Triangle Suspension System, based in Punxsutawney, PA, has been a trusted name in the industry for nearly 100 years, setting the standard for availability, dependability, and technical support. Specializing in heavy, medium, and light-duty springs, as well as air springs, Triangle is known for its quality products backed by ISO certification and a culture of excellence.
With a focus on American-made quality, Triangle has become a market leader in undercarriage products for trucks and trailers in North America. Offering a wide range of OEM applications and over 7,000 Flagg suspension and steering parts, Triangle's commitment to service and product quality ensures they will remain a top choice for fleets and spring shop customers for years to come.
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