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At TSI, we specialize in custom and standard replacement parts for the transit industry. Parts can be manufactured to your specifications utilizing a broad spectrum of materials and processes. We are prepared to meet any of your requirements for commuter cars, light rail vehicles, subways and buses. 

TSI's quality system is ISO-9001 equivalent. Please contact us for our competitive pricing and quick delivery. Our diversified manufacturing capabilities and advanced product line is ready to serve you.
Quality Parts; Competitive Pricing; Quick Delivery  
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