Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2023

Name: Top 100 Contractors in NAICS 6219: Other Ambulatory Health Care Services, FY2023
Creator: GovTribe

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

The top 10 won 42% of FY2023 NAICS 6219 contract dollars

Contract obligations: $1,030,443,301 Net of deobligations, by contracts coded NAICS 6219 or a code under it
Contractors: 543 Parent companies with an obligation
Largest contractor: STG International, Inc. $127 million, 10.2% 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	STG International, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DOI (Department of the Interior)	$126,746,272	10.2%	Rank history: #2 in FY2021, #5 in FY2022, #2 in FY2024 and #11 in FY2025; up 4 since FY2022.
2	CVS Health Corporation Through CVS Pharmacy, Inc. Top agencies HHS (Department of Health and Human Services)	$120,779,416	9.7%	Rank history: not on the FY2021 list, #3 in FY2022, #7 in FY2024 and not on the FY2025 list; up 1 since FY2022.
3	Walgreen Co. Top agencies HHS (Department of Health and Human Services)	$83,625,000	6.7%	Rank history: not on the FY2021 list, #1 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
4	Ami Expeditionary Healthcare (USA) LLC Top agencies DHS (Department of Homeland Security)	$55,237,016	4.4%	Rank history: not on the FY2021 list, #6 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
5	Anthony & Associates Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$28,119,378	2.3%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and not on the FY2025 list; up 125 since FY2022.
6	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)	$24,916,056	2.0%	Rank history: #4 in FY2021, #8 in FY2022, #5 in FY2024 and #7 in FY2025; up 2 since FY2022.
7	Servefed Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$23,766,945	1.9%	Rank history: #11 in FY2021, #9 in FY2022, #6 in FY2024 and #5 in FY2025; up 2 since FY2022.
8	Excelsior Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$18,442,451	1.5%	Rank history: #18 in FY2021, #11 in FY2022, #8 in FY2024 and #6 in FY2025; up 3 since FY2022.
9	Dilligas Corp Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$18,125,699	1.5%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2024 and #14 in FY2025; up 133 since FY2022.
10	Reliance Medical Transport, LLC Top agencies VA (Department of Veterans Affairs)	$15,984,112	1.3%	Rank history: #53 in FY2021, #20 in FY2022, #12 in FY2024 and #12 in FY2025; up 10 since FY2022.
11	Destiny Management Services, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$15,127,531	1.2%	Rank history: #14 in FY2021, #26 in FY2022, #10 in FY2024 and #17 in FY2025; up 15 since FY2022.
12	Avosys Technology, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$14,591,211	1.2%	Rank history: #22 in FY2021, #28 in FY2022, #43 in FY2024 and #38 in FY2025; up 16 since FY2022.
13	Cognito Systems LLC Top agencies Army (Department of the Army)	$14,390,271	1.2%	Rank history: #9 in FY2021, #13 in FY2022, #9 in FY2024 and #10 in FY2025; unchanged since FY2022.
14	CHS Middle East LLC Through Acuity-Chs, LLC Top agencies DHS (Department of Homeland Security)	$12,447,131	1.0%	Rank history: #6 in FY2021, #12 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
15	Health Partner's Management Group, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$11,680,012	0.9%	Rank history: #21 in FY2021, #23 in FY2022, #11 in FY2024 and #15 in FY2025; up 8 since FY2022.
16	United Medevac Solutions, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$11,237,934	0.9%	Rank history: #8 in FY2021, #14 in FY2022, #18 in FY2024 and #37 in FY2025; down 2 since FY2022.
17	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)	$10,131,192	0.8%	Rank history: #17 in FY2021, #19 in FY2022, #16 in FY2024 and #36 in FY2025; up 2 since FY2022.
18	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) Army (Department of the Army)	$9,945,020	0.8%	Rank history: #29 in FY2021, #17 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
19	Oregon Health & Science University Top agencies VA (Department of Veterans Affairs)	$9,684,528	0.8%	Rank history: #46 in FY2021, #54 in FY2022, #40 in FY2024 and #80 in FY2025; up 35 since FY2022.
