Testing labs in Deer Park, TX

SGS Oil, Gas & Chemicals Services is part of SGS, the world's leading testing, inspection and certification company, providing laboratory testing and inspection for the oil, gas and chemical sectors.

Welder Testing, Inc. (WTI, Houston, since 1986) is a US laboratory providing welder and welding-procedure qualification testing (to AWS, ASME and API standards) and metallurgical testing for the industrial sector.