Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2022

Name: Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 60% of FY2022 NAICS 6219 contract dollars

Contract obligations: $1,484,077,019 Net of deobligations, by contracts coded NAICS 6219 or a code under it
Contractors: 499 Parent companies with an obligation
Largest contractor: Walgreen Co. $291 million, 17.1% 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	Walgreen Co. Top agencies HHS (Department of Health and Human Services)	$291,089,472	17.1%	Rank history: not on the FY2021 list, #3 in FY2023 and not on the FY2024–FY2025 lists; new.
2	American Medical Response Inc. 24 awardees, including Life Line Ambulance Service, Inc., Abbott Ambulance, Inc. and Lifefleet Southeast Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) Army (Department of the Army)	$179,641,063	10.6%	Rank history: #1 in FY2021, not on the FY2023 list, #1 in FY2024 and #1 in FY2025; down 1 since FY2021.
3	CVS Health Corporation Through CVS Pharmacy, Inc. Top agencies HHS (Department of Health and Human Services)	$164,206,800	9.6%	Rank history: not on the FY2021 list, #2 in FY2023, #7 in FY2024 and not on the FY2025 list; new.
4	Longview International Technology Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$120,112,200	7.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
5	STG International, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DOI (Department of the Interior)	$117,866,646	6.9%	Rank history: #2 in FY2021, #1 in FY2023, #2 in FY2024 and #11 in FY2025; down 3 since FY2021.
6	Ami Expeditionary Healthcare (USA) LLC Top agencies DHS (Department of Homeland Security)	$49,212,617	2.9%	Rank history: not on the FY2021 list, #4 in FY2023 and not on the FY2024–FY2025 lists; new.
7	Community Blood Center Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$31,591,020	1.9%	Rank history: not on the FY2021 list, not on the FY2023 list, #3 in FY2024 and not on the FY2025 list; new.
8	The American National Red Cross 2 awardees Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$27,364,838	1.6%	Rank history: #4 in FY2021, #6 in FY2023, #5 in FY2024 and #7 in FY2025; down 4 since FY2021.
9	Servefed Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$24,990,873	1.5%	Rank history: #11 in FY2021, #7 in FY2023, #6 in FY2024 and #5 in FY2025; up 2 since FY2021.
10	Indian Health Board of Minneapolis, Inc. Top agencies HHS (Department of Health and Human Services)	$16,092,225	0.9%	Rank history: not on the FY2021 list, #51 in FY2023 and not on the FY2024–FY2025 lists; new.
11	Excelsior Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$14,202,659	0.8%	Rank history: #18 in FY2021, #8 in FY2023, #8 in FY2024 and #6 in FY2025; up 7 since FY2021.
12	CHS Middle East LLC Through Acuity-Chs, LLC Top agencies DHS (Department of Homeland Security)	$12,735,603	0.7%	Rank history: #6 in FY2021, #14 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2021.
13	Cognito Systems LLC Top agencies Army (Department of the Army)	$11,738,033	0.7%	Rank history: #9 in FY2021, #13 in FY2023, #9 in FY2024 and #10 in FY2025; down 4 since FY2021.
14	United Medevac Solutions, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$11,069,837	0.7%	Rank history: #8 in FY2021, #16 in FY2023, #18 in FY2024 and #37 in FY2025; down 6 since FY2021.
15	Medforce Government Solutions, Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$9,773,850	0.6%	Rank history: #19 in FY2021, #29 in FY2023, #54 in FY2024 and #72 in FY2025; up 4 since FY2021.
16	Empowered Management Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$9,400,473	0.6%	Rank history: #12 in FY2021, #31 in FY2023, #33 in FY2024 and not on the FY2025 list; down 4 since FY2021.
17	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) Army (Department of the Army)	$9,321,983	0.5%	Rank history: #29 in FY2021, #18 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2021.
18	Jan-Care Ambulance of North Central W.va., Inc. Top agencies VA (Department of Veterans Affairs)	$8,650,793	0.5%	Rank history: #23 in FY2021, #28 in FY2023, #24 in FY2024 and #19 in FY2025; up 5 since FY2021.
19	Acadian Ambulance Service Inc. 2 awardees, including Acadian Ambulance Service of Tennessee, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) Army (Department of the Army)	$8,566,290	0.5%	Rank history: #17 in FY2021, #17 in FY2023, #16 in FY2024 and #36 in FY2025; down 2 since FY2021.
