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We're The Propane Company

POWERING

Southwest Montana

Whether you’re spending precious time with family, powering your business, or pursuing your weekend passion, PSI powers the moments that matter.

For Your Home
For Your Business
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Moving?

Pay for What You Use

ask us about metered propane

Metered propane, by PSI, provides customers with a way to pay for their propane as they use it. We are committed to providing you with reliable, affordable service!

Metered Propane is coming to more areas soon, click to learn why over 20,000 of our customers switched to our metered service!

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Locally Rooted, Nationally Backed

We’re proud to serve you locally, with the strength of national resources behind us.
The brands below are part of the ThompsonGas family, united to support you.
We’re proud to serve you locally, with the strength of national resources behind us.
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REAL CUSTOMER FEEDBACK

"PSI comes in a timely fashion and quietly fills the tank, hangs the bill on the door and everything is topped off for another winter. Thank you for your prompt service!"
Sharon and John NovitskiDillon, MT
"All of my interactions with PSI have been great. They have answered all of my questions and provided excellent service, including working to get my propane stove/oven working properly with my initial fill-up. Personnel have all been courteous, knowledgeable and a pleasure to deal with."
John ProbstButte, MT
"Showed up when they said they would be there, filled our tank, and ensured our furnace was working before leaving. Very friendly, professional, and thorough."
Daniel NewellDillon, MT
"Bought a 500 gallon propane tank for a generator. Service was great and easy to deal with, they hooked ip the generator and filled the tank for me. A great local business with great people."
Turner Ranch PropertiesDillon, MT
"Staff at local office are always cordial, helpful, and professional. Delivery driver observed safety precautions, completed delivery quickly and helpfully. Couldn't ask for better service."
Fred BrewerButte, MT

Did you know?

you can now pay over the phone

Did you know? You can now pay over the phone. Paying your propane bill is easier than ever. Just call, enter your credit card, and you’re done – fast and secure! Call now to pay.

Call 866-427-2PAY

We're committed

to being your provider of choice.

PSI Propane is a family focused business, providing customers with peace of mind since 1994.

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