TDEG announces the addition of two new shareholders:   Stephen Lehigh, PE and Ryan Walsh, PE.  Steve joined the firm in May 2015, was promoted to Project Manager in 2016, and now heads up the Colorado branch office.   Ryan Walsh was hired in September of 2015 and in 2018 was also promoted to Project Manager.  The addition of these shareholders recognizes their contributions to the firm and helps to maintain a steady path of growth and expansion for the future.