Rudolph/Libbe Inc., the largest of the three Rudolph/Libbe Companies, was founded in 1955 by Fritz and Phil Rudolph, and their cousin, Allan Libbe. The Walbridge, OH, main office is located on the original Rudolph family farm, where the business began. Early in their partnership, the three company founders decided to focus on commercial and industrial construction. In 1990, Rudolph/Libbe Inc. opened a second office in Canton , Michigan . Tim Alter was named president of Rudolph/Libbe Inc. in 1998. Today, the general contractor, design/build and construction management firm of Rudolph/Libbe Inc. is ranked among the top firms in Engineering News-Record's "Top 400 Contractors Sourcebook."