Greg’s Petroleum Service is dedicated to providing high quality fuel at a competitive price. We pride ourselves on being a leading fuel provider, supplying an extensive selection of quality petroleum-based products to suit your needs. We’re ready to deliver whenever you need us with our modern fleet of trucks that enables safe and efficient service throughout the San Joaquin Valley and surrounding areas.

Chevron Branded Fuels

Unbeatable cleaning power and unbeatable gas mileage. That’s two unbeatables and one smart decision. No other gasoline performs like Chevron.

87, 89 and 91 Octane Unleaded Gasoline

Regular, mid-grade and premium gasoline to meet the needs of customers in all industries.

Clear & Red-Dyed Diesel

Offers various types of on road and off-road diesel fuel, including Ultra-Low Sulfur Diesel (ULSD) and winterized diesel.

Bio-Diesel (B99 & B20)

We are committed to helping our community become a healthier place to live by providing cleaner burning alternative fuels.

Renewable Diesel

Quickly becoming more common, this newer alternative fuel reduces emissions, delivers strong performance and has up to 85% less sulfur than ultra-low sulfur diesel (ULSD).

Wholesale Bulk Fuel Delivery

No delivery too big or too small. We can deliver regular, mid-grade and premium gasoline as well as red and clear diesel in full transport and tank wagon quantities.