Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2025

Name: Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 26% of FY2025 NAICS 6219 contract dollars

Contract obligations: $844,209,583 Net of deobligations, by contracts coded NAICS 6219 or a code under it
Contractors: 538 Parent companies with an obligation
Largest contractor: American Medical Response West $102 million, 7.8% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	American Medical Response West 17 awardees, including American Medical Response, Inc., Life Line Ambulance Service, Inc. and Abbott Ambulance, Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$102,208,595	7.8%	Rank history: #1 in FY2021, #2 in FY2022, not on the FY2023 list and #1 in FY2024; unchanged since FY2024.
2	Acuity-Chs, LLC Top agencies DHS (Department of Homeland Security)	$36,151,495	2.8%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; up 2 since FY2024.
3	The Arora Group, Inc. Top agencies DHS (Department of Homeland Security)	$35,543,611	2.7%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; up 55 since FY2024.
4	Amergis Healthcare Staffing Inc. 2 awardees Top agencies DHS (Department of Homeland Security)	$34,419,922	2.6%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 58 since FY2024.
5	Servefed Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$25,826,555	2.0%	Rank history: #11 in FY2021, #9 in FY2022, #7 in FY2023 and #6 in FY2024; up 1 since FY2024.
6	Excelsior Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$23,913,089	1.8%	Rank history: #18 in FY2021, #11 in FY2022, #8 in FY2023 and #8 in FY2024; up 2 since FY2024.
7	The American National Red Cross 2 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$23,748,702	1.8%	Rank history: #4 in FY2021, #8 in FY2022, #6 in FY2023 and #5 in FY2024; down 2 since FY2024.
8	Ingenesis Inc. Top agencies DHS (Department of Homeland Security)	$22,638,843	1.7%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; up 56 since FY2024.
9	LMR Technical Group LLC Top agencies USAF (Department of the Air Force)	$17,404,456	1.3%	Rank history: not on the FY2021–FY2024 lists; up 333 since FY2024.
10	Cognito Systems LLC Top agencies Army (Department of the Army)	$16,279,620	1.2%	Rank history: #9 in FY2021, #13 in FY2022, #13 in FY2023 and #9 in FY2024; down 1 since FY2024.
11	STG International, Inc. Top agencies HHS (Department of Health and Human Services)	$16,277,945	1.2%	Rank history: #2 in FY2021, #5 in FY2022, #1 in FY2023 and #2 in FY2024; down 9 since FY2024.
12	Acadian Ambulance Service Inc. 3 awardees, including Acadian Ambulance Service of Texas, LLC and Acadian Ambulance Service of Tennessee, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$16,213,517	1.2%	Rank history: #17 in FY2021, #19 in FY2022, #17 in FY2023 and #16 in FY2024; up 4 since FY2024.
13	Reliance Medical Transport, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$15,611,296	1.2%	Rank history: #53 in FY2021, #20 in FY2022, #10 in FY2023 and #12 in FY2024; down 1 since FY2024.
14	Dawson Cms, LLC Top agencies Army (Department of the Army)	$14,675,605	1.1%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; up 5 since FY2024.
15	Dilligas Corp Top agencies DHA (Defense Health Agency)	$13,613,226	1.0%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023 and #20 in FY2024; up 5 since FY2024.
16	Health Partner's Management Group, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$13,551,934	1.0%	Rank history: #21 in FY2021, #23 in FY2022, #15 in FY2023 and #11 in FY2024; down 5 since FY2024.
17	Ambulance Management Services Limited 2 awardees, including First Care Ohio LLC Top agencies VA (Department of Veterans Affairs)	$12,627,529	1.0%	Rank history: #63 in FY2021, #58 in FY2022, #42 in FY2023 and #38 in FY2024; up 21 since FY2024.
18	CG Services LLC Top agencies DHA (Defense Health Agency)	$12,397,727	1.0%	Rank history: not on the FY2021 list, #67 in FY2022, not on the FY2023 list and #13 in FY2024; down 5 since FY2024.
19	Destiny Management Services, LLC Top agencies DHA (Defense Health Agency)	$11,751,750	0.9%	Rank history: #14 in FY2021, #26 in FY2022, #11 in FY2023 and #10 in FY2024; down 9 since FY2024.
