Contact Us Contact us at Envirotek Systems. We have 2 locations. One in Branson and the other in Nixa, MO. Branson Location 215 S. 2nd Suite 1b Branson, MO 65616 417.334.0245 Nixa Location 1770 N. Deffer Dr. Suite 3 Nixa, MO 65714 417.724.8776 Email Us Name:* Phone:* Email: Subject:* General Information Septic Systems Septic Inspection Septic Tank Pumping Sewer / Grinder Pumps Lift Stations Plumbing Services Excavation Other Message: