Ludlum's headquarters is located at 501 Oak Street in Sweetwater Texas.  Sweetwater is at the crossroads of I-20 and Hwy-70 which is approximately 40 miles west of Abilene.  Abilene Regional Airport (ABI) is the nearest commercial airport located about 48 miles from Ludlum and takes just under one hour of travel time by car.  For those wishing to fly into Dallas/Fort Worth, the distance to Ludlum is 220 miles which will take about 3.5 hours by car heading due west along I-20.