Quester Tangent is a leading North American supplier of train electronics and software solutions for the passenger rail and locomotive industries. We are a Canadian company with a global perspective and a rich history of leading-edge technology development.

We provide a complete portfolio of modular and tailored solutions for rail vehicle manufacturers and transit authorities: TrainWise, flexible on-board train and locomotive monitoring and control electronics and passenger information system, FleetWise, innovative wayside software and TestWise, comprehensive test equipment products.

Quester Tangent is certified ISO9001:2008 and is CMMI Level2 SCAMPI A ready. Each product we design, manufacture, and support through our “Toal TrainLife Care” promise helps our customers increase operational efficiency, improve fleet availability, optimize on-time performance, and enhance passenger safety and comfort.

Quester Tangent also offers a comprehensive portfolio of capabilities and services:

» System integration
» Project management
» Custom engineering
» Manufacturing
» Maintenance and warranty support
» Customer service
» Training

As a trusted partner of the world's major train manufacturers and transit authorities, Quester Tangent has successfully delivered a broad spectrum of both new and modernization projects on time and on budget in North America, Korea, China, and Malaysia.