Federal contractor overview
CORNERSTONE COMMISSIONING, LLC is registered as a federal contractor under UEI K5GHDQCDSAK3 and CAGE 3E4Z6, and is located in WINCHESTER, MA, USA. Federal award data shows $598,641 across 11 federal awards, with top agencies including Environmental Protection Agency, Department of Health and Human Services, Department of Defense, and Department of Veterans Affairs. The contractor's primary NAICS classification is 541330, and its public business classifications include For Profit Organization and Limited Liability Company. Its organization hierarchy includes CONTAMINATION CONTROL AND CERTIFICATION HOLDINGS, INC..
Contractor identifiers
- Legal business name
- CORNERSTONE COMMISSIONING, LLC
- Unique Entity ID
- K5GHDQCDSAK3
- CAGE code
- 3E4Z6
- Location
- WINCHESTER, MA, USA
- Website
- Visit contractor site
NAICS codes and business types
NAICS codes
Business and socioeconomic classifications
- For Profit Organization
- Limited Liability Company
Organization hierarchy
-
Immediate parent
CONTAMINATION CONTROL AND CERTIFICATION HOLDINGS, INC.
Other related organizations
Federal obligation history
Total federal obligations
$598,641
- Awards
- 11
Top agencies by obligations
- Environmental Protection Agency
6 award actions
$404,231 - Department of Health and Human Services
1 award action
$78,660 - Department of Defense
2 award actions
$62,275 - Department of Veterans Affairs
2 award actions
$53,475
Federal obligations by fiscal year
Net federal contract obligations decreased from $28,845 in FY2025 to -$301,321 in FY2026.
Scroll horizontally to view all fiscal years.
View fiscal-year data table
| Fiscal year | Net obligations | Award actions |
|---|---|---|
| FY2026 | -$301,321 | 5 |
| FY2025 | $28,845 | 4 |
| FY2024 | $165,870 | 3 |
| FY2023 | $220,262 | 2 |
| FY2022 | $321,000 | 1 |
Recent federal awards
-
PIID 68HERF26F0133
Awarded Jul 28, 2026
-
$39,975
Obligated
PIID 36C26124P0302
Awarded Apr 15, 2024
-
PIID 68HERC24F0293
Awarded Apr 3, 2024
-
$45,999
Obligated
PIID 68HERC24F0276
Awarded Apr 3, 2024
Top federal contract markets
See the leading federal contract markets for CORNERSTONE COMMISSIONING, LLC by agency and work category, ranked by positive obligations in Sweetspot's federal market coverage during the last 12 months.
-
Department of Veterans Affairs
- Rank in market
- #159
- Last 12mo obligations
- $13.3K
- Share of positive obligations
- 0.02%
Coverage period Oct 13, 2025–Oct 12, 2026
Frequently asked questions
- What is CORNERSTONE COMMISSIONING, LLC's Unique Entity ID (UEI)?
- CORNERSTONE COMMISSIONING, LLC's Unique Entity ID is K5GHDQCDSAK3, as registered in SAM.gov.
- What is CORNERSTONE COMMISSIONING, LLC's CAGE code?
- CORNERSTONE COMMISSIONING, LLC's CAGE code is 3E4Z6.
- What is CORNERSTONE COMMISSIONING, LLC's primary NAICS code?
- CORNERSTONE COMMISSIONING, LLC's primary NAICS classification is 541330.
- Where is CORNERSTONE COMMISSIONING, LLC located?
- CORNERSTONE COMMISSIONING, LLC is located in WINCHESTER, MA, USA.
- How much has CORNERSTONE COMMISSIONING, LLC received in federal contract obligations?
- CORNERSTONE COMMISSIONING, LLC has received $598,641 in federal contract obligations across 11 federal awards.
- Which federal agencies has CORNERSTONE COMMISSIONING, LLC worked with?
- CORNERSTONE COMMISSIONING, LLC's top federal agencies include Environmental Protection Agency, Department of Health and Human Services, Department of Defense, and Department of Veterans Affairs.
- When was CORNERSTONE COMMISSIONING, LLC registered in SAM.gov?
- CORNERSTONE COMMISSIONING, LLC's SAM.gov registration date is April 30, 2003.
- What business classifications does CORNERSTONE COMMISSIONING, LLC hold?
- CORNERSTONE COMMISSIONING, LLC's registered business and socioeconomic classifications include For Profit Organization and Limited Liability Company.