Corporate Map American Infrastructure (AI) is corporate parent to construction companies and a multiple-site, construction materials supplier, strategically positioned in the Mid-Atlantic States adjoining the metropolitan areas of Philadelphia, Baltimore and Washington, D.C.   Main Offices     AAM - Worcester, PA     ICM - Malvern, PA     AI Maryland - Fallston, MD     AI Maryland - Greenbelt, MD       AI Virginia - Chantilly, VA           Branch Offices     AAM - Alburtis, PA     AAM - Dover, DE       AI Virginia - Midlothian, VA         Material Production Facilities       Cedar Hill, PA       Coatesville, PA     Paradise, PA     Talmage, PA       Aberdeen, MD       Cheswold, DE       Elk Mills, MD