We offer professional clean environment testing and certification services to facilities in King of Prussia. CSI testing has served over 600 clients, including pharmaceutical companies, manufacturers, and research institutions. We are proud to maintain a 95% customer repeat rate after over 45 years of operation. Our team specializes in cleanroom certification and fume hood testing to help ensure safety and compliance.
Our technicians, with an average of 10 years of experience, are available for scheduled services and emergency response to address critical needs. We are an employee-owned company, bringing reliability and accountability to every project. We deliver results in as little as two days or up to two weeks for time-demanding services.
Our team is ready to provide support for your compliance needs. Contact us today to learn how our cleanroom certification or other services can benefit your facility.
We test and certify all types of cleanrooms to ISO 14644-1 standards. From small to large, we have you covered.
We offer USP compliance testing, helping clients deliver safe, effective medication.
We offer a comprehensive array of fume hood tests such as velocity and smoke pattern testing.
We can certify all types of isolators and gloveboxes.
We offer testing/certification of laminar flow units / clean benches.
We can repair fume hoods, biosafety cabinets, HEPA filters, and other pieces of critical equipment.
We offer cleanroom design reviews, operational performance audits, and other advisory services.
We test cabinets in accordance with NSF/ANSI 49, OSHA, NIH/CDC and manufacturer’s specifications.
Minnesota
Minneapolis
Saint Paul
Rochester
CSI has tested and certified controlled environments for over 45 years. When we started CSI testing we serviced Minneapolis and the surrounding areas. Today we service the entire Midwest and the New England area. Our team has over 100 collective years of experience in the industry, serving over 600 medical device, pharmaceutical, academic, and other 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. CSI is a certified minority business enterprise.
45 years of company history
Highly trained technicians (average 10-year tenure)
2 weeks for cleanrooms, same-day for hoods, BSCs, etc.
We take emergency calls seriously. We can get technicians on-site quickly
Founder and employee-owned. Certified minority business enterprise
We offer additional services to help our customers create and maintain the best controlled environments.
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.
We perform operational performance audits to help identify areas for improvement, ensure ongoing compliance, and maintain integrity of the cleanroom environment.
CSI 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.