Maryland
Division of Occupational and Professional Licensing
COLLEEN ELIZABETH JOHNSTON
Professional Engineers
License number
28873
Class
Professional Engineers
Status
Address
8 WEST HILL STREET
licensingmd.com
ID 45934883
LAST UPDATED 2026-05-10 19:11:38 UTC
LAST UPDATED 2026-05-10 19:11:38 UTC
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