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LISCO has been serving the Petro-Chemical and Refinery Industry for over 50 years.

Since opening in 1969, we have provided expert mechanical, control and safety relief valve repair. 

Being one of the premier repair facilities in the Houston/Gulf Coast Region, we owe much of our success to three basic principles to which we consistently adhere:

High Quality Control Standards
Fast, Efficient, and Courteous Service
Competitive Pricing