Interstate Tax Service, Inc., is the oldest and most reliable UC consulting service available to Pennsylvania employers. ITS is a 4th generation family owned and operated firm with a reputation for providing personalized services to our clients that are unmatched in the industry. We currently represent over 510 educational institutions in PA.

P.O. Box 1490
Mechanicsburg, PA 17055-1490


Geoffrey D. Moomaw
(800) 382-1395