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  • Columbia Roofing, Incorporated
    Columbia Roofing, Incorporated
    (410) 379-6100
    6363 S Hanover Rd, 21075  Elkridge

    Columbia Roofing, Inc. takes pride in having established a reputation for the highest standards in workmanship and customer service. Beginning in 1977, Mike Christopolis established lasting relationships with some of the areas largest home builders , which continues today. At that time most of his …

  • Pinnacle Energy Inc.
    Pinnacle Energy Inc.
    6670 Business Pkwy Ste 105, 21075-6323  Elkridge

    ProVia Door, Inc. is a leading manufacturer of professional-class doors, storm doors, and patio doors. Based in Sugarcreek, Ohio, ProVia Door began as a small Amish country manufacturer of entry doors and has grown into a dynamic organization with nearly 400 employees. ProVia Door is an ENERGY STAR…