Located on the 10th floor of the Timonium Corporate Center, Harbor City Supply has grown quite a bit from its humble beginnings 55 years ago. Focused mainly towards online sales since moving to their current location seven years ago, the business is has seven divisions, each with its own specialty. Their main offering is the hardware needed to finish remodeling jobs, and they have moved from dealing mainly with contractors to working directly with the general public since the expansion of their online business.