Athens, TN – (January 5, 2026) – Heil Trailer, a subsidiary of Engineered Transportation International (EnTrans), is marking its 125th anniversary in 2026. The company will be promoting this milestone throughout the year, including a commemorative logo and an update to its website, which includes an up-to-date tradeshow calendar and other anniversary elements.
Heil Trailer’s story began in 1901, when Julius Heil established the Heil Rail Joint Company in Milwaukee, Wisconsin. By 1902, the company was already innovating, manufacturing the first riveted oil tank.
Today, Heil remains a worldwide leader in tank trailer solutions, driving the industry forward with cutting-edge innovations and a core commitment to safety. Engineered to meet the most stringent region- and load-specific requirements in 85 countries worldwide, its petroleum, dry bulk, stainless steel, crude and asphalt trailers are backed by an extensive dealer network.
Key Heil Trailer innovations:
- First electrically welded compartmental tank in the mid-1920s.
- First stainless steel milk hauling tank in 1927.
- First fully welded aluminum tank truck in 1930.
- First tank with a fully streamlined design in 1934.
- Heil trailerized tank in 1935.
- First trailerized train in 1950.
- First titanium transport in 1981.
- First trailer with low center of gravity in 1989.
- West Coast Truck & Pull and 102″-wide SuperFlo in 1997.
- Production began for Aero JET 1040 in 2011.
- Launch of purpose-built Aluminum DOT407 Petro Chemical trailers in 2012.
- Juarez facility approved for production of DOT400 series cargo tanks in 2013.
- Launch of Fleet Duty petroleum trailers in 2017.
- LightGUARD™ safety enhancements introduced to the market in 2021.
- TANK Ai™, a suite of advanced technologies that enhance fleet management and safety, introduced in 2022.
- Planned expansion into the LH2 market in 2026.
“It’s incredibly rare for a company to survive and thrive for 125 years, so this anniversary is a true testament to Heil’s customer focus and the premium, enduring performance of our products,” said Ryan Rockafellow, CEO of EnTrans International. “I thank our dedicated team and valued customers who’ve helped us advance the transportation industry and introduce innovations that enhance safety, efficiency and security.”
About Engineered Transportation International
Engineered Transportation International (“EnTrans”) is a global leader and manufacturer of transportation equipment, providing innovative engineered solutions to meet customer challenges. The company is comprised of Heil Trailer, Polar Tank Trailer, Jarco and Kalyn Siebert. Heil Trailer has been manufacturing durable tank trailers since 1901 for liquid, dry bulk, oilfield, construction, platform, specialized, towing and defense transportation. Polar Tank Trailer is one of North America’s largest producers of dry and liquid bulk tank trailers.
Engineered Transportation International is owned by TerraVest Industries Inc. and headquartered in Athens, TN.
About TerraVest Industries Inc.
TerraVest is a diversified industrial company that manufactures and sells goods and services to a variety of end-markets. The Company is a market-leading manufacturer of home heating products, propane, anhydrous ammonia (“NH3”) and natural gas liquids (“NGL”) transport vehicles and storage vessels, energy processing equipment and fiberglass storage tanks. TerraVest is focused on acquiring and operating market-leading businesses that will benefit from TerraVest’s financial and operational support. For more information on the Company, please visit www.terravestindustries.com. Additional information relating to the Company, including all public filings, is available on SEDAR+ (www.sedarplus.ca).
Heil Trailer 125th Anniversary Logo