There's a lot going on at Kalyn Siebert these days! We've been busy expanding our line of heavy-duty trailers — focusing our efforts on robust new designs and innovative features that will make a difference in the way you haul loads and drive bottom-line results. For more than 50 years, we've been setting the standard for high-performance trailers to support the needs of customers in various industries with specialty transportation equipment ranging in capacity from 25 - 250 tons. Designed, engineered and handcrafted in the heart of Texas. ISO 90001, ISO14001, ISO 18001 certified.