Fargo-based Ulteig Engineers has been recognized as one of the top 100 fastest-growing engineering, environmental and architectural consulting firms in the nation. The firm is ranked No. 95 on The ZweigWhite Hot Firm 2004 List, the only North Dakota-based firm to make the list. The list was compiled from questionnaires sent to firms around the country and is based on gross revenues from 2000 and 2003. In related news, Ulteig Engineers is celebrating its 60th anniversary. The company held a client open house at its new state-of-the-art office in Fargo Sept. 23. In addition to Fargo, the firm has regional offices in Bismarck, ND; Sioux Falls, SD; and Minneapolis and Detroit Lakes, MN.