Maryland
Division of Occupational and Professional Licensing
DAVID R. SIMPSON
Professional Engineers
License number
28790
Date expires
06/16/2017
Class
Professional Engineers
Status
Address
ALLEGHENY DESIGN SERVICES LLC102 LEEWAY STREET
licensingmd.com
ID 45944050
LAST UPDATED 2026-07-09 08:38:14 UTC
LAST UPDATED 2026-07-09 08:38:14 UTC
This website is unaffiliated with the Division of Occupational and Professional Licensing. Please verify all information directly with the relevant official government authority.