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Stewarts-USA, LLC

Stewarts-USA, LLC was formed in 2003 as the North and South American distribution and marketing arm with Stewart-Buchanan Gauges, Ltd. Stewarts-USA is positioned to respond quickly to customers' needs.

Mission Statement

To recognize and exceed customer expectations. To build a strong ownership culture and to create sustainable employment and the opportunity for each employee to contribute and succeed. 


We take pride in continuously improving our processes, products and services.

Stewarts manufacturing is certified to ISO 9001 standards. 

Bachofen AG (Trimod Besta)

Besta AG was founded in 1966 as a100% subsidiary of Bachofen Holding AG in Uster. As of October 2015 the company was merged with the Bachofen Automation business unit.

The Trimod'Besta Level, Flow, Pressure and Temperature products are developed and produced in Uster, and distributed worldwide through around 45 country representatives. About 85% of the product sales are generated abroad.

For many years Trimod'Besta level switches have been used successfully in many areas due to their wide application range, variety of construction materials, unsurpassed life expectancy and available certificates.