NAICS 5619: Other Support Services
Industry group
Code facts
- Part of
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56
- 561
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56
- Codes under it
- 3
- Contract awards
- 1,451 In the last 12 months
- Contract obligations
- $1,862,826,227 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 | $1,859,362 |
| FY2026 | $1,100,977,467 |
| FY2025 | $1,862,826,227 |
| FY2024 | $2,513,585,482 |
| FY2023 | $3,703,759,764 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Lockheed Martin Corporation | $713,767,859 | |
| 2 | General Dynamics Information Technology, Inc. | $80,791,091 | |
| 3 | Isotek Systems, LLC | $57,944,772 | |
| 4 | Techtrans International Inc. | $45,109,647 | |
| 5 | Event Strategies Inc. | $38,328,201 | |
| 6 | Chenega Global Protection, LLC | $27,625,260 | |
| 7 | Booz Allen Hamilton Inc. | $26,733,421 | |
| 8 | Sierra Nevada Company, LLC | $22,004,106 | |
| 9 | Trace, Inc. | $21,793,579 | |
| 10 | Vertex Modernization And Sustainment LLC | $19,608,540 |
See the full FY2025 ranking of NAICS 5619 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | US Special Operations Command | $427,845,539 | |
| 2 | Air Force | $219,749,550 | |
| 3 | Defense Commissary Agency | $159,511,190 | |
| 4 | Department of Energy | $58,893,042 | |
| 5 | Department of Veterans Affairs | $49,514,355 | |
| 6 | Department of Homeland Security | $40,833,265 | |
| 7 | Department of State | $40,319,970 | |
| 8 | Department of the Navy | $30,825,430 | |
| 9 | National Aeronautics and Space Administration | $29,153,604 | |
| 10 | Department of Health and Human Services | $22,632,130 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R706 Logistics Support Services | $751,846,043 | |
| 2 | S299 Other Housekeeping Services | $159,581,723 | |
| 3 | R499 Other Professional Services | $89,997,921 | |
| 4 | J069 Maintenance, Repair and Rebuilding of Equipment: Training Aids and Devices | $80,795,141 | |
| 5 | R708 Public Relations Services(includes writing services, event planning and management, media relations, radio and television analysis, and press services) | $63,050,185 | |
| 6 | Z235 Maintenance, Repair or Alteration of EPG Facilities – Nuclear | $57,944,772 | |
| 7 | R425 Engineering and Technical Services | $28,539,401 | |
| 8 |
X1AB Lease/ |
$28,285,360 | |
| 9 | N035 Installation of Equipment: Service and Trade Equipment | $23,317,445 | |
| 10 | S202 Fire Protection Services | $22,747,276 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Kentucky | $704,913,078 | |
| 2 | Virginia | $79,257,522 | |
| 3 | District of Columbia | $71,058,353 | |
| 4 | Texas | $66,874,464 | |
| 5 | Tennessee | $65,449,984 | |
| 6 | Florida | $51,987,474 | |
| 7 | California | $47,870,311 | |
| 8 | Maryland | $42,556,043 | |
| 9 | Nevada | $24,282,384 | |
| 10 | Alaska | $23,869,615 | |
| 11 | Indiana | $17,883,559 | |
| 12 | Colorado | $14,966,629 | |
| 13 | North Carolina | $13,854,123 | |
| 14 | Arizona | $12,879,829 | |
| 15 | Ohio | $12,768,082 | |
| 16 | Washington | $11,303,799 | |
| 17 | Kansas | $10,109,615 | |
| 18 | Georgia | $8,983,697 | |
| 19 | New York | $8,769,072 | |
| 20 | North Dakota | $7,344,149 | |
| 21 | Louisiana | $6,879,133 | |
| 22 | South Carolina | $6,167,619 | |
| 23 | Hawaii | $6,129,620 | |
| 24 | Mississippi | $5,669,507 | |
| 25 | Oklahoma | $5,330,777 | |
| 26 | Missouri | $3,664,696 | |
| 27 | Illinois | $3,576,773 | |
| 28 | Arkansas | $3,069,131 | |
| 29 | Wisconsin | $2,674,609 | |
| 30 | Idaho | $2,457,822 | |
| 31 | Nebraska | $2,418,250 | |
| 32 | New Mexico | $2,154,600 | |
| 33 | New Jersey | $1,977,034 | |
| 34 | Pennsylvania | $1,849,656 | |
| 35 | Oregon | $1,713,006 | |
| 36 | Massachusetts | $1,511,501 | |
| 37 | Michigan | $1,332,836 | |
| 38 | Minnesota | $1,059,260 | |
| 39 | New Hampshire | $978,585 | |
| 40 | Montana | $910,988 | |
| 41 | Wyoming | $896,627 | |
| 42 | South Dakota | $683,530 | |
| 43 | Rhode Island | $644,106 | |
| 44 | Delaware | $576,868 | |
| 45 | Connecticut | $543,264 | |
| 46 | Utah | $311,606 | |
| 47 | Puerto Rico | $239,442 | |
| 48 | West Virginia | $203,412 | |
| 49 | Maine | $145,510 | |
| 50 | Vermont | $105,930 | |
| 51 | Iowa | $66,322 | |
| 52 | U.S. Virgin Islands | $21,100 | |
| 53 | Guam | $6,900 |
Show all 53
Shares are of everything obligated under NAICS 5619 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 9,927 listed here. See the rest on GovTribe.
Codes under 5619
Definition
This industry group comprises establishments primarily engaged in providing day-to-day business and other organizational support services (except office administrative services; facilities support services; employment services; business support services; travel arrangement and reservation services; security and investigation services; and services to buildings and dwellings).
Quick answers
What is NAICS 5619?
NAICS 5619 is Other Support Services, an industry group in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What codes are under NAICS 5619?
NAICS 5619 has 3 codes under it with their own GovTribe pages: 56191 Packaging and Labeling Services, 56192 Convention and Trade Show Organizers and 56199 All Other Support Services.
How much do federal agencies spend under NAICS 5619?
Federal contracts under NAICS 5619 obligated $1,862,826,227 in fiscal year 2025 and $9,183,008,301 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 5619?
The contractors with the most obligated under NAICS 5619 in fiscal years 2026 and 2027 are Lockheed Martin Corporation ($713,767,859); General Dynamics Information Technology, Inc. ($80,791,091); and Isotek Systems, LLC ($57,944,772).
Which agencies buy the most under NAICS 5619?
The agencies that obligated the most under NAICS 5619 in fiscal years 2026 and 2027 are US Special Operations Command ($427,845,539), Air Force ($219,749,550) and Defense Commissary Agency ($159,511,190).
Which PSC codes are used with NAICS 5619?
The PSC codes with the most obligated under NAICS 5619 in fiscal years 2026 and 2027 are R706 Logistics Support Services, S299 Other Housekeeping Services and R499 Other Professional Services.
Where is the work under NAICS 5619 performed?
By place of performance, the states with the most contract obligations under NAICS 5619 over the last 12 months are Kentucky ($704,913,078), Virginia ($79,257,522) and the District of Columbia ($71,058,353).
What is the latest contract opportunity under NAICS 5619?
The latest contract opportunity under NAICS 5619 is Diving Services for the Albany Field Office, Base Year plus Four Option Years, solicitation from ENDIST New York (USACE), posted October 21, 2026.
On GovTribe
See everything under NAICS 5619
- Federal contract opportunities, awards and IDVs under this code
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