PRACTICAL INNOVATION, BY DESIGN® CTI Engineers, Inc., is an employee-owned civil engineering consulting firm with offices in Tennessee, Ohio, and Georgia. CTI specializes in the water and wastewater treatment fields, with additional expertise in a number of other areas. Who We Are Learn more about our civil engineering consulting firm, including our company's history and process for tackling even the most challenging problems. What We Do Drawing upon the combined experience of our team of licensed professional engineers, CTI Engineers, Inc., can take any project from conception to completion. Projects for Bid A current listing of upcoming CTI Engineers projects can be found here, along with plans and specifications. Contractors seeking work should begin here.