CORNERSTONE COMMISSIONING, LLC
CORNERSTONE COMMISSIONING, LLC is a federal contractor, registered under UEI K5GHDQCDSAK3 and CAGE code 3E4Z6. It has been awarded $756,086 across 14 federal contracts. Primary work spans Engineering Services, Commercial and Institutional Building Construction, and Unknown NAICS. Top awarding agencies include Environmental Protection Agency, Department Of Health And Human Services (hhs), and Department Of Health And Human Services.
Contact Information
Registration and classification details
Registration
UEI Code
K5GHDQCDSAK3CAGE Code
3E4Z6Entity Structure
Corporate Entity (Not Tax Exempt)Established
N/ABusiness Classifications
NAICS Codes
Federal Contracting Overview
Award totals, agency breakdown, NAICS distribution, and geographic footprint.
AI Capability Profile
Cornerstone Commissioning, LLC specializes in comprehensive commissioning authority services for federal facilities, with deep expertise in building systems performance verification, envelope integrity testing, and mechanical, electrical, and plumbing (MEP) system validation. The firm delivers end-t...
Cornerstone Commissioning, LLC specializes in comprehensive commissioning authority services for federal facilities, with deep expertise in building systems performance verification, envelope integrity testing, and mechanical, electrical, and plumbing (MEP) system validation. The firm delivers end-to-end commissioning for complex infrastructure projects, including roof replacements, environmental control systems, and high-containment laboratory verification—ensuring designs meet operational, safety, and regulatory requirements. Their technical proficiency spans ASHRAE Level III commissioning, functional performance testing, documentation compliance, and retro-commissioning of aging federal assets, with a demonstrated focus on stringent environmental and health-safety protocols in sensitive facilities. The contractor maintains a strong, recurring relationship with the Environmental Protection Agency, providing mission-critical commissioning services for laboratory and administrative buildings nationwide, including the validation of ventilation, containment, and energy recovery systems. They also support the Department of Veterans Affairs with specialized biosafety level 3 (BSL-3) performance verification, indicating experience in high-risk biomedical environments requiring strict airflow control and contamination mitigation. Operating under NAICS 541330 (Engineering Services) and 541380 (Testing Laboratories and Services), Cornerstone Commissioning positions itself as a niche provider of technical commissioning and verification services for federal infrastructure, particularly within environmental, scientific, and healthcare facilities. Their work bridges design intent with operational reality, ensuring systems perform as intended under real-world conditions. Based in Winchester, Massachusetts, Cornerstone Commissioning, LLC is a small business structured as a 2L entity with no federal certifications on record. The firm serves federal clients primarily through direct contract awards, leveraging its localized presence and technical precision to support nationwide EPA and VA facility portfolios without reliance on third-party endorsements.
Key Performance Metrics
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