275,000 gallons of bulk capacity. 16 trucks. One family that answers when you call. Next-day delivery across the Southwest.
We supply top-tier fuels, lubricants, and equipment to keep your fleet running, your machinery operating, and your business moving.
We don't just deliver fuel and walk away. We partner with you to protect your assets and reduce your operational overhead.
Comprehensive lab testing of in-service oil to catch abnormal wear before it causes catastrophic equipment failure.
Explore Oil Analysis →We audit your current fuel spend, delivery logistics, and storage. Most customers find significant savings in the first 90 days.
Request an Audit →
Next-day delivery. Real people answering the phone. That's been our promise since 1947. We are independent, responsive, and not a corporate call center.
Work With UsNo corporate runaround. You get a dedicated account manager who knows your business.
Phoenix 275,000-gal tank farm, 100,000 sq ft warehouse. Tucson 50,000 sq ft warehouse.
16-truck fleet maintained in-house to guarantee we hit our delivery windows, every time.
We run a lean, agile operation that can respond to emergency fuel needs faster than anyone.

Founded in 1947, