Top 100 Contractors in NAICS 561730: Landscaping Services, FY2021

Name: Top 100 Contractors in NAICS 561730: Landscaping Services, FY2021
Creator: GovTribe

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

The top 10 won 19% of FY2021 NAICS 561730 contract dollars

Contract obligations: $498,912,017 Net of deobligations, by contracts coded NAICS 561730
Contractors: 1,533 Parent companies with an obligation
Largest contractor: Dsa, LLC $14.9 million, 2.8% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Dsa, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$14,909,022	2.8%	Rank history: #11 in FY2022, #13 in FY2023, #12 in FY2024 and #21 in FY2025; new, not ranked in FY2020.
2	Coastal Enterprises of Jacksonville Inc. Top agencies Navy (Department of the Navy)	$12,117,626	2.3%	Rank history: #2 in FY2022, #2 in FY2023, #2 in FY2024 and #3 in FY2025; down 1 since FY2020.
3	Pride Industries Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$12,039,883	2.2%	Rank history: #4 in FY2022, #3 in FY2023, #3 in FY2024 and #2 in FY2025; up 2 since FY2020.
4	BJD Services LLC Top agencies Army (Department of the Army)	$11,312,503	2.1%	Rank history: #1 in FY2022, #4 in FY2023, #6 in FY2024 and #57 in FY2025; up 35 since FY2020.
5	Viking Bros LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$10,434,441	1.9%	Rank history: not on the FY2022–FY2025 lists; up 117 since FY2020.
6	Pacific Federal Management Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$8,506,861	1.6%	Rank history: #5 in FY2022, #1 in FY2023, #1 in FY2024 and #44 in FY2025; up 2 since FY2020.
7	Greenleaf Services Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$8,472,862	1.6%	Rank history: #6 in FY2022, #6 in FY2023, #5 in FY2024 and #5 in FY2025; down 5 since FY2020.
8	Huntsville Rehabilitation Foundation Top agencies Army (Department of the Army)	$8,186,174	1.5%	Rank history: #3 in FY2022, #5 in FY2023, #13 in FY2024 and #4 in FY2025; up 1 since FY2020.
9	The Davey Tree Expert Company 3 awardees, including Davey Tree Surgery Company and Davey Resource Group, Inc. Top agencies USDA (Department of Agriculture) DOE (Department of Energy) GSA (General Services Administration)	$8,092,014	1.5%	Rank history: #13 in FY2022, #24 in FY2023, #22 in FY2024 and #97 in FY2025; up 6 since FY2020.
10	Training, Rehabilitation, & Development Institute, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$7,886,799	1.5%	Rank history: #7 in FY2022, #10 in FY2023, #7 in FY2024 and #23 in FY2025; down 7 since FY2020.
11	Fuji Construction Co.,Ltd. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$6,607,595	1.2%	Rank history: #14 in FY2022, #16 in FY2023, #19 in FY2024 and #15 in FY2025; up 11 since FY2020.
12	GMB Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$6,304,264	1.2%	Rank history: #68 in FY2022, #19 in FY2023, #14 in FY2024 and #37 in FY2025; down 1 since FY2020.
13	Custom Lawn Service, Inc. Top agencies DOI (Department of the Interior) WHS (DOD Washington Headquarters Service) GSA (General Services Administration)	$6,125,340	1.1%	Rank history: #9 in FY2022, #11 in FY2023, #10 in FY2024 and #7 in FY2025; up 5 since FY2020.
14	S C Jones Services Inc. Through S.C. Jones Services, Inc. Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$5,266,681	1.0%	Rank history: #18 in FY2022, #18 in FY2023, #41 in FY2024 and not on the FY2025 list; unchanged since FY2020.
15	Tellus LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$4,747,721	0.9%	Rank history: #24 in FY2022, #21 in FY2023, #16 in FY2024 and #20 in FY2025; up 66 since FY2020.
16	Native Contractors, Inc. Top agencies VA (Department of Veterans Affairs)	$4,725,157	0.9%	Rank history: #23 in FY2022, #17 in FY2023, #24 in FY2024 and #36 in FY2025; down 6 since FY2020.
17	Allserv Inc. Top agencies VA (Department of Veterans Affairs)	$4,663,925	0.9%	Rank history: #28 in FY2022, #34 in FY2023, #30 in FY2024 and #12 in FY2025; up 21 since FY2020.
