Wetherill Engineering, Inc. is a diversified group of professionals providing more than twelve decades of combined experience in transportation planning, roadway and bridge design, site design and layout, structural engineering, and geographic information systems. Our hands-on approach puts us above our competitors. Wetherill Engineering, Inc. is headquartered in Raleigh, NC and is fully registered to provide Professional Engineering Services with the Office of the Secretary of State. Wetherill Engineering is also a DBE/WBE certified firm with the North Carolina Department of Transportation (NCDOT), Tennessee Department of Transportation (TDOT), the City of Raleigh, City of Charlotte, RDU, and several other agencies. WEI is ranked as the 111th Top Firm in the Southeast by Engineering News Record and a Top MWBE firm in the Triangle region by the Triangle Business News.