Directory

Public engineering firm profile

Cornerstone Commissioning, LLC

Boxford, MA

Tailor-Fit, Third-Party Commissioning Services

Services
13
Offices
1
Projects
4
Leaders
1
Founded
2001
Size Estimate
10-49 employees

Overview

Cornerstone Commissioning, LLC is a third-party building commissioning practice founded in 2001 by Dan Frasier, PE, CCP, specializing in mission-critical, biocontainment, and high-performance facilities. It provides services including new construction commissioning, existing building retro-commissioning, and BSL-3 biocontainment commissioning. Operating on the owner's behalf, its engineers perform hands-on pre-functional equipment checks and system verifications. Acquired in 2022 by Technical Safety Services (TSS), Cornerstone joined the TSS Family of Companies to offer expanded capabilities such as biosafety consulting, HEPA filter certification, pharmaceutical compounding facility certification, fume hood testing, and decontamination services.

Founded
2001
Size Estimate
10-49 employees

Services

Existing Building Commissioning (EBCx)

Uncovers hidden performance issues in existing building systems through a structured process of investigation, evaluation, and optimization.

Biocontainment & Biosafety Lab Commissioning

Specialized commissioning for BSL-3, ABSL-3, and biocontainment facilities to verify containment envelopes, airflows, and regulatory compliance.

Mission Critical Commissioning

Finely tuned system commissioning for spaces with unique environmental requirements where downtime must be minimized.

Industries

Firm type

Project types

Projects

Leadership

Dan Frasier

CEO

PE, CCP

PE, CCP. Founder of Cornerstone Commissioning, LLC in 2001. Authored the commissioning methodology white paper 'Commissioning the Cornerstone Way.'

Publications

Continuing to Address the BMBL's No Airflow Reversal Requirement for BSL-3

white_paper | Dan Frasier

Offices

Boxford, MA 01921

Headquarters