ISG Expands Offices to Green Bay, Wisconsin – Acquisition of Raasch Engineers | Architects

Lynn Bruns, PE, LEED AP
,
Chief Executive Officer
September 11, 2016

September 7, 2016 (Mankato, Minnesota) – ISG is pleased to announce the recent acquisition of Green Bay-based Raasch Associates, Inc., better known as Raasch Engineers | Architects, serving as the eighth location to the multi-disciplinary firm’s footprint. For over 20 years, Raasch Engineers | Architects has provided professional design services to some of the largest and most recognizable Industrial clients. Raasch Engineers | Architects has also worked hard to establish solid roots within the state and other critical industries such as Healthcare, Commercial, and Government. With direct expertise in architecture, steam and power, process, and electrical engineering as well as structural and mechanical engineering, Raasch Engineers | Architects increases ISG’s overall professional team to 230+.

“ISG was no stranger to the expertise-driven reputation that Raasch Engineers | Architects prided itself on, as we have partnered on projects in the past. ISG’s growth in Wisconsin, with significant expansion in La Crosse and now in Green Bay, helps us support even more opportunities with other clients throughout the upper Midwest and nationwide. We are always interested in ways to expand our geographic footprint,” stated Chad Surprenant, ISG President and CEO.

“Raasch Engineers | Architects had defined strategic opportunities, such as this acquisition, in recent business plans as combining forces with a progressive, entrepreneurial, and driven firm like ISG synced perfectly with our future goals, desires, and client approach. We will now be able to offer past and present Raasch Engineers | Architects clients the same responsive and creative services, with the added power, creativity, and strategic approach that ISG has built over the past 40 years,” stated Gary Schneider, Former Raasch Engineers | Architects President, and current ISG Green Bay Office Leader and Architect. “We are excited for the months and years ahead, in addition to serving ISG clients and additional markets,” noted Schneider.

No items found.
Lynn Bruns, PE, LEED AP
Chief Executive Officer

Related Articles

South Tama County Middle School Earns Outstanding Award in Spring 2026 Educational Facilities Design Awards

The Spring 2026 Educational Facilities Design Awards, presented by Learning By Design, honors education projects that demonstrate design excellence, innovation, and meaningful impact on student experience, with recipients selected through a blind peer review process from 52 submissions.

Announcements

ISG’s Innovative Drainage Project Recognized as ACEC State and National Honoree

ISG’s Martin County Ditch No. 28 Nutrient Treatment Train project has received two honors: the 2026 ACEC Minnesota Engineering Excellence Grand Award and the ACEC National Engineering Excellence Award, recognizing innovative engineering solutions that improve drainage performance while protecting water quality.

Announcements

ISG Earns 2026 MEA Energy Association Photo Contest Readers’ Choice Award

ISG received the 2026 MEA Energy Association Readers’ Choice Photo Contest award for a 3D scan inside St. Paul’s historic Kellogg Tunnel, showcasing where history meets technology.

Announcements

ISG Strengthens West River Presence with ARC International in Rapid City

ISG acquires ARC International, strengthening its architecture presence in Rapid City, South Dakota, and expanding services across western South Dakota.

Announcements

Honoring Bryan Paulsen: ISG Establishes New Architecture Scholarship

ISG honors the legacy of Bryan Paulsen by establishing a new architecture scholarship supporting future design professionals and advancing the next generation of architects.

Culture
Announcements

The Future Of Southern Minnesota Lakes Conference Highlights Lake Solutions + New Lake Management Workshop

ISG’s 2026 Future of Southern Minnesota Lakes Conference brought together lake advocates, researchers, and local leaders to share solutions and launch a hands-on Lake Management Workshop for improving regional lake water quality.

Industry Insights
Announcements