20	CS Holding Inc. Through CG Services LLC Top agencies DHA (Defense Health Agency)	$8,998,009	0.7%	Rank history: #15 in FY2021, #35 in FY2022, #14 in FY2024 and not on the FY2025 list; up 15 since FY2022.
21	Medshore Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$8,749,333	0.7%	Rank history: #10 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
22	Gerald L Ignace Indian Health Center Inc. Top agencies HHS (Department of Health and Human Services)	$8,492,698	0.7%	Rank history: not on the FY2021 list, #41 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
23	Western-Star Hospital Authority Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$8,221,871	0.7%	Rank history: #85 in FY2021, #61 in FY2022, not on the FY2024 list and #85 in FY2025; up 38 since FY2022.
24	Koniag, Inc. Through Kadiak LLC Top agencies DHS (Department of Homeland Security)	$8,184,697	0.7%	Rank history: #36 in FY2021, #21 in FY2022, not on the FY2024 list and #26 in FY2025; down 3 since FY2022.
25	Medex Medical Transport Service Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$8,002,902	0.6%	Rank history: #69 in FY2021, #42 in FY2022, #53 in FY2024 and #20 in FY2025; up 17 since FY2022.
26	T3I, Inc. Top agencies USAF (Department of the Air Force)	$7,684,548	0.6%	Rank history: #16 in FY2021, #38 in FY2022, #17 in FY2024 and #22 in FY2025; up 12 since FY2022.
27	Gift of Hope Organ & Tissue Donor Network Top agencies VA (Department of Veterans Affairs)	$7,091,530	0.6%	Rank history: #65 in FY2021, #85 in FY2022, #48 in FY2024 and #44 in FY2025; up 58 since FY2022.
28	Jan-Care Ambulance of North Central W.va., Inc. Top agencies VA (Department of Veterans Affairs)	$6,916,657	0.6%	Rank history: #23 in FY2021, #18 in FY2022, #24 in FY2024 and #19 in FY2025; down 10 since FY2022.
29	Medforce Government Solutions, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,810,008	0.5%	Rank history: #19 in FY2021, #15 in FY2022, #54 in FY2024 and #72 in FY2025; down 14 since FY2022.
30	Duke University Top agencies HHS (Department of Health and Human Services)	$6,075,000	0.5%	Rank history: #93 in FY2021, #33 in FY2022, #45 in FY2024 and #51 in FY2025; up 3 since FY2022.
31	Empowered Management Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$6,056,605	0.5%	Rank history: #12 in FY2021, #16 in FY2022, #33 in FY2024 and not on the FY2025 list; down 15 since FY2022.
32	Quacito LLC Top agencies Army (Department of the Army)	$5,964,613	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
33	Stratus Federal Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,726,615	0.5%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #47 in FY2025; up 106 since FY2022.
34	Caban Resources LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,693,689	0.5%	Rank history: #61 in FY2021, #62 in FY2022 and not on the FY2024–FY2025 lists; up 28 since FY2022.
35	Seattle Indian Health Board Top agencies HHS (Department of Health and Human Services)	$5,545,443	0.4%	Rank history: #26 in FY2021, #40 in FY2022, #34 in FY2024 and #40 in FY2025; up 5 since FY2022.
36	Distinctive Spectrum Healthcare Solutions JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$5,505,133	0.4%	Rank history: #30 in FY2021, #31 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
37	Forensic Drug & Alcohol Testing LLC 2 awardees Top agencies DOT (Department of Transportation) NRC (Nuclear Regulatory Commission) DHS (Department of Homeland Security)	$5,087,076	0.4%	Rank history: #55 in FY2021, #44 in FY2022, #23 in FY2024 and #28 in FY2025; up 7 since FY2022.
38	Defense Health Professionals LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$4,680,826	0.4%	Rank history: #35 in FY2021, #37 in FY2022, #57 in FY2024 and #86 in FY2025; down 1 since FY2022.
39	Blood Systems Inc. 2 awardees, including Vitalant and Lifestream Blood Bank Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$4,569,234	0.4%	Rank history: #32 in FY2021, #48 in FY2022, #29 in FY2024 and #33 in FY2025; up 9 since FY2022.
