Testing and Proctoring Center is located in Ashburn and is one of the largest educational testing and proctoring centers based in Loudoun County, VA. TAPC is currently authorized to offer and deliver computerized exams available by two of the biggest exam sponsors Pearson Vue and PSIonline along with other examination providers Kryterion, Scantron, CLEP, DSST (Prometric), MAT, and WGU. TAPC features modern, protected centers with all new computer and testing equipment and secured lockers. TAPC has professionally educated and courteous staff. There is plenty of free auto parking available for test takers.