United States · Federal contract register · Supplier record

ADDX CORPORATION

Line: Professional, engineering and technical (R425)Register loaded to September 2026Compiled 6 October 2026

ADDX CORPORATION — United States · Federal contract register · Supplier record: 237 contracts, all years ($394,707,988 · Apr 2004 – Mar 2026); $16.9M since January 2024 (7 contracts · 3 agencies); 396th rank in the line (of 2,692 suppliers · 0.04%); 28 agencies never served ($1.0B on the line without ADDX CORPORATION).

Assay record ASY-US-1W40M7C1D7 · Cite as: Assay Systems, “ADDX CORPORATION in the USAspending register”, https://assay-systems.com/register/us/addx-corporation/

237
contracts, all years
$394,707,988 · Apr 2004 – Mar 2026
$16.9M
since January 2024
7 contracts · 3 agencies
396th
rank in the line
of 2,692 suppliers · 0.04%
28
agencies never served
$1.0B on the line without ADDX CORPORATION

Own record by year

2019 onward
$36.1M
$34.3M
$58.8K
$23.4M
$113K
$750K
$15.5M
$633K
20192020202120222023202420252026

Who buys from ADDX CORPORATION

since January 2024
3agencies
$16.9Mpaid
86.5%top buyer
Department of Defense86.5%
$14,633,881
Department of Transportation9.1%
$1,536,125
Department of Commerce4.4%
$749,762

Before 2024 only: Department of Agriculture, Department of Education, Department of Energy, Department of Homeland Security, Department of Labor, Department of Veterans Affairs, Department of the Interior, Department of the Treasury, General Services Administration, Merit Systems Protection Board.

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
396thof 2,692 suppliers
$13,045,843ADDX CORPORATION in the line
0.04%share of the line
0.0%of $28,824,356,510 spent by Department of Defense

Agencies that buy the line and never bought from ADDX CORPORATION

28agencies
988contracts
$1,043,664,785since January 2024
National Aeronautics and Space Administration147 contracts
$303,818,707
Department of Health and Human Services122 contracts
$177,478,072
Department of Justice125 contracts
$161,277,109
Department of State142 contracts
$118,928,460
Environmental Protection Agency239 contracts
$94,522,780
Agency for International Development19 contracts
$79,181,376
Department of Housing and Urban Development6 contracts
$26,550,661
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
United States Trade and Development Agency1 contract
$3,855,486
National Science Foundation3 contracts
$2,926,749
Consumer Financial Protection Bureau1 contract
$2,099,835
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
$412,556
Executive Office of the President2 contracts
$377,400
Defense Nuclear Facilities Safety Board2 contracts
$213,442
U.S. International Development Finance Corporation1 contract
$121,913
National Gallery of Art3 contracts
$96,428
U.S. Agency for Global Media1 contract
$57,500
United States Chemical Safety Board4 contracts
$55,042

How the line is bought

by value, since 2024
43%no competition
12%one applicant
0of these to ADDX CORPORATION
Competed, several suppliers applied5,006 contracts
$15,664,756,153 · 45.1%
Awarded directly, no competition3,740 contracts
$14,923,048,081 · 42.9%
Competed, one supplier applied1,194 contracts
$4,180,828,793 · 12.0%

Contracts reaching their end dates

Oct 2026 – October 2027
2,929contracts
$15,328,302,324end by October 2027
398end in March 2027 · $2.3B
289in agencies never served · $449M
$366M
$681M
$1.9B
$1.9B
$1.5B
$2.3B
$1.6B
$1.6B
$1.5B
$518M
$465M
$976M
$30.5M
Oct 26118 contractsNov 26174 contractsDec 26318 contractsJan 27256 contractsFeb 27247 contractsMar 27398 contractsApr 27251 contractsMay 27299 contractsJun 27243 contractsJul 27134 contractsAug 27154 contractsSep 27327 contractsOct 2710 contracts

Suppliers next to it in the line

since January 2024
NORTHROP GRUMMAN SYSTEMS CORPORATION5 contracts · 1 agency
$13,291,693
OPHIR CORPORATION7 contracts · 1 agency
$13,226,058
ADDX CORPORATION
$13,045,843
CUBIC DEFENSE APPLICATIONS, INC.4 contracts · 1 agency
$12,871,028

All 2,692 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.