IIW

Structural Engineering

Architectural Building DesignBridges & CulvertsCommercialIndustrialRetaining Structures

Flexsteel Corporate Headquarters

Flexsteel partnered with IIW to identify a site, develop a concept and fully design its new corporate headquarters to take advantage of the location’s Mississippi River view. The completed facility spans 46,000 square foot occupying four floors. The building provides a variety of flexible space, including open office areas, private offices, conference rooms, and a […]

Flexsteel Manufacturing Facility

Flexsteel Industries spent more than 80 years at its Jackson Street Manufacturing Facility in Dubuque, Iowa. Knowing the facility had outlived its life, company leaders announced they would close the facility and build a new $25 million, 250,000-square-foot-facility in the Dubuque Industrial Center South. Not only would they be gaining a modern, more efficient facility, […]

National Mississippi River Museum & Aquarium

IIW served on the design dream team to create the National Mississippi River Museum and Aquarium. The complex facility, led by Esherick Homsey Dodge and Davis of San Francisco, California, included the design of a variety of intricate exhibits and five integral concrete aquaria totaling 30,000 gallons. IIW helped provide the design expertise on major […]

Portzen Construction Office Addition

Company growth and a lack of space prompted Portzen Construction to move forward with an addition to their existing corporate office building. Portzen’s existing building is a precast concrete wall panel building. The building owners wanted to re-use the existing wall panels that were being removed, and incorporate them into the layout of the addition. […]

Verena Street Coffee Co.

Verena Street Coffee Co. produces craft roasted coffee that is distributed both locally and nationally. As their business experienced a boom in growth in a short five year period, the owners knew it was time to expand. In late 2015, they broke ground on a new 35,000 sf coffee roasting facility in the Dubuque Industrial […]