As one of the largest IT companies in PA, Weidenhammer has built its reputation of providing professional, knowledgeable IT and business solutions since 1978. Today we boast a staff of more than 150 IT professionals with offices in Reading, Bethlehem, Philadelphia, Lancaster and Kalamazoo, MI. We are one of only a handful of IT companies in the US that have earned the combined status of Microsoft Gold Partner, IBM Premier Partner, CISCO Premier Partner, HP Gold Partner and LOTUS Premier Partner.