Polston Engineering, Inc. Civil Engineering Services. We are located in down town Sebring, FL and we serve and have experience working in Highlands, Okeechobee, Hardee, De Soto, and Glades Counties. We have 3 Licensed Professional Civil Engineers on staff as well as an in house Soil Scientist. Our Services and experience include but are not limited to: Complete site development (Parking, Roads, Building placement), -Permitting: -Water Management District< -County -FDOT -DEP< -Water use -Driveway, (Residential and Commercial) - Drainage design -Soil Science -Environmental Impact Studies -Waste water treatment plants -Water treatment plants -Zoning and Land Use modifications -Utility Permitting (water and sewer lines) Whether you are planning a new project or expanding your existing site, Polston Engineering Inc. can help make the design and permitting process run smoothly and efficiently. Call or stop by Polston Engineering today! We would be glad to help you with all your project design needs.