020.
99	Mvle, Inc. Top agencies NASA (National Aeronautics and Space Administration) OSD (Office of the Secretary of Defense) Army (Department of the Army)	$3,471,839	0.2%	Rank history: not on the FY2022 list, #93 in FY2023, #99 in FY2024 and #69 in FY2025; up 15 since FY2020.
100	Genco General Contractors of Puerto Rico Corp. 3 awardees Top agencies DHS (Department of Homeland Security) Army (Department of the Army) Navy (Department of the Navy)	$3,384,569	0.2%	Rank history: #96 in FY2022, #98 in FY2023 and not on the FY2024–FY2025 lists; up 60 since FY2020.

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100 of 1,998 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 56172

Code	Net obligations	Largest contractor
561720 Janitorial Services	$1,589,181,430	Chimes District of Columbia 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 $1.71 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 2021 ran Oct 1, 2020 – Sep 30, 2021. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2020. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2020 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 56172 contractors in FY2021?

1. Chimes District of Columbia Inc. ($54.9M), 2. Melwood Horticultural Training Center, Inc. ($54.3M), 3. Didlake Inc. ($53.3M), 4. J & J Maintenance Inc. ($52.3M), 5. Skookum Educational Programs ($45.4M), 6. Professional Contract Services, Inc. ($45M), 7. Teya Enterprises LLC ($37M), 8. Nugate Group LLC ($30.3M), 9. Global Connections To Employment, Inc. ($28.5M), 10. Fedcap Rehabilitation Services, Inc. ($24.6M).

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