Five Decades of Commercial Construction in Southern Maryland
Great Mills Trading Post has been delivering commercial construction projects throughout Southern Maryland since 1970. With 50+ years of completed work across demolition, paving, concrete, storm drainage, utility installation, and site development, our portfolio speaks to the breadth and quality of what our crews build.
The projects below represent a cross-section of our commercial building, paving and concrete, and heavy equipment capabilities — work that stands in the communities where we live and operate.
Our Work
Commercial building · Paving & concrete · Heavy equipment
Residential Driveway Project: BEFORE
FDR Blvd Phase 3A – California, MD
ButtonFDR Blvd Phase 3A
ButtonFDR Blvd Ribbon Cutting
ButtonFDR Blvd. California MD to Lexington Park MD
ButtonFDR BLVD. Project
ButtonFDR Blvd. Round-About
ButtonFDR BLVD
ButtonFDR Blvd. Road Project St. Mary's County
ButtonFDR Blvd. Asphalt St. Mary's County Project
ButtonFDR Blvd Phase 3A – California, MD
ButtonFDR Blvd. Road Construction
ButtonUnmanned Hanger MQ25 Concrete Installation
ButtonUnmanned Hanger MQ25 Commercial Concrete Project
ButtonUnmanned Hanger MQ25 Concrete Project St. Mary's County
ButtonConcrete Preparation Unmanned Hanger MQ25
ButtonRunway 6-24 – Patuxent River Naval Air Station St. Mary's County Concrete Project
Button1140 – Hanger P265 – Patuxent River Naval Air Station
ButtonCBD Roadside Repair – Chesapeake Beach – Calvert County
ButtonWolf Ft. Point Culvert Repair – Webster Field
ButtonWolf Ft. Point Culvert Repair – Webster Field
Button Current Projects 2026
1.
Southampton Phase I
*General Contractor * St. Mary’s County * Construction of roadway and site infrastructure for the Southampton development, including grading, drainage, stormwater management, paving, sidewalks, and concrete improvements.
2.
Repair Taxiway Delta
* GC – CER, Inc. * Patuxent River Naval Air Station * Rehabilitation and reconstruction of Taxiway Delta, including pavement milling and demolition, excavation, storm drainage, aggregate base installation, asphalt paving, airfield lighting, signage, and pavement markings
3.
St. Mary’s County Family YMCA
* GC – KRM Construction Company LLC * Great Mills, Maryland * Complete site development, including excavation, grading, sediment and erosion control, storm drainage, water and sewer utilities, undercut and fill, asphalt paving, curb and gutter, sidewalks, pervious pavers, bollards, landscaping, signage, and pavement markings.
4.
FDR Blvd Phase 3B
* General Contractor * California, MD * Construction of new roadway infrastructure, including clearing, grading, erosion and sediment control, storm drainage, stormwater management facilities, retaining walls, aggregate base, asphalt paving, curb and gutter, sidewalks, an elevated boardwalk, street lighting, traffic signals, landscaping, signage, and pavement markings
5.
St. Mary’s County Heavy Equipment Rental
* General Contractor * On-call, time-and-materials contract providing labor, operated heavy equipment, trucking, and materials for roadway and county property improvements, including excavation, grading, drainage, infrastructure repairs, base installation, roadside restoration, and general sitework.
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Ready to Start Your Next Commercial Project?
Great Mills Trading Post has the experience, equipment, and Southern Maryland roots to deliver your project on budget and on time. Contact our team today to discuss your upcoming work.


































