Interstate

A family owned and operated company, Interstate Corporation has been proudly serving the Washington, D.C. Metropolitan area for the past 27 years. Interstate Corporation is a full-service Commercial Roofing company led by Perry Cho, president and John Cho co-founder. Together both brothers continue the legacy of success from one goal that was set 27 years ago, "Delivering Quality Service that Exceeds Expectation. Over those years, Interstate has crafted an impressive portfolio of commercial, governmental, and private projects with an emphasis on educational buildings. Our portfolio includes hundreds of replacement, renovation and new construction of K-12 schools, universities, academic buildings, shopping centers, apartments, warehouses, offices, churches, and an array of other commercial and governmental facilities.