Fuel up the easy way!
03 / 15 / 25
Did you know you can order fuel online from Knapp Oil? 
We work with businesses big and small to secure the best prices and deliver directly to you—whether it’s bulk fuel, oil, lube, or DEF. Stay stocked and save money with a fuel partner that understands your needs. 
Order today! #KnappOil#FuelDelivered#OrderOnline 
We work with businesses big and small to secure the best prices and deliver directly to you—whether it’s bulk fuel, oil, lube, or DEF. Stay stocked and save money with a fuel partner that understands your needs. Order today! #KnappOil#FuelDelivered#OrderOnline 
Powering your home, fueling Southern IL.
03 / 11 / 25
At Knapp Oil, we’re committed to providing reliable propane and fuel services with fair pricing and no gimmicks. Keeping your home warm and your business running—that’s the Knapp way.
Residential Propane Service
03 / 07 / 25
When you request propane service with Knapp Oil, your price is locked in — no surprises, just reliable service you can trust.
Residential Propane Service
03 / 03 / 25
Fueling Southern Illinois with trust, reliability, and hometown service since 1933. 
Choose Knapp Oil — where quality service never goes out of style.
better propane service
02 / 27 / 25
No gimmicks, just dependable fuel and personalized service. Knapp Oil has you covered!
See what our customers think about our services.