Building technology (B540): United States public contracts since 2024

Updated 17 October 2026 · all lines

Building technology (B540): United States public contracts since 2024. Since January 2024 the line carries 12 contracts worth $664,929,807 from 5 agencies. 10 suppliers share it. $404,488,134 in 2024. $246,826,472 in 2025. $13,615,201 in 2026.

Assay record ASY-US-0KSRG9E1LK · Cite as: Assay Systems, “Building technology (B540): United States public contracts since 2024”, https://assay-systems.com/register/us/line/building-technology/

The line

Since January 2024 the line carries 12 contracts worth $664,929,807 from 5 agencies. 10 suppliers share it.

$404,488,134 in 2024. $246,826,472 in 2025. $13,615,201 in 2026.

Suppliers in the line, by value since 2024

The extract for this line

Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.

Largest suppliers in the line

Share of the line held by each of its largest suppliers, by value, in the USAspending register.

AMERESCO INC49.7%CEG SOLUTIONS LLC25.1%CONSTELLATION ENERGY SOLUTIONS, LLC17.3%HONEYWELL INTERNATIONAL INC.2.4%NORESCO, LLC2.0%THE BREWER-GARRETT COMPANY1.8%ABM INDUSTRIES INC1.6%WINDJAMMER ENVIRONMENTAL LLC0.1%TIMBER TECH ENGINEERING, LLC.0.0%ENCORUS GROUP ENGINEERING, P.C.0.0%

All suppliers in United States, A to Z

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.