MAYOR THADDEUS JONES WELCOMES FASTEST-GROWING PROVIDERS OF COMMERCIAL AND INDUSTRIAL WATER TREATMENT SOLUTIONS TO THE CITY OF CALUMET CITY

FOR IMMEDIATE RELEASE

• GLOBAL WATER TECHNOLOGY SET TO OPEN NATIONAL HEADQUARTERS IN CALUMET CITY INDUSTRIAL DISTRICT
• “GLOBAL WATER TECHNOLOGY’S BOLD MOVE TO CALUMET CITY SHOWS THEIR COMMITMENT TO ILLINOIS AND MEANS THAT QUALITY JOBS AND ECONOMIC GROWTH WILL REMAIN IN THIS COMMUNITY FOR YEARS TO COME.”

Calumet City, Illinois — September 19, 2025— Mayor Thaddeus M. Jones and Global Water Technology (GWT) announced today that Global Water Technology, a national leader in water and energy services, has purchased over five acres and renovated over 100,000 square feet of office, production and warehouse space to create a headquarters to propel their growth across the U. S. Already home to GWT’s Equipment and Support Services business, Calumet City will become home to the firm’s corporate headquarters and business operations center.

“The fact that Global Water Technology has brought its company under one roof and extended its commitment to Calumet City and the direction I am working to take our community is a full circle moment. This deal demonstrates GWT’s commitment to Illinois and ensures that GWT will remain in Calumet City. Their commitment to providing quality jobs and economic activity within the city will be valuable for years to come,” said Mayor Thaddeus Jones.”

Global Water Technology, Inc. was founded in northern Illinois in 1990 by Maria E. Villarreal-Byerley, a Mexican immigrant whose father brought his family to the United States while serving the Illinois Central Railway. With a handful of experienced industry experts from established companies, she founded GWT on the principles of service, honesty, and partnership. These founding principles have laid a solid foundation for the growth and success of the modern organization GWT operates today. Recognized as one of America’s fastest growing companies, GWT continuously earns a place on the prestigious Inc. 5000 list. GWT has successfully completed nineteen acquisitions and operates in more than forty states today, with offices in Texas, Arizona, California, Wisconsin, and Kentucky. This HQ brings over 80 fulltime professional and technical jobs to Calumet City, and GWT employs more than 200 people nationwide.

“Calumet City provides a dynamic work environment for our employees. This is a major step as we continue to work together to accelerate Global Water Technology’s growth,” said Michael A. Byerley, GWT’s Chairman and Chief Executive Officer. “Our talented team members are embracing Calumet City as our new home, and we are committed to this region for the long term. Since our founding in 1990, Illinois has been pivotal for our company’s growth and success. GWT looks forward to partnering with Mayor Jones to further support the community of Calumet City.”

CBRE (Matt Cowie and Bill Sheehy) represented Global Water Technology with the purchase transaction in Calumet City, Illinois. Clune Construction (Chris Redpath) served as general contractor and remains engaged with GWT as expansion and design planning for further phases commence. Signature Bank (Mick O’Rourke, Nate Dinger, and Tim Hanson) served as GWT’s financing partner on the initial property purchase and subsequent renovation and build out.

For more information, please contact GWT at info@gwt-inc.com or 708-349-9991 or Calumet City via Sean Howard at 312-498-1371

About Global Water Technology, Inc.: Global Water Technology, Inc. is one of the nation’s fastest-growing providers of commercial and industrial water treatment solutions. Founded in 1990 to meet a growing demand for personalized, affordable, and reliable water treatment services, GWT now serves a wide range of customer segments including hospitality, healthcare, manufacturing, commercial office buildings, data centers, food, and beverage, as well as new construction clients. GWT’s reputation for superior service and cost-effective solutions for minimizing water consumption and extending the useful life of water systems equipment has propelled GWT from its Chicagoland roots to being a national provider with a presence to-date in over 40 states.

For more detailed information about GWT, please visit www.gwt-inc.com.

About Calumet City, Illinois: Calumet City, Illinois, is a historic community located just south of Chicago with a strong legacy of industry, resilience, and cultural diversity. Under the leadership of Mayor Thaddeus Jones, the city has launched ambitious initiatives to drive economic revitalization, attract new businesses, and create quality jobs for local residents. With its strategic location, skilled workforce, and commitment to growth, Calumet City is positioning itself as a vibrant hub for commerce and opportunity in the region.

For more detailed information about Calumet City, please visit https://calumetcity.org.

About Clune Construction: Clune Construction is a national, employee-owned general contractor with offices across the United States. With a history spanning more than 25 years, Clune is recognized for delivering exceptional construction management and general contracting services across diverse industries, including corporate interiors, mission-critical, healthcare, retail, and industrial. The company is built on a culture of integrity, collaboration, and client-focused service, consistently earning recognition as one of the nation’s leading construction firms.

For more information abut Clune Construction, please visit www.clunegc.com.

About CBRE Group, Inc.: CBRE Group, Inc. (NYSE:CBRE), a Fortune 500 and S&P 500 company headquartered in Dallas, is the world’s largest commercial real estate services and investment firm (based on 2023 revenue). The company has more than 130,000 employees (including Turner & Townsend employees) serving clients in more than 100 countries. CBRE serves a diverse range of clients with an integrated suite of services, including facilities, transaction and project management; property management; investment management; appraisal and valuation; property leasing; strategic consulting; property sales; mortgage services and development services.

For more information abut CBRE, please visit www.cbre.com.

About Signature Bank Chicago: Signature Bank Chicago is an award-winning, relationship-based commercial bank wholly owned by Signature Bancorporation, Inc., a privately funded, locally owned bank holding company founded in 2006. Headquartered in Rosemont, IL, Signature Bank provides accessible, strategic, and highly individualized commercial banking services to closely held companies, as well as full-service retail banking capabilities. Technology-driven and well-capitalized, Signature Bank is currently the fastest-growing, independently owned business bank in Chicagoland.

For more information about Signature Bank, please visit www.signaturebank.bank.

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