(707) 782-0607
926 Lakeville St, Petaluma, CA 94952

Meeting the Propane Needs of the North Bay For Over 60 Years.

What Can Propane Do For You?

For Your Home

Your home is your sanctuary. Make sure it’s always running efficiently with clean burning, reliable propane.


For Your Business

Your business thrives when it knows the job will always get done. With propane, you can save money, and have a peace of mind.


The Associated Advantage

Since 1932, Associated Propane has served customers in the California North Bay area. As the largest supplier in the area, we offer the overall best value in propane service available. 

A Part of a Bigger Family

Associated Propane is proud to be apart of the ThompsonGas family. With the support of a nationwide company that has over 100 locations, you get better support and service.

Online Payment Portal

There are so many benefits to our online account services. It’s easy, secure and convenient. You can access your account anytime from anywhere. No more late payments, writing checks or lost checks.

24/7 Emergency Delivery

Associated offers several delivery options that fit all your propane needs for your home and business, and we are always willing to help you find an option that’s perfect for you.

Dedicated to a green future through clean energy.

In 2020, ThompsonGas and its family of companies began the Green Gas Intiative with the goal of educating communities on the importance of using clean energies.

Don’t just take our word for it!

“We transferred to this company about 2 years ago. They were great help in the scheduling the transfers of all our tanks and regulators. They made the transition go very smoothly and were always there for any questions we might have had. The prices that they were able to get us were lower than all the competitors. Customer service is outstanding. And we have never ran out of propane. We highly recommend them for any size company. ” – Scott K.

“We appreciate Associated Propane Company’s commitment to their customers. The great service especially in busy times keeps our business running smoothly, and the drivers are always courteous and professional. We have enjoyed doing business with them for the past 5 years and look forward to continue working with them.” – Healdsburg Wine Production Company