Certified Inc. is a fully licensed roofing and exterior home improvement and remodeling contractor for over 30 years with locations in Highland, MD and Vienna, VA. We serve homeowners, businesses, organizations, and commercial contractors throughout Maryland, Washington DC and Northern Virginia. We specialize in roofing, siding, gutters, windows and exterior trim.
Roofing Contractor Highland, Roofers Highland, Baltimore Roofers, Alexandria Roofers, Washington DC Roofers, Siding Contractors Highland, Windows Washington DC, Window Contractors Alexandria, Siding Baltimore, Roof Installation, Roof Repair, Roof Maintenance, Residential Roofers, Commercial Roofers, Industrial Roofing, Flat Roofers, Asphalt Shingles, Cedar Shake Roofing, Torch Applied Roofing, TPO Roof, Synthetic Roofing, Slate Roofers, Highland MD, Baltimore MD, Washington DC, Alexandria VA
"A job well done at the Four Corners Office Park"
"The level of service provided by the staff of Certified, Inc. was exceptional"
"Dear Certified Inc., We were very pleased with our new roof. I would recommend your company very highly to others."
Charles F. Mischke
"Dear Certified, We are pleased with everything about the roofâ€”it looks super, and we thank you for a very complete job, well done."
Mrs. James W
"Dear Certified Inc., Jim and I wanted to thank you personally for the excellent work your company performed for us recently. The new roof is beautiful."
"Certified Inc. is ranked in the "Top 1,000" home improvement companies by Remodeling Magazine, February 1998."
"Dear Certified, . . . Your salesmanship was excellent, and your work crew was extremely pleasant and efficient."
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