20	Medshore Ambulance Service, Inc. Top agencies VA (Department of Veterans Affairs)	$11,461,265	0.9%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 11 since FY2024.
21	Jan-Care Ambulance of North Central W.va., Inc. Top agencies VA (Department of Veterans Affairs)	$11,443,449	0.9%	Rank history: #23 in FY2021, #18 in FY2022, #28 in FY2023 and #24 in FY2024; up 3 since FY2024.
22	Medex Medical Transport Service Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$11,263,494	0.9%	Rank history: #69 in FY2021, #42 in FY2022, #25 in FY2023 and #53 in FY2024; up 31 since FY2024.
23	Arapaho Technical Services LLC Top agencies DHA (Defense Health Agency)	$10,223,191	0.8%	Rank history: #50 in FY2021, #65 in FY2022, #58 in FY2023 and #21 in FY2024; down 2 since FY2024.
24	T3I, Inc. Top agencies USAF (Department of the Air Force)	$9,583,404	0.7%	Rank history: #16 in FY2021, #38 in FY2022, #26 in FY2023 and #17 in FY2024; down 7 since FY2024.
25	Kako'o Services LLC Through Nationwide Healthcare Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$9,469,474	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
26	Koniag, Inc. 2 awardees, including Kadiak LLC and Koniag Professional Services, LLC Top agencies DHS (Department of Homeland Security) DOL (Department of Labor)	$8,851,240	0.7%	Rank history: #36 in FY2021, #21 in FY2022, #24 in FY2023 and not on the FY2024 list; up 206 since FY2024.
27	University of Texas System 3 awardees, including The Univeristy of Texas M.d. Anderson Cancer Center, The University of Texas Southwestern Medical Center and University of Texas Health Science Center At Houston Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$8,795,167	0.7%	Rank history: #29 in FY2021, #17 in FY2022, #18 in FY2023 and not on the FY2024 list; up 367 since FY2024.
28	Hawaii Life Flight LLC Top agencies VA (Department of Veterans Affairs)	$8,614,952	0.7%	Rank history: not on the FY2021–FY2024 lists; up 115 since FY2024.
29	Forensic Drug & Alcohol Testing LLC Top agencies DOT (Department of Transportation) NRC (Nuclear Regulatory Commission) DOJ (Department of Justice)	$8,370,366	0.6%	Rank history: #55 in FY2021, #44 in FY2022, #37 in FY2023 and #23 in FY2024; down 6 since FY2024.
30	Alert Ambulance Service, Inc. Top agencies VA (Department of Veterans Affairs)	$7,493,968	0.6%	Rank history: not on the FY2021–FY2024 lists; up 127 since FY2024.
31	Blood Systems Inc. 3 awardees, including Vitalant and Lifestream Blood Bank Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$7,275,082	0.6%	Rank history: #32 in FY2021, #48 in FY2022, #39 in FY2023 and #29 in FY2024; down 2 since FY2024.
32	Strategic Resources, Incorporated Through North East South West Healthcare Solutions, LLC Top agencies DHS (Department of Homeland Security)	$7,039,209	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
33	Wander Staffing LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$7,034,684	0.5%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2024; down 7 since FY2024.
34	Dalmor LLC Top agencies VA (Department of Veterans Affairs)	$6,720,652	0.5%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 36 since FY2024.
35	Journey Via Gurney, LLC Top agencies VA (Department of Veterans Affairs)	$6,561,863	0.5%	Rank history: #48 in FY2021, #49 in FY2022, #50 in FY2023 and #28 in FY2024; down 7 since FY2024.
36	United Medevac Solutions, Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$5,847,600	0.4%	Rank history: #8 in FY2021, #14 in FY2022, #16 in FY2023 and #18 in FY2024; down 18 since FY2024.
37	Avosys Technology, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,792,145	0.4%	Rank history: #22 in FY2021, #28 in FY2022, #12 in FY2023 and #43 in FY2024; up 6 since FY2024.
38	Bestica, Inc. 2 awardees, including Stratus Federal Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,715,672	0.4%	Rank history: not on the FY2021–FY2024 lists; up 83 since FY2024.
