Harlan Smith worked in a variety of industries as a Mechanical and Structural Engineer. During that time he found that different industries often have specialized problems that required creative solutions.

Entro Incorporated was formed in 1994 by Harlan and Shannon Smith to address the growing need for custom engineering. They believed that the success of a company was tied to making its customers successful. The best way to do this was to provide simple solutions to complex problems. Entro spent many years focusing on providing technical services to many industries, from Aerospace to construction, to oil and gas. Entro has developed numerous patented designs that address unique challenges across different industries.

Today, Entro continues to innovate and provides custom engineered machinery for a wide variety of clients.