About Us

TRIO products employ the most current design and technical expertise. Innovative engineering, advanced geometry, and superior manufacture yield a range of durable, productive, highly-efficient, and cost-effective aggregate and mining equipment.

TRIO's machines are built for easy maintenance and a long working life in the most extreme conditions. All TRIO products are backed by the company's one-year warranty and continuing service commitment.

Now is the time to find out what TRIO can do for you.

The Company

TRIO Engineered Products, Inc. continues to grow as a manufacturer of crushing, vibrating, washing, and conveying equipment for the aggregate, mining, recycling, and mineral industries.

Customer Feedback

We love to hear from you! you can send us your testimonial comments or which machine you love the most to us. We are glad to hear from you.


TRIO's main corporate office and US warehousing facility is located just outside of Los Angeles in Irwindale, California.


TRIO is staffed by a management team of forty experienced design and production engineers overseeing an expanding team of 300 mechanics, welders, and machinists.

Address: 12823 Schabarum Ave, Irwindale CA 91706, USA Tel: (626)851-3966 Fax: (626) 851-9526
Copyright © 2014 Trio Engineered Products Inc.