United States · Federal contract register · Supplier record

OST INC

Line: Professional, program management and support (R408)Register loaded to September 2026Compiled 7 October 2026

OST INC — United States · Federal contract register · Supplier record: 190 contracts, all years ($991,574,887 · Aug 2004 – Jan 2026); $134M since January 2024 (21 contracts · 2 agencies); 17th rank in the line (of 1,848 suppliers · 0.74%); 38 agencies never served ($5.3B on the line without OST INC).

Assay record ASY-US-12DHTS5134 · Cite as: Assay Systems, “OST INC in the USAspending register”, https://assay-systems.com/register/us/ost-inc/

190
contracts, all years
$991,574,887 · Aug 2004 – Jan 2026
$134M
since January 2024
21 contracts · 2 agencies
17th
rank in the line
of 1,848 suppliers · 0.74%
38
agencies never served
$5.3B on the line without OST INC

Own record by year

2019 onward
$33.7M
$49.8M
$82.1M
$48.7M
$86.4M
$53.5M
$60.9M
$19.2M
20192020202120222023202420252026

Who buys from OST INC

since January 2024
2agencies
$134Mpaid
90.6%top buyer
Department of Defense90.6%
$121,113,556
Department of Homeland Security9.4%
$12,613,906

Before 2024 only: Department of Commerce, Department of Education, Department of Housing and Urban Development, Department of Transportation, Department of Veterans Affairs, Department of the Treasury, General Services Administration, National Science Foundation.

The line

since January 2024
$15.5Bline value
6,379contracts
48agencies
1,848suppliers
31.5%held by top ten

Professional, program management and support (R408)

$8.7B
$4.5B
$2.3B
202420252026Jan–Sep
17thof 1,848 suppliers
$114,490,712OST INC in the line
0.74%share of the line
2.1%of $4,783,177,084 spent by Department of Defense
0.7%of $1,847,179,061 spent by Department of Homeland Security

Agencies that buy the line and never bought from OST INC

38agencies
2,904contracts
$5,281,244,323since January 2024
Department of State613 contracts
$1,563,821,108
Agency for International Development171 contracts
$1,257,427,030
Department of Health and Human Services1,014 contracts
$896,738,306
Department of Justice386 contracts
$819,864,063
Department of the Interior112 contracts
$139,672,928
Department of Agriculture161 contracts
$134,040,960
Department of Labor51 contracts
$119,516,844
Department of Energy44 contracts
$100,854,581
National Aeronautics and Space Administration171 contracts
$100,220,666
Environmental Protection Agency40 contracts
$51,354,331
Securities and Exchange Commission16 contracts
$30,562,613
Consumer Financial Protection Bureau7 contracts
$23,402,553
National Archives and Records Administration5 contracts
$12,111,914
Smithsonian Institution39 contracts
$9,992,097
Social Security Administration5 contracts
$4,147,295
Federal Trade Commission2 contracts
$2,690,295
National Endowment for the Arts2 contracts
$2,455,000
Consumer Product Safety Commission4 contracts
$2,448,275
U.S. International Development Finance Corporation5 contracts
$1,810,751
Government Accountability Office4 contracts
$1,691,832
Pension Benefit Guaranty Corporation2 contracts
$1,040,914
District of Columbia Courts7 contracts
$924,131
Peace Corps13 contracts
$828,841
Commodity Futures Trading Commission3 contracts
$695,678
Committee for Purchase from People Who Are Blind or Severely Disabled2 contracts
$535,196
U.S. Agency for Global Media3 contracts
$401,065
National Gallery of Art3 contracts
$378,360
National Labor Relations Board2 contracts
$340,784
Nuclear Regulatory Commission2 contracts
$327,458
Selective Service System2 contracts
$297,181
Institute of Museum and Library Services2 contracts
$239,337
Equal Employment Opportunity Commission2 contracts
$207,451
National Transportation Safety Board2 contracts
$88,510
Federal Election Commission1 contract
$82,671
Court Services and Offender Supervision Agency1 contract
$12,490
National Endowment for the Humanities1 contract
$8,596
International Trade Commission2 contracts
$7,549
Merit Systems Protection Board2 contracts
$4,670

How the line is bought

by value, since 2024
24%no competition
11%one applicant
0of these to OST INC
Competed, several suppliers applied3,828 contracts
$10,062,450,123 · 64.9%
Awarded directly, no competition1,617 contracts
$3,732,167,224 · 24.1%
Competed, one supplier applied934 contracts
$1,714,500,854 · 11.1%

Contracts reaching their end dates

Oct 2026 – October 2027
2,117contracts
$6,290,451,392end by October 2027
346end in September 2027 · $997M
988in agencies never served · $1.9B
$235M
$252M
$649M
$483M
$664M
$824M
$554M
$508M
$571M
$283M
$262M
$997M
$9.4M
Oct 26109 contractsNov 2683 contractsDec 26159 contractsJan 27118 contractsFeb 27155 contractsMar 27301 contractsApr 27174 contractsMay 27176 contractsJun 27194 contractsJul 27152 contractsAug 27145 contractsSep 27346 contractsOct 275 contracts

Suppliers next to it in the line

since January 2024
SALIENT CRGT, INC.2 contracts · 2 agencies
$123,667,680
THE BOEING COMPANY1 contract · 1 agency
$114,636,312
OST INC
$114,490,712
DEWBERRY ENGINEERS INC.47 contracts · 2 agencies
$114,197,589

All 1,848 suppliers in the line

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

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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.