39	Reach Air Medical Services, LLC 2 awardees, including Cal-Ore Life Flight LLC Top agencies Army (Department of the Army) DOJ (Department of Justice) USDA (Department of Agriculture)	$5,571,442	0.4%	Rank history: not on the FY2021–FY2024 lists; up 231 since FY2024.
40	Seattle Indian Health Board Top agencies HHS (Department of Health and Human Services)	$5,515,303	0.4%	Rank history: #26 in FY2021, #40 in FY2022, #35 in FY2023 and #34 in FY2024; down 6 since FY2024.
41	Front Line EMS LLC Top agencies USDA (Department of Agriculture) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$5,475,050	0.4%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 9 since FY2024.
42	Caban Resources LLC Top agencies DHA (Defense Health Agency)	$5,417,147	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; down 7 since FY2024.
43	Avel Ecare LLC Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior) Army (Department of the Army)	$5,155,350	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
44	Gift of Hope Organ & Tissue Donor Network Top agencies VA (Department of Veterans Affairs)	$5,084,875	0.4%	Rank history: #65 in FY2021, #85 in FY2022, #27 in FY2023 and #48 in FY2024; up 4 since FY2024.
45	Ohio Ambulance Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$4,999,554	0.4%	Rank history: not on the FY2021 list, #52 in FY2022, #64 in FY2023 and not on the FY2024 list; returned.
46	Oneblood, Inc. Top agencies VA (Department of Veterans Affairs)	$4,846,664	0.4%	Rank history: #41 in FY2021, #36 in FY2022, #100 in FY2023 and #36 in FY2024; down 10 since FY2024.
47	Reef Systems Corp Top agencies USAF (Department of the Air Force)	$4,602,142	0.4%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 33 since FY2024.
48	Bloodworks Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$4,405,709	0.3%	Rank history: #28 in FY2021, #39 in FY2022, #40 in FY2023 and #46 in FY2024; down 2 since FY2024.
49	Duke University Top agencies HHS (Department of Health and Human Services)	$4,396,320	0.3%	Rank history: #93 in FY2021, #33 in FY2022, #30 in FY2023 and #45 in FY2024; down 4 since FY2024.
50	Appointed Worldwide Holdings LLC Top agencies VA (Department of Veterans Affairs)	$4,370,645	0.3%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; unchanged since FY2024.
51	Professional Healthcare Associates, Inc. Top agencies VA (Department of Veterans Affairs)	$4,367,020	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
52	Lifeline Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$4,354,680	0.3%	Rank history: #56 in FY2021, #43 in FY2022, #83 in FY2023 and #60 in FY2024; up 8 since FY2024.
53	Legacy Ems Inc. Top agencies DHA (Defense Health Agency)	$4,252,112	0.3%	Rank history: not on the FY2021 list, #78 in FY2022, #46 in FY2023 and #96 in FY2024; up 43 since FY2024.
54	Bay Area Anesthesia LLC Top agencies HHS (Department of Health and Human Services)	$4,214,666	0.3%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #61 in FY2024; up 7 since FY2024.
55	Frontline Support Solutions LLC Top agencies VA (Department of Veterans Affairs)	$3,872,752	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
56	BMC Software Inc. Through American Indian Health & Services Corporation Top agencies HHS (Department of Health and Human Services)	$3,810,866	0.3%	Rank history: not on the FY2021–FY2024 lists; up 260 since FY2024.
57	Heartland Ambulance Service LLC Top agencies USDA (Department of Agriculture) VA (Department of Veterans Affairs) Army (Department of the Army)	$3,709,367	0.3%	Rank history: not on the FY2021–FY2024 lists; up 44 since FY2024.
58	Adventure Medics LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$3,650,400	0.3%	Rank history: #82 in FY2021, not on the FY2022–FY2023 lists and #56 in FY2024; down 2 since FY2024.
59	Bay Medic Transportation Inc. Top agencies VA (Department of Veterans Affairs)	$3,605,171	0.3%	Rank history: #59 in FY2021 and not on the FY2022–FY2024 lists; up 51 since FY2024.
60	Aprea Group LLC Top agencies VA (Department of Veterans Affairs)	$3,588,265	0.3%	Rank history: not on the FY2021–FY2024 lists; up 84 since FY2024.
