Sill Engineering Group, LLC (SEG) is a professional organization specializing in Civil Engineering for the Land Development industries including commercial, residential, and government projects. The firm provides services throughout the Baltimore-Washington area from our office in Ellicott City, Maryland. SEG is well qualified in providing complete professional engineering and planning services all within the framework of a single organization. SEG is staffed with personnel that are highly experienced in various areas of engineering and planning including the following:

Water & Sewer Design
Drainage Design
Roadway Design
Project Cost Analysis
Site Planning
Traffic Control
Paving & Parking Design
Stormwater Management
Well & Septic Design
Preparation on Master Plans
Forest Conservation Plans
Construction Drawings
Grade Establishment
Floodplain Determination
Sediment & Erosion Control
Project Management