18	Raven Operations LLC Top agencies VA (Department of Veterans Affairs)	$4,389,008	0.8%	Rank history: #16 in FY2022, #47 in FY2023, #27 in FY2024 and #18 in FY2025; down 2 since FY2020.
19	Westerly Enterprises, LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$4,348,246	0.8%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
20	Industry Standard Usa, LLC Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation) Army (Department of the Army)	$4,296,186	0.8%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; up 22 since FY2020.
21	CW Group Inc Through CW Resources, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$4,258,893	0.8%	Rank history: #15 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
22	North Bay Rehabilitation Services, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) Navy (Department of the Navy)	$4,211,774	0.8%	Rank history: #22 in FY2022, #15 in FY2023, #25 in FY2024 and #22 in FY2025; up 13 since FY2020.
23	Beacon Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,170,035	0.8%	Rank history: #26 in FY2022, #26 in FY2023, #58 in FY2024 and #26 in FY2025; up 10 since FY2020.
24	Roberts Treescaping, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOT (Department of Transportation)	$4,115,379	0.8%	Rank history: #40 in FY2022, #32 in FY2023, #29 in FY2024 and #55 in FY2025; up 13 since FY2020.
25	T&T Service Co.,Ltd Top agencies Navy (Department of the Navy) Army (Department of the Army)	$4,066,068	0.8%	Rank history: #34 in FY2022, #45 in FY2023, #55 in FY2024 and #34 in FY2025; down 5 since FY2020.
26	Didlake Inc. Top agencies Navy (Department of the Navy)	$4,028,539	0.8%	Rank history: #29 in FY2022, #31 in FY2023, #31 in FY2024 and #25 in FY2025; down 1 since FY2020.
27	Western Construction & Equipment, LLC Top agencies USAF (Department of the Air Force)	$3,983,951	0.7%	Rank history: #32 in FY2022, #27 in FY2023, #28 in FY2024 and #19 in FY2025; up 4 since FY2020.
28	Byrd Enterprises Unlimited Inc. Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$3,945,756	0.7%	Rank history: #35 in FY2022, not on the FY2023 list, #50 in FY2024 and #29 in FY2025; down 9 since FY2020.
29	Challenge Unlimited, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$3,940,958	0.7%	Rank history: #31 in FY2022, #29 in FY2023, #33 in FY2024 and #24 in FY2025; down 3 since FY2020.
30	Dial General Engineering Top agencies VA (Department of Veterans Affairs)	$3,840,422	0.7%	Rank history: #19 in FY2022, #8 in FY2023, #17 in FY2024 and #27 in FY2025; up 39 since FY2020.
31	AB Cemetery Management Inc. Top agencies VA (Department of Veterans Affairs)	$3,838,689	0.7%	Rank history: #33 in FY2022, #20 in FY2023, #26 in FY2024 and #28 in FY2025; up 58 since FY2020.
32	Maintenance Engineers Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$3,803,668	0.7%	Rank history: #46 in FY2022, #39 in FY2023, #48 in FY2024 and #31 in FY2025; down 19 since FY2020.
33	Franco Vasquez Joint Venture Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$3,742,018	0.7%	Rank history: #37 in FY2022, #36 in FY2023, #72 in FY2024 and not on the FY2025 list; down 1 since FY2020.
34	Genco General Contractors of Puerto Rico Corp. 2 awardees Top agencies Navy (Department of the Navy) DOT (Department of Transportation) DHS (Department of Homeland Security)	$3,672,196	0.7%	Rank history: #42 in FY2022, #55 in FY2023, #46 in FY2024 and not on the FY2025 list; up 12 since FY2020.
35	Irvington Maintenance Venture LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$3,567,962	0.7%	Rank history: #8 in FY2022, #22 in FY2023, #20 in FY2024 and #14 in FY2025; up 57 since FY2020.
36	Melwood Horticultural Training Center, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) DOE (Department of Energy)	$3,468,876	0.6%	Rank history: #36 in FY2022, #40 in FY2023, #61 in FY2024 and #47 in FY2025; up 26 since FY2020.
37	Embassy Lawn and Landscaping, Inc. Top agencies USAF (Department of the Air Force)	$3,442,912	0.6%	Rank history: #51 in FY2022, not on the FY2023 list, #68 in FY2024 and #69 in FY2025; down 16 since FY2020.
