
About
STT's core competency is understanding your lime-based materials and processes. Our experience in designing, integrating, installing, and maintaining lime storage, handling and slaking systems provides us with the expertise of how each part of the process functions both as an individual component and as an integrated system.
Providing Solutions & Services
STT is a global company, founded in 1970, that designs, integrates, installs, and maintains lime storage, handling and slaking systems. We engineer solutions that fit our customers’ needs and exceed their safety, efficiency, and reliability standards. We support our customers throughout the full life cycle of their system from design concept to installation through maintenance. We are your lime handling experts™.

STT is headquartered in Milton, ON, Canada with an office in Richmond, BC, Canada and is a subsidiary of Carmeuse.

We are the home of market leading ZMI Portec® detention slaker for quick lime slaking as well as high capacity lime slaking systems integrated with renowned Metso Vertimill® slakers.
With over 50 years of experience, we understand your application and plant requirements are unique. STT designs, procures, and provides post-installation support of dry bulk chemical processing systems and bulk material storage and handling systems that best fit your needs. We design systems tailored to site specifications across a variety of industries.
If it involves designing, integrating, installing, and maintaining lime storage, handling and slaking systems, or any applications that go along with them, STT has seen it. Below are answers to some of the most commonly asked questions we receive. Cannot find an answer to your question here? Contact one of our experts directly. Just click on the form below.
At STT we are continually seeking innovative and ambitious individuals to join our team. Offering a great client experience for our customers begins with creating a great workplace for our employees.
STT is committed to delivering system solutions and services that exceed customers’ safety, efficiency, and reliability standards. We accomplish this by offering systems to meet customer challenges, simple or complex, through standard and customized solutions. We support you throughout the full life cycle of your system, from design concept, to installation, to maintenance, through system decommissioning. Our people are committed to engineering expertise, tailored designs, and passion for discovering solutions to challenges around the world.
At STT, our leaders help to define and realize the core values of our business including our customer focus, long-term, responsibilities, respect and efficiency.
Follow all our news including company announcements, press releases, and other business news. This includes press releases, articles, events and presentations that cover our business more widely including news on products, services, and innovations