Specialized Services
STS Intermodal is in the business of transporting and storing Intermodal containers for operators worldwide. Located in Portland, Oregon, we offer a complete line of service in all aspects of chemical transportation, as well as a variety of specialized services. Our wide range of services allow us to take an innovative approach to providing our customers with dependable and quality services.
Our complete line of specialized services

ISO Tank Inspections, Testing, and Repair
STS offers a variety of ISO tank specific inspection, testing, and repair services to meet your transportation needs. These include:
- In-gate and out-gate inspections with interchange and photos
- 2.5 year safety verification testing
- ISO Tank repairs

ISO Tank Heating
From our Portland, Oregon, location STS offers tank heating services utilizing our Sioux Steam Generator, which allows you to unload or transload various products that have a specific viscosity or freezing point. Through our steam generator we can heat your tanks quickly and efficiently.

Flexitank Fitting & Removal
Flexible bulk liquid tanks are a growing trend in the shipping industry. They are suitable for a range of non-hazardous products that include water, wine, juice, and additives.
Flexitanks offer the ability to ship up to 6,340 gallons in a 20-foot container and do not need to be cleaned or returned to a point of origin, which can significantly reduce transportation costs.
STS’ service offerings include fitting, removal, and disposal of Flexitank bladders.

Local and Mobile Diesel and Chassis Repairs
STS provides on-site and mobile diesel engine repairs, and in addition to our diesel repairs, we also offer chassis repair services. If services cannot be provided remotely, we will utilize our state of the art Pro-Tote tractor to transport your vehicle to a qualified repair location.

Onan Generator Repairs
STS is a certified Onan generator report location, our qualified professionals are able to work on local and mobile. Examples of vehicles we repair include Class B Sprinters, Class A Motorhomes, and more.
Don’t see your service? Give us a call at 503-542-0950 or send us a message.