61	Citywide Mobile Response Corp Top agencies VA (Department of Veterans Affairs)	$3,410,118	0.3%	Rank history: #66 in FY2021, not on the FY2022–FY2023 lists and #52 in FY2024; down 9 since FY2024.
62	Pro Care Emergency Medical Services, LLC Top agencies VA (Department of Veterans Affairs)	$3,294,280	0.3%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #42 in FY2024; down 20 since FY2024.
63	Four Winds Staffing LLC Top agencies HHS (Department of Health and Human Services)	$3,254,198	0.2%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
64	Distinctive Health Spectrum Care JV LLC Through Distinctive Spectrum Healthcare Solutions JV LLC Top agencies DHA (Defense Health Agency)	$3,251,789	0.2%	Rank history: not on the FY2021–FY2024 lists; up 202 since FY2024.
65	Navarre Corporation Top agencies VA (Department of Veterans Affairs)	$3,207,613	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, #73 in FY2023 and not on the FY2024 list; up 99 since FY2024.
66	Center for Organ Recovery & Education Top agencies VA (Department of Veterans Affairs)	$3,202,157	0.2%	Rank history: #49 in FY2021, #80 in FY2022, #91 in FY2023 and #59 in FY2024; down 7 since FY2024.
67	Emergency Response Logistics, LLC Top agencies USDA (Department of Agriculture)	$3,099,766	0.2%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; down 2 since FY2024.
68	Able Ambulance Inc Top agencies VA (Department of Veterans Affairs)	$3,067,389	0.2%	Rank history: not on the FY2021–FY2024 lists; up 46 since FY2024.
69	Medforce Government Solutions, Inc. Top agencies DHA (Defense Health Agency)	$2,973,809	0.2%	Rank history: #19 in FY2021, #15 in FY2022, #29 in FY2023 and #54 in FY2024; down 15 since FY2024.
70	The Chenega Corporation 2 awardees, including Chenega Healthcare Services LLC and Chenega Reliable Services LLC Top agencies DOE (Department of Energy)	$2,916,634	0.2%	Rank history: #31 in FY2021, #86 in FY2022, #41 in FY2023 and not on the FY2024 list; up 264 since FY2024.
71	Bradsher, James E Top agencies VA (Department of Veterans Affairs)	$2,840,582	0.2%	Rank history: #52 in FY2021, #51 in FY2022, #57 in FY2023 and #44 in FY2024; down 27 since FY2024.
72	Pafford Medical Services, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$2,722,776	0.2%	Rank history: not on the FY2021–FY2024 lists; up 379 since FY2024.
73	Sword Health Inc. Top agencies DHA (Defense Health Agency)	$2,605,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
74	Priority One Medical Transport Inc. Top agencies VA (Department of Veterans Affairs)	$2,600,000	0.2%	Rank history: #91 in FY2021, #100 in FY2022, not on the FY2023 list and #68 in FY2024; down 6 since FY2024.
75	Csrs3 LLC Top agencies DHA (Defense Health Agency)	$2,593,834	0.2%	Rank history: not on the FY2021–FY2024 lists; up 87 since FY2024.
76	The Native American Rehabilitation Association of the Northwest, Incorporated Top agencies HHS (Department of Health and Human Services)	$2,543,023	0.2%	Rank history: #47 in FY2021, #71 in FY2022, #61 in FY2023 and #79 in FY2024; up 3 since FY2024.
77	Oregon Health & Science University Top agencies VA (Department of Veterans Affairs)	$2,467,768	0.2%	Rank history: #46 in FY2021, #54 in FY2022, #19 in FY2023 and #40 in FY2024; down 37 since FY2024.
78	Muskogee County Ems Top agencies VA (Department of Veterans Affairs)	$2,423,364	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
79	Modern Healthcare Services JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$2,408,191	0.2%	Rank history: #44 in FY2021, #60 in FY2022, #53 in FY2023 and #73 in FY2024; down 6 since FY2024.
80	C.h.l. Ems, Inc. Top agencies USDA (Department of Agriculture)	$2,376,953	0.2%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 2 since FY2024.
