Arnold and O'Sheridan, Inc.

Visiting address

1111 Deming Way, Suite 200

Wisconsin 53717

Madison, WI

Postal address

, Wisconsin

United States


Tel +1 608 821 8500

Fax +1 608 821 8501

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Company information

In 1964, Bud Arnold and Tom OSheridan founded Arnold & O'Sheridan, Inc. (A&O) to provide professional engineering services to the Midwests rapidly growing construction industry. Since the beginning, A&O proved itself to be a firm of top-notch engineers and innovative designers. From its starting point in Madison, Wisconsin, the firm has expanded to open an office in Milwaukee and to work for clients throughout the Midwest. Team Building has served us well over the years, says Brian Hanson, president. It has enabled us to be involved in a very large number of technically challenging projects and as a result, weve developed a sophisticated repertoire of expertise across each engineering discipline, plus an attitude of cooperation and respect for the work of other professionals. Doing something well often leads to other opportunities and that dynamic certainly proved true for Arnold & O'Sheridan, Inc. Today the company serves five primary markets: Architectural, Justice, Institutional, Industrial and Healthcare. We provide Structural, Mechanical, Electrical and Civil engineering services and also work in the specialty fields of High-Voltage Power, Precast and Telecommunications.

Company information

Headquarters location 1111 Deming Way, Suite 200
Wisconsin 53717
Madison, WI
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  • Architects
  • Consultants Corner
  • Consulting Services
  • Design / Build
  • Parking Structure Design
  • Restoration / Testing Services