LWSC Board Member J&E Duff, Inc Richard H Lauber Founding member of the LWSC. J & E Duff, Inc. J. & E. Duff, Inc., Mason Contractors, is family owned and operated and was established in 1936 in Oak Park, IL by John and Edward Duff. Our initial focus was on residential construction. In the 1960s, under the leadership of Dick Lauber, we began to shift our attention to commercial, industrial and institutional construction, which is our exclusive focus today. We moved our office to Carol Stream, IL in 1964 and then to West Chicago, IL in 2001. J & E Duff, Inc. is now owned and operated by Richard Lauber, Jr. OUR COMMITMENT J. & E. Duff, Inc. is a Union Contractor committed to excellence in masonry construction. We are committed to providing the greatest amount of customer satisfaction. We are dedicated to job safety. We stand behind our work with pride, confident that we have produced work of the highest quality and have served our customers with care, diligence and efficiency.