81	Western-Star Hospital Authority Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,339,089	0.2%	Rank history: #85 in FY2021, #61 in FY2022, #23 in FY2023 and not on the FY2024 list; returned.
82	Posterity Group LLC Through Defense Health Professionals LLC Top agencies DHA (Defense Health Agency)	$2,204,508	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
83	Metro West Ambulance Service, Inc. Top agencies VA (Department of Veterans Affairs)	$2,127,955	0.2%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 16 since FY2024.
84	Jan-Care Ambulance of Raleigh County, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$2,122,732	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
85	Wilderness Medics, Inc. Top agencies USDA (Department of Agriculture)	$2,066,457	0.2%	Rank history: #72 in FY2021, not on the FY2022 list, #82 in FY2023 and #72 in FY2024; down 13 since FY2024.
86	Midwest Medical Transport Company LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$2,051,255	0.2%	Rank history: not on the FY2021–FY2024 lists; up 196 since FY2024.
87	University of Arizona Top agencies HHS (Department of Health and Human Services)	$2,045,051	0.2%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 2 since FY2024.
88	Precision Rescue, LLP Top agencies USDA (Department of Agriculture)	$2,011,284	0.2%	Rank history: not on the FY2021–FY2024 lists; up 229 since FY2024.
89	Backcountry Response, LLC Top agencies USDA (Department of Agriculture)	$1,958,203	0.2%	Rank history: not on the FY2021–FY2024 lists; up 151 since FY2024.
90	National Marrow Donor Program Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$1,950,260	0.1%	Rank history: #3 in FY2021, #53 in FY2022, #79 in FY2023 and not on the FY2024 list; up 13 since FY2024.
91	General Infomatics-A Service Disabled Owned Veteran Business, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$1,949,777	0.1%	Rank history: #54 in FY2021, #74 in FY2022, #48 in FY2023 and not on the FY2024 list; up 24 since FY2024.
92	Miller E.m.s., L.L.C. Top agencies DHA (Defense Health Agency)	$1,946,184	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2024; up 1 since FY2024.
93	The Native Project Top agencies HHS (Department of Health and Human Services)	$1,942,421	0.1%	Rank history: #81 in FY2021, #93 in FY2022, #77 in FY2023 and #94 in FY2024; up 1 since FY2024.
94	Mayo Clinic Ambulance Top agencies VA (Department of Veterans Affairs)	$1,924,844	0.1%	Rank history: not on the FY2021–FY2024 lists; up 121 since FY2024.
95	Minuteman Ems LLC Top agencies USDA (Department of Agriculture)	$1,922,033	0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #67 in FY2023 and #75 in FY2024; down 20 since FY2024.
96	Native American Development Corp Top agencies HHS (Department of Health and Human Services)	$1,824,429	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and #98 in FY2024; up 2 since FY2024.
97	Emergency Physicians Medical Group P.C 2 awardees, including Medevac Midamerica, Inc. and River Medical Incorporated Top agencies VA (Department of Veterans Affairs)	$1,795,741	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	San Diego American Indian Health Center Top agencies HHS (Department of Health and Human Services)	$1,770,854	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Rough Country Response LLC Top agencies USDA (Department of Agriculture)	$1,764,358	0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; down 13 since FY2024.
100	Best Practice Medicine LLC Top agencies USDA (Department of Agriculture) DOJ (Department of Justice)	$1,760,788	0.1%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2024; down 10 since FY2024.

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100 of 538 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 6219

Code	Net obligations	Largest contractor
62191 Ambulance Services	$422,860,314	American Medical Response West
62199 All Other Ambulatory Health Care Services	$421,349,269	Acuity-Chs, LLC

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 $1.3 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 6219 contractors in FY2025?

1. American Medical Response West ($102M), 2. Acuity-Chs, LLC ($36.2M), 3. The Arora Group, Inc. ($35.5M), 4. Amergis Healthcare Staffing Inc. ($34.4M), 5. Servefed Inc. ($25.8M), 6. Excelsior Ambulance Service Inc. ($23.9M), 7. The American National Red Cross ($23.7M), 8. Ingenesis Inc. ($22.6M), 9. LMR Technical Group LLC ($17.4M), 10. Cognito Systems LLC ($16.3M).

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