“Working with Calder Capital and Shane was an absolute game-changer for us. Throughout the entire process, Shane brought professionalism, expertise, and a steady hand that made navigating this a success. His guidance was immeasurable in every step of the way, and I couldn’t have asked for a better partner to help us through this.”
– Josh Cunningham, Former Owner, Mark Industries Ltd., Elgin, IL (Seller)
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Transaction Summary
Calder Capital, a nationwide mergers and acquisitions advisory firm, is pleased to announce the successful sale of Mark Industries Ltd. of Elgin, Illinois, to AGS American Glass Services of Oshkosh, Wisconsin.
The Acquisition Story
Founded in 1988, Mark Industries is an integrated commercial glazing contractor serving commercial and institutional projects throughout the greater Chicago area, southern Wisconsin, and northern Indiana. The company manages estimating, shop drawings, material procurement, fabrication, installation, maintenance, and repair services in-house. Following rapid growth at Mark Industries, Owner and President Josh Cunningham sought a strategic partner that aligned with the company’s vision. He engaged Calder’s Sell-Side team to find a buyer who would value the people and culture behind the company’s success while positioning the business for continued growth.
Mark Industries’ engagement led to Calder Capital marketing and advising the sale of their business to AGS American Glass Services.
Cunningham commented, “I look forward to the future growth of Mark Industries, and working with the partnerships within AGS, to use resources that will help us with growth, efficiency, and creating a glazing brand that will be known throughout the Midwest. We want to be recognized for being one of the most trusted names in the glazing industry.”
Calder Capital’s Transaction Team and Sale Process
Shane Kissack of Calder Capital served as the Lead Mergers & Acquisitions Advisor to Mark Industries. Serving as Lead Associate was Nick Browning of Calder Capital, with Matt Wynes and Drew Woods as the Lead Analysts.
Calder’s Sell-Side team generated strong market interest during the sale process, with 183 Confidential Information Memorandums (CIMs) distributed to qualified buyers, nine indications of interest received, and Calder ultimately obtained four letters of intent to review. Mark Industries closed within two months of signing the letter of intent.
Cunningham noted, “Working with Calder Capital and Shane was an absolute game-changer for us. Throughout the entire process, Shane brought professionalism, expertise, and a steady hand that made navigating this a success. His guidance was immeasurable in every step of the way, and I couldn’t have asked for a better partner to help us through this.”
Kissack remarked, “Josh built something special at Mark Industries, and it was clear from the beginning how much the people, relationships, and culture behind the business meant to him. Finding the right buyer wasn’t simply about securing a successful transaction. It was about ensuring that what he worked so hard to build would continue to thrive. AGS recognized that value and shared his vision for the company’s future. I’m grateful Josh trusted us to help him navigate such an important milestone, and I couldn’t be happier for him and both teams as they begin this next chapter!”
Garrett Monroe, Calder’s Sell-Side Managing Director, stated, “In commercial glazing, skilled teams, fabrication capabilities, and trusted customer relationships are central to a company’s value. Mark Industries’ strengths in each of these areas helped generate strong buyer interest through Calder’s competitive national marketing process. Our team worked to connect Josh with a partner that recognized those strengths and could support the company’s continued growth. Congratulations to Mark Industries and AGS on a transaction that expands their capabilities and presence across the Midwest.”
Calder Capital served as the Exclusive Sell-Side Mergers and Acquisitions Advisor to Mark Industries. Joseph Kelly of Jones, Graham & Kelly LLP represented the seller as legal counsel.
About Mark Industries Ltd.:
Founded in 1988 and headquartered in Elgin, Illinois, Mark Industries is an integrated commercial glazing contractor serving the greater Chicago area, southern Wisconsin, and northern Indiana. The company supports commercial and institutional projects with in-house estimating, shop drawings, procurement, fabrication, installation, maintenance, and repair capabilities across curtain wall, window wall, storefront, entrance, specialty glass, and custom metal systems.
About AGS American Glass Services:
AGS American Glass Services, headquartered in Oshkosh, Wisconsin, is a provider of custom glass and coating solutions to customers across the Midwest. Launched in July 2025 through the combination of Omni Glass & Paint and East Moline Glass as its core operating businesses, AGS also includes Arrow Glass, Elite Glass & Metal, Cedar Rapids Glass Company, and Mark Industries. The Company provides commercial glass installation, paint and coating services, tempered glass distribution, and glass products for specialty vehicles, with in-house fabrication and coatings capabilities that support scalable growth. AGS now has approximately 500 employees across 10 locations and draws on more than 65 years of operating history. For more information, please visit www.AGSGlassGroup.com.
About Calder Capital:
Founded in 2013, Calder Capital is a cross-industry mergers and acquisitions advisory firm with offices across the United States. Calder provides valuation, sell-side, and buy-side services. We are nationally recognized for excellence in advising $1-100M enterprise value transactions in manufacturing, construction, distribution, and business services. Calder serves business owners, entrepreneurs, family offices, financial buyers, and investors. Learn more at www.CalderGR.com.
Notice: Calder Capital, LLC is not affiliated with any similarly named organizations or entities. To verify communications from our firm, visit our website or contact [email protected].