20	Reliance Medical Transport, LLC Top agencies VA (Department of Veterans Affairs)	$8,347,679	0.5%	Rank history: #53 in FY2021, #10 in FY2023, #12 in FY2024 and #12 in FY2025; up 33 since FY2021.
21	Koniag, Inc. Through Kadiak LLC Top agencies DHS (Department of Homeland Security)	$8,082,183	0.5%	Rank history: #36 in FY2021, #24 in FY2023, not on the FY2024 list and #26 in FY2025; up 15 since FY2021.
22	American Indian Health Service of Chicago Top agencies HHS (Department of Health and Human Services)	$7,852,939	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
23	Health Partner's Management Group, Incorporated Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$7,786,006	0.5%	Rank history: #21 in FY2021, #15 in FY2023, #11 in FY2024 and #15 in FY2025; down 2 since FY2021.
24	Dilligas Corp Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$7,521,104	0.4%	Rank history: #60 in FY2021 and not on the FY2023–FY2025 lists; up 36 since FY2021.
25	Quacito LLC Top agencies Army (Department of the Army)	$7,023,114	0.4%	Rank history: #27 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
26	Destiny Management Services, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,865,988	0.4%	Rank history: #14 in FY2021, #11 in FY2023, #10 in FY2024 and #17 in FY2025; down 12 since FY2021.
27	American Indian Association of Tucson, Inc. Top agencies HHS (Department of Health and Human Services)	$6,542,655	0.4%	Rank history: not on the FY2021 list, #99 in FY2023 and not on the FY2024–FY2025 lists; up 90 since FY2021.
28	Avosys Technology, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,490,964	0.4%	Rank history: #22 in FY2021, #12 in FY2023, #43 in FY2024 and #38 in FY2025; down 6 since FY2021.
29	Allosource Top agencies HHS (Department of Health and Human Services)	$6,453,139	0.4%	Rank history: not on the FY2021 list, not on the FY2023 list, #41 in FY2024 and not on the FY2025 list; new.
30	Front Line Ems LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$6,239,995	0.4%	Rank history: #25 in FY2021, #52 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2021.
31	Distinctive Spectrum Healthcare Solutions JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,122,855	0.4%	Rank history: #30 in FY2021, #36 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
32	Mindleaf Technologies Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$6,070,214	0.4%	Rank history: #42 in FY2021, #60 in FY2023 and not on the FY2024–FY2025 lists; up 10 since FY2021.
33	Duke University 2 awardees Top agencies HHS (Department of Health and Human Services)	$5,737,200	0.3%	Rank history: #93 in FY2021, #30 in FY2023, #45 in FY2024 and #51 in FY2025; up 60 since FY2021.
34	American Indian Health and Family Services of Southeastern MI, Inc. Top agencies HHS (Department of Health and Human Services)	$5,504,780	0.3%	Rank history: not on the FY2021 list, #80 in FY2023 and not on the FY2024–FY2025 lists; new.
35	CS Holding Inc. Through CG Services LLC Top agencies DHA (Defense Health Agency)	$5,294,659	0.3%	Rank history: #15 in FY2021, #20 in FY2023, #14 in FY2024 and not on the FY2025 list; down 20 since FY2021.
36	Oneblood, Inc. Top agencies VA (Department of Veterans Affairs)	$5,241,795	0.3%	Rank history: #41 in FY2021, #100 in FY2023, #36 in FY2024 and #46 in FY2025; up 5 since FY2021.
37	Defense Health Professionals LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,240,394	0.3%	Rank history: #35 in FY2021, #38 in FY2023, #57 in FY2024 and #86 in FY2025; down 2 since FY2021.
38	T3I, Inc. Top agencies USAF (Department of the Air Force)	$5,220,399	0.3%	Rank history: #16 in FY2021, #26 in FY2023, #17 in FY2024 and #22 in FY2025; down 22 since FY2021.
39	Bloodworks Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$5,168,643	0.3%	Rank history: #28 in FY2021, #40 in FY2023, #46 in FY2024 and #50 in FY2025; down 11 since FY2021.
40	Seattle Indian Health Board Top agencies HHS (Department of Health and Human Services)	$5,145,574	0.3%	Rank history: #26 in FY2021, #35 in FY2023, #34 in FY2024 and #40 in FY2025; down 14 since FY2021.
