NAICS Subsector 624: Social Assistance
Subsector
Definition
Industries in the Social Assistance subsector provide a wide variety of social assistance services directly to their clients. These services do not include residential or accommodation services, except on a short-stay basis.
Government contracts for this service: PSC G099 Other Social Services
Code facts
- Part of
-
- 62
- Codes under it
- 4
- Contract awards
- 534 In the last 12 months
- Contract obligations
- $984,352,899 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $8,588,738 |
| FY2026 | $983,601,806 |
| FY2025 | $984,352,899 |
| FY2024 | $1,214,751,689 |
| FY2023 | $1,898,834,562 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Magellan Federal, Inc. | $268,833,021 | |
| 2 | Leidos, Inc. | $231,811,370 | |
| 3 | Leidos, Inc. | $82,317,217 | |
| 4 | Choctaw Premier Services LLC | $41,270,260 | |
| 5 | Home Builders Institute | $31,066,567 | |
| 6 | Family Endeavors, Inc. | $27,746,760 | |
| 7 | Lifecare, Inc. | $24,624,132 | |
| 8 | UBC National Job Corps Training Fund Inc. | $22,738,619 | |
| 9 | The Young Center For Immigrant Childrens Rights | $13,022,961 | |
| 10 | International Union Of Operating Engineers National Training Fund | $11,584,569 |
See the full FY2025 ranking of NAICS 624 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | DOD Education Activity | $565,161,806 | |
| 2 | Department of Veterans Affairs | $141,032,976 | |
| 3 | Department of Labor | $108,152,198 | |
| 4 | Department of Homeland Security | $88,698,628 | |
| 5 | Department of the Army | $57,581,812 | |
| 6 | Department of the Navy | $13,197,587 | |
| 7 | Department of the Treasury | $7,676,271 | |
| 8 | Defense Human Resources Activity | $6,638,001 | |
| 9 | Air Force | $4,219,451 | |
| 10 | Department of Justice | $3,458,774 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | G099 Other Social Services | $592,687,804 | |
| 2 |
U006 Vocational/ |
$116,755,922 | |
| 3 | G004 Social Rehabilitation Services | $81,025,164 | |
| 4 | R499 Other Professional Services | $60,435,481 | |
| 5 | R401 Personal Care Services (includes such services as barber and beauty shop, shoe repairs, tailoring, etc.) | $52,432,598 | |
| 6 | Q201 Medical – Managed Healthcare | $26,348,261 | |
| 7 |
R410 Support – Professional: Program Evaluation/ |
$15,367,996 | |
| 8 |
R408 Program Management/ |
$14,036,764 | |
| 9 | 8415 Clothing, Special Purpose | $7,680,471 | |
| 10 | R799 Other Management Support Services | $7,677,011 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $603,735,368 | |
| 2 | District of Columbia | $130,962,086 | |
| 3 | Kentucky | $41,834,216 | |
| 4 | California | $29,762,262 | |
| 5 | Maryland | $24,045,635 | |
| 6 | Nevada | $22,436,459 | |
| 7 | Texas | $15,669,578 | |
| 8 | Illinois | $13,120,858 | |
| 9 | New York | $8,630,795 | |
| 10 | Oklahoma | $7,679,896 | |
| 11 | Massachusetts | $6,984,574 | |
| 12 | Oregon | $6,232,756 | |
| 13 | Florida | $5,228,875 | |
| 14 | Pennsylvania | $4,757,448 | |
| 15 | Georgia | $4,382,597 | |
| 16 | Hawaii | $4,104,091 | |
| 17 | Indiana | $4,084,345 | |
| 18 | Arizona | $3,219,821 | |
| 19 | Missouri | $2,645,849 | |
| 20 | Kansas | $1,841,872 | |
| 21 | Washington | $1,751,778 | |
| 22 | Ohio | $1,562,727 | |
| 23 | South Carolina | $1,514,681 | |
| 24 | Michigan | $1,320,533 | |
| 25 | Nebraska | $1,163,225 | |
| 26 | Alabama | $903,960 | |
| 27 | Connecticut | $700,526 | |
| 28 | New Jersey | $560,917 | |
| 29 | Colorado | $507,259 | |
| 30 | Idaho | $448,950 | |
| 31 | Guam | $404,510 | |
| 32 | Delaware | $385,228 | |
| 33 | West Virginia | $363,684 | |
| 34 | Puerto Rico | $359,107 | |
| 35 | Arkansas | $219,609 | |
| 36 | New Mexico | $199,451 | |
| 37 | Minnesota | $187,253 | |
| 38 | Iowa | $171,009 | |
| 39 | Louisiana | $120,540 | |
| 40 | Utah | $114,561 | |
| 41 | Mississippi | $36,269 | |
| 42 | North Dakota | $18,002 | |
| 43 | New Hampshire | $11,000 | |
| 44 | Wisconsin | $10,349 | |
| 45 | Alaska | $2,996 |
Show all 45
Shares are of everything obligated under NAICS 624 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 37 more
Latest 47 of 6,010 listed here. See the rest on GovTribe.
Codes under 624
Quick answers
What is NAICS 624?
NAICS 624 is Social Assistance, a subsector in NAICS 62, Health Care and Social Assistance.
What codes are under NAICS 624?
NAICS 624 has 4 codes under it with their own GovTribe pages, including 6241 Individual and Family Services; 6242 Community Food and Housing, and Emergency and Other Relief Services; and 6243 Vocational Rehabilitation Services.
How much do federal agencies spend under NAICS 624?
Federal contracts under NAICS 624 obligated $984,352,899 in fiscal year 2025 and $5,090,129,694 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 624?
The contractors with the most obligated under NAICS 624 in fiscal years 2026 and 2027 are Magellan Federal, Inc. ($268,833,021); Leidos, Inc. ($231,811,370); and Choctaw Premier Services LLC ($41,270,260).
Which agencies buy the most under NAICS 624?
The agencies that obligated the most under NAICS 624 in fiscal years 2026 and 2027 are DOD Education Activity ($565,161,806), Department of Veterans Affairs ($141,032,976) and Department of Labor ($108,152,198).
Which PSC codes are used with NAICS 624?
The PSC codes with the most obligated under NAICS 624 in fiscal years 2026 and 2027 are G099 Other Social Services, U006 Vocational/
Where is the work under NAICS 624 performed?
By place of performance, the states with the most contract obligations under NAICS 624 over the last 12 months are Virginia ($603,735,368), the District of Columbia ($130,962,086) and Kentucky ($41,834,216).
What is the latest contract opportunity under NAICS 624?
The latest contract opportunity under NAICS 624 is G004--Contract Emergency Residential Services - SPA 1, pre-solicitation from Veterans Integrated Service Network 22 (VHA), posted November 10, 2026.
On GovTribe
See everything under NAICS 624
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