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1955 – January
GWT’s founder, Maria E. Villarreal, immigrates to Chicago, IL from Monterrey, Mexico with her mother, father, and four siblings at 5 years old.
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1990 – June
GWT is founded in Orland Park, IL by Maria E. Villarreal-Byerley with strong support from her husband, William H. Byerley, and with several key employees charged with day-to-day operational management of the company.
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2002 – April
GWT moves to Oakbrook, IL and Maria takes over day-to-day operations of business.
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2005 – July
GWT expands into facility operations and establishes an Engineering Services divisions (today, Global Facility Services).
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2010 – February
GWT moves back to Orland Park, IL. 2011 – June – Maria’s son, Michael Byerley, is hired full time as an Account Manager after his graduation from Northwestern University.
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2011 – June
Maria’s son, Michael Byerley, is hired full time as an Account Manager after his graduation from Northwestern University.
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2015 – March
Midwest Products & Consultants (MPC) , based in Illinois, is acquired by GWT and MPC’s founder, Edward Modestas joins the company.
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2015 – June
Michael Byerley is promoted to President and Maria steps down from day-to-day involvement in the company.
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2016 – June
Superior Water Management (SWM), based in Illinois, is acquired by GWT and SWM’s founder, Eric Burgess joins the company.
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2016 – August
Maria officially retires and sells her shares to Michael, making him the second-generation owner of GWT.
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2018 – May
GWT moves to a 26,000 SQF location in South Holland, IL allowing for in-house manufacturing, laboratory services, and training.
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2018 – July
GWT assimilates PCS Industries’ (PCS), water services arm and PCS’ division manager, Larry Feldmeier, and his son, William Feldmeier, join the company.
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2019 – February
Lakeland Chemical Specialties (LCS), based in Wisconsin, is acquired by GWT and LCS’ founders, Scott Olson, CWT and Leonard Tanel, CWT, join the company. GWT opens a Regional Office & Terminal in Menomonee Falls (Milwaukee), WI.
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2019 – July
GWT expands into custom blending and product distribution through partners. Global Custom Solutions (GCS) is formally established.
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2019 – July
Butler Chemical Company (BCC), based in Illinois, is acquired by GWT and BCC’s founder, Michael Jones Sr., and his son, Mick Jones Jr., join the company.
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2019 – September
GWT opens a Southwest Office & Terminal in Phoenix, AZ.
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2020 – May
Water-Tech Specialties (WTS), based in Fremont, CA, is acquired by GWT and WTS’ founder, Jack Walker, CWT, and two children (Bonnee and Scot) join the company. GWT opens a Regional Office & Terminal in Fremont, CA.
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2020 – July
SKASOL Incorporated (SKA), based in Oakland, CA, is acquired by GWT.
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2020 – October
GWT is granted exclusive distribution rates for MEXEL Surface Treatment Technology within the United States of America.
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2021 – January
GWT adds an additional 10,000 SQF to South Holland, IL.
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2021 – January
Bates Water Solutions (BWS), based in Willowbrook, IL, is acquired by GWT and Raymond Bates joins the company.
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2021 – January
Great Lakes Treatment Corporation (GLTC), based in Sunfield, MI, is acquired by GWT and Kerry Haynor joins the company.
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2021 – September
Mathew Jensen, CWT, Vice President, Great Lakes Region becomes President of the Association of Water Technologies.
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2022 – March
Rolland Gary (RGI), based in Traverse City, MI, is acquired by GWT and Greg Mahrle joins the company.
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2022 – May
Fort Bend Services (FBS), based in Houston, TX, is acquired by GWT. GWT opens a Regional Office & Terminal in Houston, TX.
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2022 – June
DB Water Technology (DB), based in Arizona, is assimilated by GWT.
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2022 – June
Kemco Systems’ chemical water treatment business (formerly Bob Johnson and Associates), based in Houston, TX, is acquired by GWT.