41	Gerald L Ignace Indian Health Center Inc. Top agencies HHS (Department of Health and Human Services)	$4,747,358	0.3%	Rank history: not on the FY2021 list, #22 in FY2023 and not on the FY2024–FY2025 lists; new.
42	Medex Medical Transport Service Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$4,703,869	0.3%	Rank history: #69 in FY2021, #25 in FY2023, #53 in FY2024 and #20 in FY2025; up 27 since FY2021.
43	Lifeline Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$4,676,349	0.3%	Rank history: #56 in FY2021, #83 in FY2023, #60 in FY2024 and #54 in FY2025; up 13 since FY2021.
44	Forensic Drug & Alcohol Testing LLC Top agencies DOT (Department of Transportation) NRC (Nuclear Regulatory Commission) DOJ (Department of Justice)	$4,567,808	0.3%	Rank history: #55 in FY2021, #37 in FY2023, #23 in FY2024 and #28 in FY2025; up 11 since FY2021.
45	Mercy Air Service Inc Top agencies Navy (Department of the Navy)	$4,514,014	0.3%	Rank history: not on the FY2021 list, #44 in FY2023 and not on the FY2024–FY2025 lists; new.
46	Standard Technology, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$4,500,533	0.3%	Rank history: #34 in FY2021, #45 in FY2023, #49 in FY2024 and not on the FY2025 list; down 12 since FY2021.
47	Rocky Mountain Holdings L.L.C 2 awardees, including Air Methods, LLC Top agencies Army (Department of the Army) DOJ (Department of Justice)	$4,458,308	0.3%	Rank history: #33 in FY2021, #43 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2021.
48	Blood Systems Inc. 2 awardees, including Vitalant Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$4,388,157	0.3%	Rank history: #32 in FY2021, #39 in FY2023, #29 in FY2024 and #33 in FY2025; down 16 since FY2021.
49	Journey Via Gurney, LLC Top agencies VA (Department of Veterans Affairs)	$4,234,421	0.2%	Rank history: #48 in FY2021, #50 in FY2023, #28 in FY2024 and #35 in FY2025; down 1 since FY2021.
50	Lifecare of Alabama Inc. Top agencies VA (Department of Veterans Affairs)	$4,067,878	0.2%	Rank history: #40 in FY2021 and not on the FY2023–FY2025 lists; down 10 since FY2021.
51	Bradsher, James E Top agencies VA (Department of Veterans Affairs)	$3,613,401	0.2%	Rank history: #52 in FY2021, #57 in FY2023, #44 in FY2024 and #74 in FY2025; up 1 since FY2021.
52	Ohio Ambulance Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$3,541,209	0.2%	Rank history: not on the FY2021 list, #64 in FY2023, not on the FY2024 list and #45 in FY2025; up 210 since FY2021.
53	National Marrow Donor Program Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$3,314,271	0.2%	Rank history: #3 in FY2021, #79 in FY2023, not on the FY2024 list and #95 in FY2025; down 50 since FY2021.
54	Oregon Health & Science University Top agencies VA (Department of Veterans Affairs)	$3,207,008	0.2%	Rank history: #46 in FY2021, #19 in FY2023, #40 in FY2024 and #80 in FY2025; down 8 since FY2021.
55	Brewster Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$3,068,442	0.2%	Rank history: #24 in FY2021, #62 in FY2023 and not on the FY2024–FY2025 lists; down 31 since FY2021.
56	Urban Indian Center of Salt Lake Top agencies HHS (Department of Health and Human Services)	$3,032,032	0.2%	Rank history: not on the FY2021 list, #88 in FY2023 and not on the FY2024–FY2025 lists; new.
57	American Medical Response of Tennessee Inc. Top agencies VA (Department of Veterans Affairs)	$3,019,936	0.2%	Rank history: #43 in FY2021, #47 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2021.
58	Ambulance Management Services Limited Top agencies VA (Department of Veterans Affairs)	$2,950,180	0.2%	Rank history: #63 in FY2021, #42 in FY2023, #38 in FY2024 and #49 in FY2025; up 5 since FY2021.
59	Eagle Health, LLC Top agencies Army (Department of the Army)	$2,939,731	0.2%	Rank history: #58 in FY2021 and not on the FY2023–FY2025 lists; down 1 since FY2021.
60	Modern Healthcare Services JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$2,909,393	0.2%	Rank history: #44 in FY2021, #53 in FY2023, #73 in FY2024 and #82 in FY2025; down 16 since FY2021.
