Cleanroom Maintenance & Repairs

General repairs

In addition to testing and certification, we help repair your mission-critical equipment including:


Why Choose CSI Testing

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. 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)

Report Turnaround

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

Our Locations

We are a regional service provider

As a regional service provider, CSI Testing provides scientific safety services across the United States. We offer regional coverage through our network of partner companies to better serve your facilities.