Twenty-five percent of our professional staff members are Professional Engineers.  The Firm, our principals, and our professional staff are also affiliated with a number of organizations, which include the following:

• ASHRAE, American Society of Heating, Refrigeration and Air Conditioning Engineers
• ASPE, American Society of Plumbing Engineers
• ICC, Building Officials and Code Administrators
• IEEE, The Institute of Electrical and Electronic Engineers
• IESNA, The Illuminating Engineering Society of North America
• LEED Leadership in Energy & Environmental Design
• NCEES, National Council of Examiners for Engineering and Surveying
• NSPE, National Society of Professional Engineers
• NFPA, National Fire Protection Association

Geographic Coverage
TES is registered to provide Professional Engineering Services in many states, including: