The PSI quality management system is in compliance with the International Quality Assurance management Standard Series ISO 9001:2000.

Houston, Texas
6525 Goforth Street
Houston, Texas
Tel: 713-747-6948
Fax: 713-747-6029
Toll Free: 1-800-423-2410
e-mail = info@psipsi.com

PSI/Thunderline/Link-Seal® employees take pride in producing top quality products. All manufacturing procedures are monitored and fully documented to assure total compliance with published product performance and reliability standards.