- 3 N Co Inc
- Caldwell Construction Inc
- Carder Construction
- Cianbro Corp Berths 5 & 6
- Contractors Support Group
- Darpino Construction
- Dick Erat
- E & E Contracting LLC
- Guardrails Etc Inc
- Industrial Service
- Maryland Port Contractors Inc
- Mtk Enterprises Inc
- North Point Builders Inc
- R A Spooner General Contr
- R M Diotte Construction Co
- Range Contracting & Consulting
- Rhema Construction Co Inc
- S & D Remodeling
