Karl Johnson has announced his resignation as president of North Houston Machine Inc. (NHM), located in Tomball, Texas. Johnson has been with NHM for approx 31 years. As a young boy, he started working with his father, the late George Patrick “Pat” Johnson, who began NHM in 1979. In 2004, Johnson took over as president of NHM.

As of April 15, Johnson can be found working full-time as president/owner of Duramast Industries Inc., a company he began in February 2008. Duramast manufactures a variety of drilling rigs and drilling tools.

Look for Johnson and Duramast on the Web at www.duramast.com.