Federal contractor · WOBURN, MA

CORNERSTONE CONSTRUCTION SERVICES, LLC

CORNERSTONE CONSTRUCTION SERVICES, LLC received $21.4M in federal contract obligations in FY2026, on 28 awards (+210% vs FY2025). Since FY2017: $148.3M. Its largest customer was Public Buildings Service ($10.7M).

Obligations · FY2026
$21.4M
New awards
28
Sole-source
9.5%
Single offer
27%
UEI
JYEWBM2PC2J5
Small businessVeteran-ownedService-disabled veteran-owned
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 6.2MFY2017
  2. 17.4MFY2018
  3. 18.9MFY2019
  4. 10.8MFY2020
  5. 5.2MFY2021
  6. 19.4MFY2022
  7. 23.5MFY2023
  8. 18.6MFY2024
  9. 6.9MFY2025
  10. 21.4MFY2026

Top buying agencies

Obligations in FY2026.

  1. Public Buildings Service$10.7M50%
    10 awards
  2. Department of Veterans Affairs$3.5M16%
    2 awards
  3. Federal Aviation Administration$3M14%
    9 awards
  4. U.S. Coast Guard$2.5M12%
    1 awards
  5. U.S. Fish and Wildlife Service$1.6M7.3%
    1 awards
  6. National Park Service$106.8K0.5%
    3 awards
  7. Department of the Air Force$00.0%
    2 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Construction & real property$21.2M99%
  2. Facilities & utilities$160K0.7%

Where the work was performed

  1. Suffolk County, MA$8.7M41%
  2. Hampshire County, MA$4M19%
  3. District of Columbia, DC$2.7M13%
  4. Coos County, NH$1.6M7.3%
  5. Nassau County, NY$1.6M7.3%
  6. Worcester County, MA$1.2M5.7%
  7. Hillsborough County, NH$563.8K2.6%
  8. Kent County, RI$498.9K2.3%
  9. Franklin County, VT$477K2.2%
  10. Queens County, NY$160K0.7%

Integrity signals

Shares of the year's obligations, next to the country's.

  • Low competition37%
    US 39% · $7.9M
  • Sole-source awards9.5%
    US 30% · $2M
  • Single-offer competitions27%
    US 8.8% · $5.9M
  • Urgency justifications0.0%
    US 5.1% · $0

A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.

Agencies awarding it sole-source contracts

  1. Federal Aviation Administration$2M
    Department of Transportation · 1 awards

Largest awards

  1. BIL REPLACEMENT OF THE HVAC SYSYTEM 11 MURPHY DRIVE, NASHUA, NH$11.5M
    Federal Aviation Administration· Hillsborough County, NH· Construction & real property· Apr 25, 2023 – May 22, 2026· 697DCK23C00158
  2. PROJECT 402-19-681 CORRECT STORM WATER DEFICIENCIES (CONSTRUCTION)$7.1M
    Department of Veterans Affairs· Kennebec County, ME· Construction & real property· Nov 22, 2021 – Nov 17, 2025· 36C24122N0063
  3. REMEDIATION RESTORATION AT 11 MURPHY DRIVE, NASHUA NH$5.1M
    Federal Aviation Administration· Hillsborough County, NH· Construction & real property· Dec 22, 2023 – Dec 18, 2025· 697DCK24C00052
  4. 631-18-003 CORRECT DEFICIENCY GENERATOR BUILDINGS 4A, 6A, 7A, 8A 12A$4M
    Department of Veterans Affairs· Hampshire County, MA· Construction & real property· Dec 11, 2025 – Dec 16, 2025· 36C24126N0109
  5. JFK FB CHILLER PLANT UPGRADES, BOSTON, MA$3.4M
    Public Buildings Service· Suffolk County, MA· Construction & real property· Jul 1, 2026 – Jul 1, 2026· 47PC5326F0255
  6. THIS PR PROVIDES FUNDING TO AWARD A CONSTRUCTION CONTRACT TO CORNERSTONE PER THEIR BEST AND FINAL OFFER DATED AUGUST 30,2023.$3.2M
    Federal Aviation Administration· Suffolk County, MA· Construction & real property· Dec 6, 2023 – Aug 5, 2026· 697DCK24F00084
  7. TASK ORDER TO REPLACE CRAC UNITS LOCATED AT THE EPA COMPLEX(DC0523AB, DC0522AB, DC0521AB), 1301 CONSTITUTION AVE NW., WASHINGTON, DC, 20004.$2.7M
    Public Buildings Service· District of Columbia, DC· Construction & real property· Aug 10, 2026 – Aug 10, 2026· 47PE5226F0239
  8. TROUBLESHOOT AND REPAIR FIRE ALARM SYSTEM AT U.S. COAST GUARD, BASE BOSTON, BOSTON, MA PSN 19818513$2.5M
    U.S. Coast Guard· Suffolk County, MA· Construction & real property· Feb 12, 2026 – Feb 12, 2026· 70Z0G126CBOST0002

Subawards

Matched by Unique Entity ID: the first-tier subawards this organization reported as a prime recipient, and those primes reported paying it.

As a prime: who it pays · FY2026

No subawards reported as a prime in FY2026.

As a sub-recipient: who pays it · FY2026

No subawards reported to it in FY2026.

By fiscal year

  • FY2022: $5.3M paid out · $0 received
  • FY2023: $1.1M paid out · $0 received
  • FY2024: $5.6M paid out · $0 received

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from FY2021.

Teaming partners

Companies this company reported paying, primes that reported paying it, from FFATA subaward reports.

Companies it pays

25 companies · $11.9M reported

  1. B L MECHANICAL INC$5.7M
    UXBRIDGE, MA · 8 subawards · Nonresidential building construction
  2. NORTHERN ELECTRIC INC$994.3K
    ASHLAND, ME · 5 subawards · Nonresidential building construction
  3. NASHOBA PAVING COMPANY, INC.$819.2K
    WESTFORD, MA · 1 subaward · Nonresidential building construction

Primes that pay it

No prime reported paying it.

Showing the top 3 of each list. Open the profile for potential partners and the full lists.

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from 2021.

Competitors

Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.

Compared on 12 markets (agency × industry), FY2024–FY2026.

  1. CONSTRUCTICON CORP$18.2M−68% in FY2026
    CUPERTINO, CA · 38% of this company's obligations are in markets they both servePublic Buildings Service · Nonresidential building constructionAir Force · Nonresidential building construction
  2. BRIGHT REGARDS, LLC$44.2M−88% in FY2026
    WALDORF, MD · 53% of this company's obligations are in markets they both servePublic Buildings Service · Nonresidential building constructionVeterans Affairs · Nonresidential building construction
  3. HOF CONSTRUCTION INC$22.7M−50% in FY2026
    SAINT LOUIS, MO · 39% of this company's obligations are in markets they both servePublic Buildings Service · Nonresidential building constructionAir Force · Nonresidential building construction

Showing the top 3 of 25 competitors. Open the profile for the full list.

Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 6, 2026, loaded Oct 6, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 6, 2026, loaded Oct 6, 2026.