The philosophy A.W. Kuettel started in 1924 has made Kuettel & Sons one of the Upper Midwest's major industrial metal fabricator, mechanical and roofing contractor. The Company reached more than $15 million in contracts in 1979 and employed more than 500 people. The philosophy A.W. Kuettel started in 1924 has made Kuettel & Sons one of the Upper Midwest's most respected and enduring contractors for