Rinker Design Associates, P.C. (RDA) is a diverse, client-oriented firm that offers a truly unique style of civil engineering consulting. Since 1982, we have built a solid reputation for providing conscientious and reliable service to municipalities, governmental agencies, and private entities throughout Virginia -- service that our clients and their communities deserve. 

Based in Virginia and certified as a small business, RDA provides high quality professional engineering and surveying services from our four offices located in Manassas, Fredericksburg, Glen Allen (Richmond), Virginia Beach, and Waynesboro.

Rinker Design Associates, P.C.

Mo Kim

Bill Ell

John Giometti

Teams at Rinker Design Associates, P.C.

Transportation Engineering

Project Management and Coordination

Engineering Team

Leadership Team