We were with PennMar oil for years and were very pleased with the service we received. The transition to Tevis went smoothly. The only complaint I have is that, I am on the budget plan and still seem to end up with a large balance at the end of the year. That is with me readjusting and paying more than they require. I know they have no control over oil prices but it is had to have to come up with an extra $400-500 at the end of the year. I do like that I never have to worry about running out of oil, they deliver automatically.