About Us

Founded in 1867 as John Morrison Instruments, Sterling ITI Ltd, as we are now known, has been at the forefront of providing high-quality pressure and temperature instrumentation.

From our humble beginnings serving Liverpool’s bustling marine industry, we’ve evolved into one of the UK's leading manufacturers of Pressure and Temperature Gauges, Temperature Sensors, and associated instrumentation.

Over the past 150+ years, Sterling ITI Ltd has grown and adapted, driven by a commitment to quality and precision. Today, we continue to uphold the same passion for excellence, combining decades of experience with cutting-edge technology.

Our brands include Sterling Sensors, Instruments to Industry and Sella-Askus Engineering.

Now based in Oldham, just outside Manchester, our bespoke manufacturing facilities are home to a skilled and hardworking team dedicated to producing some of the finest products available in the market.

At Sterling ITI Ltd, we combine tradition with innovation, ensuring that every product meets the highest standards of quality, durability, and performance.

With an extensive network of approved distributors, Sterling ITI Ltd. exports to over 55 countries worldwide, providing industry-leading instrumentation to businesses and industries across the globe.

Our products are trusted and used by professionals in various sectors, cementing our reputation as a company that leads through expertise and reliability.