NNAC, INC. Back to Search NNAC, INC. Categories General Contractor - Construction Manager 1729 W 33rd Street, Suite A , Edmond , OK , 73013 (208) 755-7026 Send Email Contacts Regina Lettau President Earl Engledow Health Site and Safety Officer Tamala Hinnenkamp Health Site and Safety Officer Keaton Oltermann Health Site and Safety Officer Michael Shoemaker Senior Project Manager Share × Print Email Facebook LinkedIn X Pinterest Powered By GrowthZone