40	Bloodworks Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$4,484,947	0.4%	Rank history: #28 in FY2021, #39 in FY2022, #46 in FY2024 and #50 in FY2025; down 1 since FY2022.
41	The Chenega Corporation 3 awardees, including Chenega Healthcare Services LLC, American Hospital Services Group LLC and Chenega Reliable Services LLC Top agencies DOE (Department of Energy) USAF (Department of the Air Force)	$4,416,159	0.4%	Rank history: #31 in FY2021, #86 in FY2022 and not on the FY2024–FY2025 lists; up 45 since FY2022.
42	Ambulance Management Services Limited Top agencies VA (Department of Veterans Affairs)	$4,364,877	0.4%	Rank history: #63 in FY2021, #58 in FY2022, #38 in FY2024 and #49 in FY2025; up 16 since FY2022.
43	Rocky Mountain Holdings L.L.C 2 awardees, including Air Methods, LLC Top agencies DHA (Defense Health Agency)	$4,299,422	0.3%	Rank history: #33 in FY2021, #47 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
44	Mercy Air Service Inc Top agencies Navy (Department of the Navy) DOJ (Department of Justice)	$4,269,632	0.3%	Rank history: not on the FY2021 list, #45 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
45	Standard Technology, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$4,171,748	0.3%	Rank history: #34 in FY2021, #46 in FY2022, #49 in FY2024 and not on the FY2025 list; up 1 since FY2022.
46	Legacy Ems Inc. Top agencies USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$4,124,086	0.3%	Rank history: not on the FY2021 list, #78 in FY2022, #96 in FY2024 and #55 in FY2025; up 32 since FY2022.
47	American Medical Response of Tennessee Inc. Top agencies VA (Department of Veterans Affairs)	$3,821,507	0.3%	Rank history: #43 in FY2021, #57 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
48	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)	$3,783,481	0.3%	Rank history: #54 in FY2021, #74 in FY2022, not on the FY2024 list and #96 in FY2025; up 26 since FY2022.
49	HVM Associates LLC Top agencies VA (Department of Veterans Affairs)	$3,449,188	0.3%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; up 15 since FY2022.
50	Journey Via Gurney, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$3,401,265	0.3%	Rank history: #48 in FY2021, #49 in FY2022, #28 in FY2024 and #35 in FY2025; down 1 since FY2022.
51	Indian Health Board of Minneapolis, Inc. Top agencies HHS (Department of Health and Human Services)	$3,342,273	0.3%	Rank history: not on the FY2021 list, #10 in FY2022 and not on the FY2024–FY2025 lists; down 41 since FY2022.
52	Front Line Ems LLC Top agencies USDA (Department of Agriculture) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$3,314,358	0.3%	Rank history: #25 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; down 22 since FY2022.
53	Modern Healthcare Services JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$3,133,394	0.3%	Rank history: #44 in FY2021, #60 in FY2022, #73 in FY2024 and #82 in FY2025; up 7 since FY2022.
54	Washington County - Johnson City Emergency Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$3,131,009	0.3%	Rank history: #87 in FY2021, #91 in FY2022 and not on the FY2024–FY2025 lists; up 37 since FY2022.
55	First Care Ohio LLC Top agencies VA (Department of Veterans Affairs)	$2,910,926	0.2%	Rank history: #76 in FY2021, #88 in FY2022, #25 in FY2024 and #29 in FY2025; up 33 since FY2022.
56	Jcsd Emergency Medical Group, Inc. Through Medicone Medical Response of Tennessee, Inc. Top agencies VA (Department of Veterans Affairs)	$2,884,411	0.2%	Rank history: not on the FY2021 list, #63 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
57	Bradsher, James E Top agencies VA (Department of Veterans Affairs)	$2,839,847	0.2%	Rank history: #52 in FY2021, #51 in FY2022, #44 in FY2024 and #74 in FY2025; down 6 since FY2022.
58	Arapaho Technical Services LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$2,839,170	0.2%	Rank history: #50 in FY2021, #65 in FY2022, #21 in FY2024 and #21 in FY2025; up 7 since FY2022.
59	Goldbelt Apex, LLC Top agencies Army (Department of the Army)	$2,789,111	0.2%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2024 and not on the FY2025 list; new.
60	Mindleaf Technologies Inc. Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$2,771,994	0.2%	Rank history: #42 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; down 28 since FY2022.
61	The Native American Rehabilitation Association of the Northwest, Incorporated Top agencies HHS (Department of Health and Human Services)	$2,645,402	0.2%	Rank history: #47 in FY2021, #71 in FY2022, #79 in FY2024 and #79 in FY2025; up 10 since FY2022.
62	Brewster Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$2,605,660	0.2%	Rank history: #24 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
63	Lifegift Organ Donation Center Top agencies VA (Department of Veterans Affairs)	$2,502,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2024 and not on the FY2025 list; up 49 since FY2022.
64	Ohio Ambulance Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$2,399,805	0.2%	Rank history: not on the FY2021 list, #52 in FY2022, not on the FY2024 list and #45 in FY2025; down 12 since FY2022.
65	Emergycare Inc. Top agencies VA (Department of Veterans Affairs)	$2,381,726	0.2%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2024–FY2025 lists; up 18 since FY2022.
66	Bay Area Anesthesia LLC Top agencies HHS (Department of Health and Human Services)	$2,357,990	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and #56 in FY2025; new.
67	Minuteman Ems LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) Army (Department of the Army)	$2,350,961	0.2%	Rank history: not on the FY2021 list, #94 in FY2022, #75 in FY2024 and #100 in FY2025; up 27 since FY2022.
68	County of Cabell Through Cabell County Emergency Services Top agencies VA (Department of Veterans Affairs)	$2,317,450	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 127 since FY2022.
69	County of Muskogee Through Muskogee County Ems Top agencies VA (Department of Veterans Affairs)	$2,281,178	0.2%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2024 and not on the FY2025 list; new.
70	Lifesouth Community Blood Centers Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$2,266,906	0.2%	Rank history: #68 in FY2021, #79 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
71	Abbott Laboratories Through Pembrooke Occupational Health, Inc. Top agencies DOI (Department of the Interior) DOE (Department of Energy) DOJ (Department of Justice)	$2,074,107	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Lifefleet Southeast Inc. Top agencies VA (Department of Veterans Affairs)	$2,067,017	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Navarre Corporation Top agencies VA (Department of Veterans Affairs)	$2,056,500	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, not on the FY2024 list and #68 in FY2025; up 9 since FY2022.
74	Native American Development Corp Top agencies HHS (Department of Health and Human Services)	$2,050,726	0.2%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2024 and not on the FY2025 list; new.
75	Emergency Physicians Medical Group P.C. Through Professional Medical Transport, Inc. Top agencies VA (Department of Veterans Affairs)	$2,000,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and not on the FY2025 list; up 140 since FY2022.
76	Procare Ambulance of Maryland, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$1,995,424	0.2%	Rank history: #80 in FY2021, #72 in FY2022, #77 in FY2024 and not on the FY2025 list; down 4 since FY2022.
77	The Native Project Top agencies HHS (Department of Health and Human Services)	$1,966,425	0.2%	Rank history: #81 in FY2021, #93 in FY2022, #94 in FY2024 and #98 in FY2025; up 16 since FY2022.
78	Indian Health Center of Santa Clara Valley Top agencies HHS (Department of Health and Human Services)	$1,944,154	0.2%	Rank history: #13 in FY2021, #89 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
79	National Marrow Donor Program Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$1,880,946	0.2%	Rank history: #3 in FY2021, #53 in FY2022, not on the FY2024 list and #95 in FY2025; down 26 since FY2022.
80	American Indian Health and Family Services of Southeastern MI, Inc. Top agencies HHS (Department of Health and Human Services)	$1,852,792	0.1%	Rank history: not on the FY2021 list, #34 in FY2022 and not on the FY2024–FY2025 lists; down 46 since FY2022.
