4-L Engineering Company
4-L Engineering Co. was founded in 1964 by Phil Hansford in the Dallas / Fort Worth area. In 1984, Charles Hansford took the role of President and CEO and began building the company as it is today, adding a plumbing department in 1985. Over the years, 4-L Engineering has grown to serve many high-end clients, including schools, hospitals, colleges and prominent high-rise building in downtown Dallas. Through it all, the company has maintained its emphasis on providing the highest level of engineering quality in every project.