Maryland Portable Concrete, Inc.  
Plants located in Aberdeen and Elkton, MD.
Corporate Office: 111 Southway (PO Box 535); Havre de Grace, MD 21078.  Phone 410.272.1940
Aberdeen  410.273.7900;  Elkton  410.398.8686;  Baltimore  410.575.7077;  DE  302.368.8488;  PA  610.932.7900