United States · Federal contract register · Supplier record

ADDON SERVICES LLC

Line: Construction of miscellaneous buildings (Y1JZ)Register loaded to September 2026Compiled 17 October 2026

ADDON SERVICES LLC — United States · Federal contract register · Supplier record: 282 contracts, all years ($305,915,116 · Aug 2013 – May 2026); $50.7M since January 2024 (16 contracts · 2 agencies); 48th rank in the line (of 940 suppliers · 0.36%); 11 agencies never served ($1.6B on the line without ADDON SERVICES LLC).

Assay record ASY-US-0YCUPHZ1LE · Cite as: Assay Systems, “ADDON SERVICES LLC: 16 government contracts in the United States since 2024”, https://assay-systems.com/register/us/addon-services-llc/

282
contracts, all years
$305,915,116 · Aug 2013 – May 2026
$50.7M
since January 2024
16 contracts · 2 agencies
48th
rank in the line
of 940 suppliers · 0.36%
11
agencies never served
$1.6B on the line without ADDON SERVICES LLC

Own record by year

2019 onward
$7.3M
$45.9M
$22.3M
$37.9M
$44.7M
$30.3M
$20.1M
$203K
20192020202120222023202420252026

Who buys from ADDON SERVICES LLC

since January 2024
2agencies
$50.7Mpaid
93.6%top buyer
Department of Defense93.6%
$47,429,787
Department of Transportation6.4%
$3,226,561

Before 2024 only: Department of Homeland Security, Department of Labor, Department of Veterans Affairs, Department of the Interior, General Services Administration.

Won without a rival

2023-10-01 – 2026-06-16
36uncontested awards
63%of its awards
32without a competition
4single bid

ADDON SERVICES LLC won 36 of its 57 public contract awards in United States without a rival from 2023-10-01 to 2026-06-16, worth $11.5M: 32 without a competition and 4 after a competition that drew a single bid. 7 buyers awarded it without a rival, the largest Department of the Army with 17.

Buyers: Department of the Army (17) · Department of the Navy (14) · Federal Aviation Administration (1) · USTRANSCOM (1) · Public Buildings Service (1) · Office of the Assistant Secretary for Administration and Management (1)

Every uncontested award of ADDON SERVICES LLC · United States: all uncontested awards

The line

since January 2024
$12.2Bline value
2,981contracts
17agencies
940suppliers
40.3%held by top ten

Construction of miscellaneous buildings (Y1JZ)

$4.8B
$3.9B
$3.5B
202420252026Jan–Sep
48thof 940 suppliers
$44,030,495ADDON SERVICES LLC in the line
0.36%share of the line
0.5%of $8,109,537,760 spent by Department of Defense

Agencies that buy the line and never bought from ADDON SERVICES LLC

11agencies
1,036contracts
$1,575,202,973since January 2024
Department of Health and Human Services548 contracts
$1,209,102,492
National Aeronautics and Space Administration176 contracts
$207,265,493
Department of Agriculture105 contracts
$115,898,985
Department of Justice133 contracts
$26,283,951
Department of Energy3 contracts
$9,865,723
Department of State63 contracts
$4,635,291
Agency for International Development1 contract
$1,455,062
Department of Commerce2 contracts
$448,102
Department of the Treasury2 contracts
$106,150
District of Columbia Courts2 contracts
$72,724
Executive Office of the President1 contract
$69,000

How the line is bought

by value, since 2024
8%no competition
6%one applicant
0of these to ADDON SERVICES LLC
Competed, several suppliers applied1,745 contracts
$10,509,115,314 · 86.3%
Awarded directly, no competition1,016 contracts
$940,288,039 · 7.7%
Competed, one supplier applied220 contracts
$735,043,535 · 6.0%

Contracts reaching their end dates

Oct 2026 – October 2027
640contracts
$3,214,388,795end by October 2027
100end in December 2026 · $211M
249in agencies never served · $369M
$151M
$453M
$211M
$513M
$202M
$271M
$307M
$248M
$367M
$144M
$127M
$138M
$83.2M
Oct 2656 contractsNov 2673 contractsDec 26100 contractsJan 2749 contractsFeb 2753 contractsMar 2760 contractsApr 2750 contractsMay 2758 contractsJun 2734 contractsJul 2727 contractsAug 2718 contractsSep 2748 contractsOct 2714 contracts

Suppliers next to it in the line

since January 2024
COPPER CONSTRUCTION COMPANY, INC.1 contract · 1 agency
$45,264,226
ADDON SERVICES LLC
$44,030,495
A & H-AMBICA JV LLC6 contracts · 2 agencies
$43,780,130
GRUNLEY CONSTRUCTION CO., INC.3 contracts · 2 agencies
$43,182,925

All 940 suppliers in the line

Fastest-growing supplier in the line

same line
+611%growth

Supplier UEI VEP4UN7LDMK5

2024 to Sep 2026
$1,159,626,981
2022–2023
$163,109,935

The extract

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

Request extractSee a sample extract

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.