81	Mayo Clinic Through Mayo Clinic Ambulance Top agencies VA (Department of Veterans Affairs)	$1,849,782	0.1%	Rank history: not on the FY2021 list, #70 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
82	Wilderness Medics, Inc. Top agencies USDA (Department of Agriculture)	$1,846,781	0.1%	Rank history: #72 in FY2021, not on the FY2022 list, #72 in FY2024 and #89 in FY2025; up 24 since FY2022.
83	Lifeline Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,844,465	0.1%	Rank history: #56 in FY2021, #43 in FY2022, #60 in FY2024 and #54 in FY2025; down 40 since FY2022.
84	Fresno American Indian Health Project Top agencies HHS (Department of Health and Human Services)	$1,825,033	0.1%	Rank history: #20 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 30 since FY2022.
85	Akahi Ingenesis Partners LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$1,749,237	0.1%	Rank history: #84 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; down 17 since FY2022.
86	Mercy Ambulance of Evansville, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$1,718,666	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 86 since FY2022.
87	Katmai Commodities, LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$1,707,529	0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and not on the FY2025 list; new.
88	Urban Indian Center of Salt Lake Top agencies HHS (Department of Health and Human Services)	$1,663,977	0.1%	Rank history: not on the FY2021 list, #56 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
89	Symons Emergency Specialties Inc Top agencies VA (Department of Veterans Affairs)	$1,657,059	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Asteri Consulting Services LLC Top agencies USAF (Department of the Air Force)	$1,650,742	0.1%	Rank history: #99 in FY2021, #97 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
91	Center for Organ Recovery & Education Top agencies VA (Department of Veterans Affairs)	$1,603,487	0.1%	Rank history: #49 in FY2021, #80 in FY2022, #59 in FY2024 and #69 in FY2025; down 11 since FY2022.
92	K & W Medical Services, Inc. Top agencies VA (Department of Veterans Affairs)	$1,588,723	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 49 since FY2022.
93	L-J-L Trucking, Inc. Top agencies VA (Department of Veterans Affairs)	$1,575,114	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 50 since FY2022.
94	Crest Transportation Services Inc. Top agencies VA (Department of Veterans Affairs)	$1,573,644	0.1%	Rank history: not on the FY2021 list, #92 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
95	Paramedic Systems Inc Through Alert Ambulance Service, Inc. Top agencies VA (Department of Veterans Affairs)	$1,546,221	0.1%	Rank history: #79 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 27 since FY2022.
96	Fireline Medics LLC Top agencies USDA (Department of Agriculture)	$1,531,878	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	D7, LLC Top agencies Army (Department of the Army)	$1,524,828	0.1%	Rank history: #97 in FY2021, #98 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
98	Pro Care Emergency Medical Services, LLC Top agencies VA (Department of Veterans Affairs)	$1,522,592	0.1%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2024 and #65 in FY2025; new.
99	American Indian Association of Tucson, Inc. Top agencies HHS (Department of Health and Human Services)	$1,509,624	0.1%	Rank history: not on the FY2021 list, #27 in FY2022 and not on the FY2024–FY2025 lists; down 72 since FY2022.
100	Oneblood, Inc. Top agencies VA (Department of Veterans Affairs)	$1,504,372	0.1%	Rank history: #41 in FY2021, #36 in FY2022, #36 in FY2024 and #46 in FY2025; down 64 since FY2022.

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100 of 543 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	$796,722,313	STG International, Inc.
62191 Ambulance Services	$233,720,988	Excelsior Ambulance Service 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 $1.24 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 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 6219 contractors in FY2023?

1. STG International, Inc. ($127M), 2. CVS Health Corporation ($121M), 3. Walgreen Co. ($83.6M), 4. Ami Expeditionary Healthcare (USA) LLC ($55.2M), 5. Anthony & Associates Inc. ($28.1M), 6. The American National Red Cross ($24.9M), 7. Servefed Inc. ($23.8M), 8. Excelsior Ambulance Service Inc. ($18.4M), 9. Dilligas Corp ($18.1M), 10. Reliance Medical Transport, LLC ($16M).

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