Lehnhoff's Supply provides services in the following areas: Abingdon, Baldwin, Baltimore, Bel Air, Bel Air North, Bel Air South, Carney, Churchville, Edgewood, Fallston, Forest Hill, Fork, Glen Arm, Jarrettsville, Joppa, Kingsville, Long Green, Lutherville Timonium, Monkton, Nottingham, Overlea, Parkville, Perry Hall, Phoenix, Street, Towson, White Marsh, Havre de Grace, Aberdeen, Fullerton, Loch Raven, Hunt Valley, Cockeysville, Sparks, Glyndon, Pikesville, Reisterstown, Ruxton, Parkton, Rosedale