61	Western-Star Hospital Authority Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,908,040	0.2%	Rank history: #85 in FY2021, #23 in FY2023, not on the FY2024 list and #85 in FY2025; up 24 since FY2021.
62	Caban Resources LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$2,857,525	0.2%	Rank history: #61 in FY2021, #34 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
63	Jcsd Emergency Medical Group, Inc. Through Medicone Medical Response of Tennessee, Inc. Top agencies VA (Department of Veterans Affairs)	$2,799,130	0.2%	Rank history: not on the FY2021 list, #56 in FY2023 and not on the FY2024–FY2025 lists; up 62 since FY2021.
64	HVM Associates LLC Top agencies VA (Department of Veterans Affairs)	$2,790,076	0.2%	Rank history: not on the FY2021 list, #49 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2021.
65	Arapaho Technical Services LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$2,787,026	0.2%	Rank history: #50 in FY2021, #58 in FY2023, #21 in FY2024 and #21 in FY2025; down 15 since FY2021.
66	Abbott Ambulance, Inc. Top agencies VA (Department of Veterans Affairs)	$2,782,731	0.2%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #83 in FY2025; new.
67	CG Services LLC Top agencies DHA (Defense Health Agency)	$2,525,457	0.1%	Rank history: not on the FY2021 list, not on the FY2023 list, #13 in FY2024 and #16 in FY2025; new.
68	Akahi Ingenesis Partners LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$2,459,593	0.1%	Rank history: #84 in FY2021, #85 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2021.
69	Anthony & Associates, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHA (Defense Health Agency)	$2,428,924	0.1%	Rank history: #62 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
70	Mayo Clinic Through Mayo Clinic Ambulance Top agencies VA (Department of Veterans Affairs)	$2,424,860	0.1%	Rank history: not on the FY2021 list, #81 in FY2023 and not on the FY2024–FY2025 lists; up 97 since FY2021.
71	The Native American Rehabilitation Association of the Northwest, Incorporated Top agencies HHS (Department of Health and Human Services)	$2,405,622	0.1%	Rank history: #47 in FY2021, #61 in FY2023, #79 in FY2024 and #79 in FY2025; down 24 since FY2021.
72	Procare Ambulance of Maryland, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$2,387,770	0.1%	Rank history: #80 in FY2021, #76 in FY2023, #77 in FY2024 and not on the FY2025 list; up 8 since FY2021.
73	Business Enabled Acquisition and Technology, Inc. Top agencies DHA (Defense Health Agency)	$2,382,622	0.1%	Rank history: #38 in FY2021 and not on the FY2023–FY2025 lists; down 35 since FY2021.
74	General Infomatics-A Service Disabled Owned Veteran Business, Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$2,321,253	0.1%	Rank history: #54 in FY2021, #48 in FY2023, not on the FY2024 list and #96 in FY2025; down 20 since FY2021.
75	Triple Canopy Inc. Through Centerra Group, LLC Top agencies DOS (Department of State)	$2,301,691	0.1%	Rank history: #89 in FY2021 and not on the FY2023–FY2025 lists; up 14 since FY2021.
76	Carter Bloodcare Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,264,236	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 33 since FY2021.
77	San Diego Blood Bank Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$2,188,838	0.1%	Rank history: #57 in FY2021 and not on the FY2023–FY2025 lists; down 20 since FY2021.
78	Legacy Ems Inc. Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$2,160,647	0.1%	Rank history: not on the FY2021 list, #46 in FY2023, #96 in FY2024 and #55 in FY2025; up 99 since FY2021.
79	Lifesouth Community Blood Centers Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$2,107,361	0.1%	Rank history: #68 in FY2021, #70 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2021.
80	Center for Organ Recovery & Education Top agencies VA (Department of Veterans Affairs)	$2,093,220	0.1%	Rank history: #49 in FY2021, #91 in FY2023, #59 in FY2024 and #69 in FY2025; down 31 since FY2021.
81	Erprosource360 LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$2,088,521	0.1%	Rank history: #83 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
82	Navarre Corporation Top agencies VA (Department of Veterans Affairs)	$2,056,500	0.1%	Rank history: not on the FY2021 list, #73 in FY2023, not on the FY2024 list and #68 in FY2025; new.
