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Ralph J. Duffie Incorporated
Duffie Incorporated
Consolidated Commercial Services - General Contractor

 

 

 

 

 

 

 

 

About Duffie Companies
The Duffie Companies are comprised
of three arms:

Ralph J. Duffie Incorporated

Asset Management &
Real Estate Development
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Duffie Incorporated

Property Management
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Consolidated Commercial Services - General Contractor

General Maintenance & Renovation
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1701 Elton Road Silver Spring, MD 20903