38	Skils'kin Top agencies USAF (Department of the Air Force)	$3,304,495	0.6%	Rank history: #47 in FY2022, #53 in FY2023, #54 in FY2024 and not on the FY2025 list; down 8 since FY2020.
39	Worrell Contracting Co Inc. Top agencies VA (Department of Veterans Affairs)	$3,157,062	0.6%	Rank history: #20 in FY2022 and not on the FY2023–FY2025 lists; down 16 since FY2020.
40	Chugach Alaska Corporation Through Chugach Consolidated Solutions, LLC Top agencies Navy (Department of the Navy)	$3,027,683	0.6%	Rank history: #25 in FY2022, #25 in FY2023, #36 in FY2024 and #90 in FY2025; up 74 since FY2020.
41	Ground Control Limited Top agencies USAF (Department of the Air Force)	$3,005,562	0.6%	Rank history: #41 in FY2022, #59 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
42	RMS GMBH Rasenpflege- UND Mäh-Service Top agencies Army (Department of the Army)	$2,988,747	0.6%	Rank history: #44 in FY2022, #44 in FY2023, #40 in FY2024 and #46 in FY2025; up 36 since FY2020.
43	Accord Federal Services, LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) DOI (Department of the Interior)	$2,968,616	0.6%	Rank history: not on the FY2022–FY2025 lists; up 22 since FY2020.
44	Surecan-Hana LLC Top agencies Navy (Department of the Navy)	$2,925,118	0.5%	Rank history: #45 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2020.
45	D7, LLC Top agencies USAF (Department of the Air Force)	$2,772,881	0.5%	Rank history: #53 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; down 33 since FY2020.
46	PD & E, LLC Top agencies Navy (Department of the Navy)	$2,646,061	0.5%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
47	Leumas-Prodyn LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$2,633,006	0.5%	Rank history: not on the FY2022–FY2024 lists and #52 in FY2025; down 4 since FY2020.
48	Discount Tree Service, Incorporated Top agencies Army (Department of the Army)	$2,601,604	0.5%	Rank history: #48 in FY2022, #54 in FY2023, #56 in FY2024 and #56 in FY2025; up 12 since FY2020.
49	Employment Source Inc. Top agencies Army (Department of the Army) DODEA (Department of Defense Education Activity) USAF (Department of the Air Force)	$2,576,738	0.5%	Rank history: #49 in FY2022, #52 in FY2023, #37 in FY2024 and #33 in FY2025; up 6 since FY2020.
50	Professional Contract Services, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHA (Defense Health Agency)	$2,532,445	0.5%	Rank history: #38 in FY2022, #35 in FY2023, #43 in FY2024 and #32 in FY2025; down 26 since FY2020.
51	Aventus NV, Inc. Top agencies Army (Department of the Army)	$2,494,320	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	Ashley-Marie Group, Inc. Top agencies USAF (Department of the Air Force)	$2,406,353	0.4%	Rank history: #58 in FY2022, #70 in FY2023, #75 in FY2024 and not on the FY2025 list; up 6 since FY2020.
53	Rubicon Programs Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$2,372,904	0.4%	Rank history: #75 in FY2022, #30 in FY2023, #23 in FY2024 and #30 in FY2025; down 9 since FY2020.
54	Eight Co.,Ltd. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$2,356,580	0.4%	Rank history: #54 in FY2022, #67 in FY2023, #74 in FY2024 and #71 in FY2025; up 14 since FY2020.
55	Logsdon & Son Inc. Top agencies Navy (Department of the Navy)	$2,322,272	0.4%	Rank history: #60 in FY2022, #63 in FY2023, #71 in FY2024 and not on the FY2025 list; up 2 since FY2020.
56	Violeta Grounds Management Co., Inc. Top agencies DOI (Department of the Interior)	$2,309,056	0.4%	Rank history: #64 in FY2022, #56 in FY2023, #49 in FY2024 and #51 in FY2025; down 15 since FY2020.
57	Hana Enterprises, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$2,298,374	0.4%	Rank history: #65 in FY2022, #51 in FY2023, #59 in FY2024 and #78 in FY2025; up 9 since FY2020.
58	Southern Technology Professional Consulting Service LLC Top agencies VA (Department of Veterans Affairs)	$2,281,906	0.4%	Rank history: not on the FY2022–FY2025 lists; up 161 since FY2020.
