About EAS

Engineering and Surveying Professionals, Inc. (EAS) is an independently-owned, multi-disciplinary engineering and land surveying firm, headquartered in Greenville, South Carolina and providing services from coast to coast.

EAS’s Greenville headquarters is strategically located to provide cost-effective services to clients throughout the southeastern United States. Satellite offices in Asheville, North Carolina, Summerville, South Carolina, and Charlotte, North Carolina provide quick response times and local presence in key markets. Since its founding in 2003, EAS has grown to provide high quality, cost-effective services nationwide through a alliance of trusted partners.

Our mission

To provide our clients with the most advanced, accurate, and cost-effective Geotechnical and Environmental Engineering, Construction Materials Testing and Special Inspections, Land Surveying, and Specialty Services by employing our team of highly trained individuals and cutting-edge technologies.

Our story

Engineering and Surveying Professionals (EAS) was founded in 2003 to meet a unique need: A single company that provides the highest levels of Geotechnical and Environmental Engineering, Construction Materials Testing, Land Surveying, and Specialty Services, with their client’s best interest at heart.

Founders, Doug Dunko and Dan Stiles, shared the belief that trust is the foundation on which a successful business is built. They envisioned a company that understands the difference caring makes and ensures their client’s needs are met by creating customized solutions and providing services performed by certified personnel who value diligence and adhere to local and international codes.

Doug and Dan’s values extend to their employees, as they aspired to build an environment that encourages their team members to have a rewarding professional career as well as a fulfilling personal life. Today, EAS is headquartered in Greenville, SC with regional offices in Charlotte and Asheville, NC and a satellite office in Summerville, SC.

where we work

Currently, EAS is licensed in to work in AL, DE, FL, GA, KY, LA, MD, MS, NC, NY, OH, OK, PA, SC, TN, TX, UT, VA, and WV.


Daniel Stiles, PLS

Professional Land Surveyor NC-SC

Daniel Stiles is a founding partner of EAS and has more than 22 years of experience in land surveying and construction management. He has extensive experience in the design of residential subdivisions from inception through master planning, boundary and topographic surveying, construction observation, final approvals, and acceptance. Daniel oversees EAS’s land surveying department with both management and production capabilities. His practice has focused on projects throughout the Carolinas.

Doug Dunko, PE

Senior Geotechnical Engineer

Doug Dunko is a founding partner of EAS and has over 24 years of experience in geotechnical engineering, environmental engineering, and construction materials testing. Doug has experience in planning, coordinating, and performing geotechnical projects including: subsurface explorations; site-specific seismic and liquefaction evaluations; rock profiling and sinkhole identification through seismic refraction; retaining wall design; and foundation and pavement forensic evaluations. Doug oversees EAS’s geotechnical and design engineering departments. In addition, Doug has extensive experience with construction materials testing projects, including: large earthen embankments/dams; residential, commercial, and industrial buildings; and specialty inspections of soil, concrete, masonry, and structural steel.

The EAS Family