National K Works, Inc.
Since 1976, National K Works has produced state of the art Dewar Flasks, Pressure Housings & Thermo-housings. Our products are designed to protect valuable down-hole electronics from high temperatures & pressures encountered in geothermal & modern severe drilling applications. Our team boasts ISO 9001 certification, multiple patents & the invention of innovative, trade-specific machinery & processes. Researched, developed & manufactured in Houston, TX we have satisfied customers on 6 continents.