First riveted oil tank for horse drawn wagon

 
Successfully used electric welding on compartmental tanks

 
Demonstrated superiority of Heil welded tanks over riveted type when Heil welded steel water tanks were used by the U.S. Army to transport water supplies through the wilds of northern Mexico in the pursuit of Pancho Villa

 
First tin lined steel milk truck tank

 
First all welded stainless steel transport

 
First Heil aluminum truck tank

 
First fully streamlined truck tank

 
First Heil hi-tensile steel petroleum tank

 
First frameless trailerized transport

 
First aluminum trailerized tank fabricated for one of the country’s largest oil marketers

 
Heil produces equipment for the U.S. Military operations for WWII

 
First molded fiberglass transport

 
First all nickel transport

 
The elliptical straight barrel “Challenger” petro tank is conceived and offered to the marketplace. The basic design of today’s Super Jet is produced.

 
Cooperated with E.I. Dupont in developing the first titanium transport

 
Heil purchased the Super Flo design from the Penske Tank Co., formally known as Butler Tank

 
Heil built first U.S. built 2205 duplex stainless tanks

 
Cooperated with Freightliner in designing and building the FACT tank (Freightliner/Heil Advanced Concept Truck) in a lobbying effort for 88,000 GCW. The Industry's first Low Center of Gravity tank trailer.

 
Heil purchases J&L Tank. Dover purchases Heil.

 
Heil Asia begins production

 
Heil builds the first all aluminum ISO container the DryTainer.

Heil becomes ISO 9001 Certified.

 
Heil introduces the 102” wide Super Flo dry bulk trailer

 
Heil purchases Thompson Carmichael in the UK. Heil builds plant in Argentina.

Heil re-engineers the dry bulk trailer market for lighter weight

 
First units constructed for the South American market

 
Heil introduces Next Generation Petroleum Transports

 
Heil Introduces light weight bi-metal frame for Super Jet

 
Developed Evolution tank for ExxonMobil

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