Maryland Sterling Mirror Company 4375 Nicole Drive Lanham  20706 Contact:  Michael Kaperst 301.918.2600 (phone) 301.918.3534 (fax) mkaperst@aol.com SGO-Designer Glass of Rockville 11609 Nebel St. Rockville 20852 Contact: Brady Wilkerson 301.770.5566 (phone) 301.770.5567 (fax) bwilkerson@sgorockville.com SGO Designer Glass of Baltimore 1850 York Road Timonium 21093 Contact: Tom Johnson 410.308.1888 (phone) 410.308.1897 (fax) SGO Designer Glass of Annapolis 405 Headquarters Drive STE 6F Millersville 21108 Contact: Alex McKeague 410-987-7461 sgodesignerglass.com