Pegasus Cleanroom Services: Certified Cleanroom Solutions that Keep Your Operations Running Smoothly. At Pegasus Cleanroom Services, we understand how critical controlling contamination is to the success of your business. After all, a delay in your operations results in lost production and profits. That’s why we use expertly trained technicians and the latest technology to make certain your cleanroom environment exceeds the industry’s highest regulations for contamination control, maintenance and safety. Our commitment to you is demonstrated with industry-leading qualifications that include ISO 9001:2000 certification. You can take peace of mind knowing the Internal Standards Organization – the same organization that governs many of your products and procedures– regulates our procedures, quality manuals and commitment to continuous improvements.