CONTACT ETCEnvironmental Consulting. Laboratory Analysis. Training Services. Our e-mail sales@2etc.com Main Office 734.955.6600 Working Hours M~F : 9am to 5pm Corporate Office / Training Center 38900 West Huron River Dr Romulus, Michigan 48174 P : 800.864.3236 F : 734.955.6604 sales@2etc.com branches Corporate Office / Training Center 38900 W Huron River Dr Romulus, MI 48174 P : 734.955.6600 F : 734.955.6604 Lansing Office / Training Center 721 N Capitol Ave Lansing, Michigan 48906 P : 800.219.8354 Laboratory / ETL 38900 W Huron River, STE B Romulus, Michigan 48174 P : 844.864.3236 F : 734.992.2281