MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. — United States · Federal contract register · Supplier record: 1,463 contracts, all years ($19,305,745,343 · Jan 1998 – Sep 2026); $1.2B since January 2024 (137 contracts · 8 agencies); 43rd rank in the line (of 2,692 suppliers · 0.46%); 22 agencies never served ($84.4M on the line without MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.).
Assay record ASY-US-1IN46V80ZN · Cite as: Assay Systems, “MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. in the USAspending register”, https://assay-systems.com/register/us/mantech-advanced-systems-international-inc/
1,463
contracts, all years
$19,305,745,343 · Jan 1998 – Sep 2026
$1.2B
since January 2024
137 contracts · 8 agencies
43rd
rank in the line
of 2,692 suppliers · 0.46%
22
agencies never served
$84.4M on the line without MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
Own record by year
2019 onward
$670M
$1.4B
$486M
$1.6B
$495M
$751M
$309M
$125M
20192020202120222023202420252026
Who buys from MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
since January 2024
8agencies
$1.2Bpaid
50.3%top buyer
General Services Administration50.3%
$595,547,916
Department of Defense34.4%
$407,277,948
Department of Homeland Security6.6%
$78,013,563
Department of Justice4.2%
$49,574,396
Department of Commerce3.2%
$38,437,546
Department of Energy1.0%
$11,659,844
Consumer Financial Protection Bureau0.3%
$3,383,809
Department of the Interior0.0%
$299,425
Before 2024 only: Agency for International Development, Court Services and Offender Supervision Agency, Department of Agriculture, Department of Health and Human Services, Department of Housing and Urban Development, Department of Labor, Department of State, Department of Transportation, Department of Veterans Affairs, Department of the Treasury, Environmental Protection Agency, Federal Housing Finance Agency, National Aeronautics and Space Administration.
The line
since January 2024
$34.8Bline value
9,940contracts
40agencies
2,692suppliers
20.3%held by top ten
Professional, engineering and technical (R425)
$18.1B
$12.1B
$4.6B
202420252026Jan–Sep
43rdof 2,692 suppliers
$160,738,413MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. in the line
0.46%share of the line
0.6%of $28,824,356,510 spent by Department of Defense
Agencies that buy the line and never bought from MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.
22agencies
191contracts
$84,359,227since January 2024
National Archives and Records Administration14 contracts
$22,701,357
Nuclear Regulatory Commission18 contracts
$11,715,936
Smithsonian Institution90 contracts
$11,632,528
Small Business Administration3 contracts
$7,585,123
Commodity Futures Trading Commission5 contracts
$7,271,750
Consumer Product Safety Commission3 contracts
$4,689,351
Department of Education2 contracts
$4,528,772
United States Trade and Development Agency1 contract
$3,855,486
National Science Foundation3 contracts
$2,926,749
Occupational Safety and Health Review Commission20 contracts
$1,730,404
District of Columbia Courts3 contracts
$1,624,660
Selective Service System5 contracts
$1,135,958
Millennium Challenge Corporation1 contract
$924,209
Federal Communications Commission6 contracts
$679,992
Committee for Purchase from People Who Are Blind or Severely Disabled2 contracts
Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.