WDP & Associates Consulting Engineers, Inc. is a consulting engineering firm that meets the small business and local small business requirements of the following organizations. Our Local Disadvantaged Business Enterprise Certification No. for the Metropolitan Washington Airport Authority is LD20310179, and our SWaM Small Business Certification No. with the Virginia Department of Minority Business Enterprise is 007043. In addition, we are a self-certified small business through the U.S. Small Business Administration.