Technical Safety Services, a provider of testing, inspection, certification, and calibration services and a portfolio company of Levine Leichtman Capital Partners, has acquired Northeast Medical Consulting, Airtest, Cornerstone Commissioning and Quality Systems Integration.

The deals aim to improve the company’s suite of regulatory testing and certification services for controlled environments within the biotechnology, pharmaceutical and healthcare settings. Northeast Medical Consulting is an Ohio-based provider of medical gas testing and consulting services. Airtest is based in New Hampshire and offers testing and certification of cleanrooms and other contamination control technologies. Cornerstone Commissioning is a Massachusetts-based company focused on commissioning, qualification and validation engineering services. Quality Systems Integrations, also based in Massachusetts, provides testing and certification services in controlled biotechnology and pharmaceutical environments.

“Each brings significant expertise and dedication to high-quality service, which further enhance TSS’ support for our valued clients across key strategic capabilities and geographies,” comments Brent Hart, CEO of TSS.