59	Midwest Mowing, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$2,237,014	0.4%	Rank history: not on the FY2022–FY2025 lists; up 86 since FY2020.
60	Genesis 360 LLC Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$2,030,295	0.4%	Rank history: #10 in FY2022, #7 in FY2023, #11 in FY2024 and #10 in FY2025; up 33 since FY2020.
61	Moderno Inc. Top agencies VA (Department of Veterans Affairs)	$1,949,323	0.4%	Rank history: #21 in FY2022, #28 in FY2023, #15 in FY2024 and #17 in FY2025; down 12 since FY2020.
62	Gateway To Outdoor Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$1,923,463	0.4%	Rank history: not on the FY2022–FY2025 lists; down 28 since FY2020.
63	Skookum Educational Programs Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$1,919,557	0.4%	Rank history: #70 in FY2022, #46 in FY2023, #80 in FY2024 and #81 in FY2025; up 20 since FY2020.
64	Aveco Holding AG Through Wisag Garten- UND Landschaftspflege Hessen GMBH & Co. KG Top agencies Army (Department of the Army) DOS (Department of State)	$1,877,162	0.3%	Rank history: #66 in FY2022, #66 in FY2023 and not on the FY2024–FY2025 lists; up 20 since FY2020.
65	MSI II LLC Top agencies USAF (Department of the Air Force)	$1,864,825	0.3%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
66	Integriward, LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,847,687	0.3%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
67	Jade Eng Inc. Top agencies Army (Department of the Army)	$1,828,875	0.3%	Rank history: #73 in FY2022, not on the FY2023 list, #99 in FY2024 and not on the FY2025 list; down 3 since FY2020.
68	Avartara LLC Top agencies VA (Department of Veterans Affairs)	$1,820,754	0.3%	Rank history: #93 in FY2022, #90 in FY2023, #77 in FY2024 and not on the FY2025 list; up 253 since FY2020.
69	Beachs Trees Selective Harvesting LLC Top agencies USDA (Department of Agriculture)	$1,817,572	0.3%	Rank history: not on the FY2022 list, #84 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
70	Tlingit Haida Tribal Business Corporation Through Kira Facilities Maintenance LLC Top agencies Army (Department of the Army)	$1,800,147	0.3%	Rank history: #63 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
71	Landology Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$1,763,038	0.3%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; down 23 since FY2020.
72	Yard Chief Yard Care, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) Commerce (Department of Commerce)	$1,731,864	0.3%	Rank history: not on the FY2022–FY2025 lists; up 37 since FY2020.
73	Mavagi Enterprises, Inc. Top agencies Navy (Department of the Navy)	$1,725,027	0.3%	Rank history: #74 in FY2022, #75 in FY2023, #42 in FY2024 and #67 in FY2025; up 2 since FY2020.
74	Premier Alliances Inc. Top agencies Army (Department of the Army)	$1,723,033	0.3%	Rank history: #56 in FY2022, #57 in FY2023, #66 in FY2024 and #60 in FY2025; down 13 since FY2020.
75	Watanabe Enterprises LLC Top agencies VA (Department of Veterans Affairs)	$1,639,038	0.3%	Rank history: #87 in FY2022, #74 in FY2023, #100 in FY2024 and not on the FY2025 list; up 50 since FY2020.
76	The Arc of San Diego Top agencies Navy (Department of the Navy)	$1,629,384	0.3%	Rank history: not on the FY2022–FY2023 lists, #65 in FY2024 and #66 in FY2025; up 88 since FY2020.
77	TK Elevator Corporation Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) HHS (Department of Health and Human Services)	$1,592,447	0.3%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
78	Macia Construction, Incorporated Top agencies Army (Department of the Army) Treasury (Department of the Treasury)	$1,579,945	0.3%	Rank history: not on the FY2022–FY2025 lists; up 10 since FY2020.
79	GPM Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) DOT (Department of Transportation)	$1,567,333	0.3%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; down 39 since FY2020.
80	Nugate Group LLC Top agencies Navy (Department of the Navy)	$1,553,042	0.3%	Rank history: #72 in FY2022 and not on the FY2023–FY2025 lists; up 11 since FY2020.
81	Fresh Cut Lawn Care Inc. Top agencies DOT (Department of Transportation)	$1,472,304	0.3%	Rank history: not on the FY2022–FY2025 lists; up 56 since FY2020.
