- Canton Railroad Co.
 - Baltimore - Shortline switch carrier operating along six miles of line and seventeen miles of track. - Landmark Parking
- Baltimore - Provides parking facility management, leasing, consulting, valet services, and more.
- Vane Brothers
- Baltimore - Tugs, marine navigation, and bunker fuel supplier.
- Towne Park
- Annapolis - Professional parking service for the hospitality industry.
- Davidson Companies
- Baltimore - Specialty shipping, moving, and storage. Agent for United Van Lines.
- Helicopter High, Inc.
- Baltimore - Helicopter flight training and rentals; R22s and Bell Helicopters.
- Knorr Brake Corporation
- Westminster - Design and manufacture of braking systems for rail vehicles.
- Maryland Trailer Sales
- Baltimore - Nationwide supplier of heavy duty platform, refrigerated, van, drop deck, and demonstration trailers.
- Terminal Corp.
- Timonium - Provides logistics, warehousing and distribution, trucking and transportation, stevedoring and marine terminal operations.
- Belt's Corporation
- Baltimore - Providing warehouse, distribution, and logistics support.
- Dial Courier, Inc.
- Baltimore - Same day delivery service.
- Scandia Manufacturing Company Inc.
- Baltimore - Specializes in the manufacture, repair and upgrade of hydraulic and mechanical marine systems.
- B&B Moving & Hauling
- Baltimore - Providing home or office relocation, janitorial services, eviction services, and bulk trash removal.
- Baltimore Rigging Co.
- Baltimore - Equipment moving and rigging.
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