83	Emergycare Inc. Top agencies VA (Department of Veterans Affairs)	$2,000,075	0.1%	Rank history: not on the FY2021 list, #65 in FY2023 and not on the FY2024–FY2025 lists; up 99 since FY2021.
84	Coordinated Transportation Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$1,987,754	0.1%	Rank history: #98 in FY2021, not on the FY2023 list, #95 in FY2024 and not on the FY2025 list; up 14 since FY2021.
85	Gift of Hope Organ & Tissue Donor Network Top agencies VA (Department of Veterans Affairs)	$1,873,440	0.1%	Rank history: #65 in FY2021, #27 in FY2023, #48 in FY2024 and #44 in FY2025; down 20 since FY2021.
86	The Chenega Corporation 4 awardees, including Chenega Healthcare Services LLC, American Hospital Services Group LLC and Chenega Reliable Services LLC Top agencies DOE (Department of Energy) WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$1,855,318	0.1%	Rank history: #31 in FY2021, #41 in FY2023 and not on the FY2024–FY2025 lists; down 55 since FY2021.
87	Freedom-Elite Joint Venture Top agencies VA (Department of Veterans Affairs)	$1,828,378	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 133 since FY2021.
88	First Care Ohio LLC Top agencies VA (Department of Veterans Affairs)	$1,827,342	0.1%	Rank history: #76 in FY2021, #55 in FY2023, #25 in FY2024 and #29 in FY2025; down 12 since FY2021.
89	Indian Health Center of Santa Clara Valley Top agencies HHS (Department of Health and Human Services)	$1,758,491	0.1%	Rank history: #13 in FY2021, #78 in FY2023 and not on the FY2024–FY2025 lists; down 76 since FY2021.
90	Rico Aviation, LLC Top agencies VA (Department of Veterans Affairs)	$1,721,109	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 166 since FY2021.
91	Washington County - Johnson City Emergency Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,649,506	0.1%	Rank history: #87 in FY2021, #54 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2021.
92	Crest Transportation Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,639,385	0.1%	Rank history: not on the FY2021 list, #94 in FY2023 and not on the FY2024–FY2025 lists; up 59 since FY2021.
93	The Native Project Top agencies HHS (Department of Health and Human Services)	$1,628,967	0.1%	Rank history: #81 in FY2021, #77 in FY2023, #94 in FY2024 and #98 in FY2025; down 12 since FY2021.
94	Minuteman Ems LLC Top agencies HHS (Department of Health and Human Services)	$1,610,560	0.1%	Rank history: not on the FY2021 list, #67 in FY2023, #75 in FY2024 and #100 in FY2025; new.
95	Portsmouth Medic Transport LLC Top agencies VA (Department of Veterans Affairs)	$1,573,067	0.1%	Rank history: #90 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
96	Blackhawk Medical Transportation Inc. Top agencies VA (Department of Veterans Affairs)	$1,566,573	0.1%	Rank history: #92 in FY2021 and not on the FY2023–FY2025 lists; down 4 since FY2021.
97	Asteri Consulting Services LLC Top agencies USAF (Department of the Air Force)	$1,548,075	0.1%	Rank history: #99 in FY2021, #90 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2021.
98	D7, LLC Top agencies Army (Department of the Army)	$1,460,245	0.1%	Rank history: #97 in FY2021, #97 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
99	Inflight Medical Services International, Inc. Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$1,444,664	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 39 since FY2021.
100	Priority One Medical Transport Inc. Top agencies VA (Department of Veterans Affairs)	$1,443,827	0.1%	Rank history: #91 in FY2021, not on the FY2023 list, #68 in FY2024 and #77 in FY2025; down 9 since FY2021.

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100 of 499 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 6219

Code	Net obligations	Largest contractor
62199 All Other Ambulatory Health Care Services	$1,152,039,665	Walgreen Co.
62191 Ambulance Services	$332,037,354	American Medical Response 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 $1.7 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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 FY2022?

1. Walgreen Co. ($291M), 2. American Medical Response Inc. ($180M), 3. CVS Health Corporation ($164M), 4. Longview International Technology Solutions, Inc. ($120M), 5. STG International, Inc. ($118M), 6. Ami Expeditionary Healthcare (USA) LLC ($49.2M), 7. Community Blood Center ($31.6M), 8. The American National Red Cross ($27.4M), 9. Servefed Inc. ($25M), 10. Indian Health Board of Minneapolis, Inc. ($16.1M).

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