82	Valley Green Landscaping Inc. Top agencies DLA (Defense Logistics Agency) OSD (Office of the Secretary of Defense)	$1,458,611	0.3%	Rank history: #79 in FY2022, #81 in FY2023, #83 in FY2024 and not on the FY2025 list; up 5 since FY2020.
83	Ross Tree Expert Company Top agencies DOI (Department of the Interior)	$1,431,232	0.3%	Rank history: not on the FY2022 list, #71 in FY2023 and not on the FY2024–FY2025 lists; up 78 since FY2020.
84	Trace, Inc. Top agencies USAF (Department of the Air Force)	$1,420,157	0.3%	Rank history: #83 in FY2022, #95 in FY2023 and not on the FY2024–FY2025 lists; up 35 since FY2020.
85	Koyo Giken Ltd Top agencies Navy (Department of the Navy)	$1,413,061	0.3%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
86	Singh Group, Inc. Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) DOE (Department of Energy)	$1,370,262	0.3%	Rank history: not on the FY2022–FY2025 lists; up 50 since FY2020.
87	Innovative Federal Operations Group, Incorporated Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation)	$1,368,369	0.3%	Rank history: #62 in FY2022, not on the FY2023–FY2024 lists and #98 in FY2025; down 5 since FY2020.
88	Lanakila Pacific Top agencies Army (Department of the Army) Navy (Department of the Navy) Commerce (Department of Commerce)	$1,335,403	0.2%	Rank history: #90 in FY2022, #83 in FY2023, #88 in FY2024 and #100 in FY2025; up 9 since FY2020.
89	Hokama Co., Ltd. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$1,284,936	0.2%	Rank history: not on the FY2022–FY2024 lists and #96 in FY2025; up 53 since FY2020.
90	Hikari Zoen Co., Ltd Top agencies USAF (Department of the Air Force)	$1,281,978	0.2%	Rank history: #91 in FY2022, #92 in FY2023 and not on the FY2024–FY2025 lists; down 31 since FY2020.
91	Lander Group LLC Top agencies VA (Department of Veterans Affairs)	$1,281,467	0.2%	Rank history: not on the FY2022–FY2025 lists; up 40 since FY2020.
92	The Severson Group LLC Top agencies VA (Department of Veterans Affairs)	$1,243,298	0.2%	Rank history: #61 in FY2022, #79 in FY2023, not on the FY2024 list and #42 in FY2025; up 28 since FY2020.
93	U.s. Grounds Maintenance, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,214,361	0.2%	Rank history: not on the FY2022–FY2025 lists; down 40 since FY2020.
94	Veterans Landscape Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$1,161,643	0.2%	Rank history: #84 in FY2022, #76 in FY2023, not on the FY2024 list and #88 in FY2025; up 117 since FY2020.
95	ICD Builders, Incorporated Top agencies USAF (Department of the Air Force)	$1,152,194	0.2%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
96	R. Hogan Excavating, LLC Top agencies GSA (General Services Administration)	$1,152,031	0.2%	Rank history: not on the FY2022–FY2024 lists and #87 in FY2025; up 51 since FY2020.
97	American Lady Vets Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,133,475	0.2%	Rank history: #27 in FY2022, #38 in FY2023, #32 in FY2024 and #58 in FY2025; down 52 since FY2020.
98	Gala-BAU G. Schumacher GMBH Garten- UND Landschaftsbau Through Geiger FM Grunservice GMBH Top agencies USAF (Department of the Air Force) DECA (Defense Commissary Agency)	$1,132,627	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Williams Sanjo Top agencies Navy (Department of the Navy)	$1,116,588	0.2%	Rank history: not on the FY2022–FY2025 lists; up 9 since FY2020.
100	Allgreen Solutions, Inc. Top agencies Commerce (Department of Commerce)	$1,081,860	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 1,533 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 $537 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 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 561730 contractors in FY2021?

1. Dsa, LLC ($14.9M), 2. Coastal Enterprises of Jacksonville Inc. ($12.1M), 3. Pride Industries ($12M), 4. BJD Services LLC ($11.3M), 5. Viking Bros LLC ($10.4M), 6. Pacific Federal Management Inc. ($8.51M), 7. Greenleaf Services Inc. ($8.47M), 8. Huntsville Rehabilitation Foundation ($8.19M), 9. The Davey Tree Expert Company ($8.09M), 10. Training, Rehabilitation, & Development Institute, Inc. ($7.89M).

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