HORIZON MECHANICAL SERVICES LLC — United States · Federal contract register · Supplier record: 12 contracts, all years ($352,646 · Jul 2014 – Sep 2026); $256K since January 2024 (5 contracts · 4 agencies); 451st rank in the line (of 1,097 suppliers · 0.02%); 17 agencies never served ($155M on the line without HORIZON MECHANICAL SERVICES LLC).
Assay record ASY-US-1JX30S20GX · Cite as: Assay Systems, “HORIZON MECHANICAL SERVICES LLC in the USAspending register”, https://assay-systems.com/register/us/horizon-mechanical-services-llc/
12
contracts, all years
$352,646 · Jul 2014 – Sep 2026
$256K
since January 2024
5 contracts · 4 agencies
451st
rank in the line
of 1,097 suppliers · 0.02%
17
agencies never served
$155M on the line without HORIZON MECHANICAL SERVICES LLC
Own record by year
2019 onward
$9.4K
$48.6K
$21.8K
$4.6K
$53.3K
$32.8K
$170K
20192020202120222023202420252026
Who buys from HORIZON MECHANICAL SERVICES LLC
since January 2024
4agencies
$256Kpaid
33.7%top buyer
Department of Commerce33.7%
$86,170
National Aeronautics and Space Administration31.9%
$81,648
Department of the Interior27.2%
$69,558
Department of Defense7.2%
$18,552
Before 2024 only: Department of Justice, General Services Administration, Smithsonian Institution.
The line
since January 2024
$319Mline value
2,301contracts
24agencies
1,097suppliers
29.3%held by top ten
Plumbing, heating, and waste disposal equipment (J045)
$105M
$133M
$80.3M
202420252026Jan–Sep
451stof 1,097 suppliers
$69,558HORIZON MECHANICAL SERVICES LLC in the line
0.02%share of the line
0.4%of $16,525,461 spent by Department of the Interior
Agencies that buy the line and never bought from HORIZON MECHANICAL SERVICES LLC
17agencies
1,376contracts
$155,116,588since January 2024
Department of Veterans Affairs912 contracts
$115,384,069
Department of Agriculture175 contracts
$14,143,506
Department of the Treasury8 contracts
$7,582,499
Department of Homeland Security121 contracts
$6,771,826
Department of Health and Human Services41 contracts
$4,192,376
Department of State52 contracts
$2,675,358
Environmental Protection Agency6 contracts
$1,410,982
Department of Transportation25 contracts
$1,138,902
Social Security Administration22 contracts
$1,107,573
Office of Personnel Management1 contract
$175,984
District of Columbia Courts1 contract
$164,964
Executive Office of the President1 contract
$148,740
Department of Energy6 contracts
$122,698
Merit Systems Protection Board2 contracts
$53,858
Defense Nuclear Facilities Safety Board1 contract
$20,135
Agency for International Development1 contract
$11,816
Court Services and Offender Supervision Agency1 contract
$11,300
How the line is bought
by value, since 2024
39%no competition
11%one applicant
0of these to HORIZON MECHANICAL SERVICES LLC
Competed, several suppliers applied1,087 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.