Cleanroom Testing & Certification in Greensboro, NC

Clean Environment Testing in Greensboro, NC

At Keystone, we’ve proudly served as a trusted partner in the testing and certification of controlled environments for over 25 years. From Greensboro to the broader East Coast, our team’s expertise covers everything from cleanrooms and biosafety cabinets to fume hoods and more. With over 200 satisfied clients and a 97% repeat customer rate, our highly trained technicians are dedicated to ensuring that your environment meets the highest standards. What sets us apart is our commitment to quick report turnaround and rapid emergency response. As a certified minority business enterprise, we take pride in being founder and employee-owned, delivering the quality and reliability you can count on.

Our Services In Greensboro, NC

Cleanroom testing / certification

We test and certify all types of cleanrooms to ISO 14644-1 standards. From small to large, we have you covered.

USP 797 testing

We offer USP compliance testing, helping clients deliver safe, effective medication.

Fume Hood Testing

We offer a comprehensive array of fume hood tests such as velocity and smoke pattern testing.

Isolator Certification

We can certify all types of isolators and gloveboxes.

Laminar Flow Testing

We offer testing/certification of laminar flow units / clean benches.

repairs

We can repair fume hoods, biosafety cabinets, HEPA filters, and other pieces of critical equipment.

Advisory services

We offer cleanroom design reviews, operational performance audits, and other advisory services.

Biosafety cabinet certification

We test cabinets in accordance with NSF/ANSI 49, OSHA, NIH/CDC and manufacturer’s specifications.

vivarium testing services

We offer comprehensive testing, certification and maintenance of laboratory animal condos, cage changing stations and other HEPA filtered, ventilated enclosures.

Microbiological Laboratory Services

Our state of the art ISO microbiology labs can provide end-to-end management of your microbiological samples.

Keystone CT team
ABout

Why choose Keystone

Keystone has tested and certified controlled environments for over 25 years. When we started Keystone we serviced Virginia and the surrounding areas. Today we service the east coast. Our team has over 100 collective years of experience in the industry, serving over 200 pharmaceutical, university, research, and advanced manufacturing clients.

We test, certify, and service all controlled environments, including cleanrooms, biosafety cabinets, fume hoods, and isolators. We provide biosafety cabinets, cleanbenches and fume hood reports the same-day, and turnaround electronic cleanroom reports in two weeks. For any emergency, we can get a technician to your site quickly.

We are proudly 100% founder and employee owned. Keystone is a certified minority business enterprise.

Experience

25 years of company history

Quality

Highly trained technicians (average 10-year tenure)

Report Turnaround

2 weeks for cleanrooms, same-day for hoods, BSCs, etc

Urgency

We take emergency calls seriously. We can get technicians on-site quickly

People

Founder and employee-owned. Certified minority business enterprise

Additional Cleanroom Services in Greensboro, NC

We offer additional services to help our customers create and maintain the best controlled environments.

Cleanroom Design Review

We can work alongside your cleanroom contractor to make sure that your new cleanroom is designed properly. We provide independent, third-party reviews of preliminary cleanroom designs. We can also do the first testing/certification once the cleanroom is constructed.

Cleanroom operational performance audits

We perform operational performance audits to help identify areas for improvement, ensure ongoing compliance, and maintain integrity of the cleanroom environment.

Coaching on internal SOPs

Keystone can work alongside your internal team to make sure your internal SOP adhere to regulatory, industry, and safety standards. We perform, independent, third-party reviews enabling our customers to ensure they’re operating at the highest standard.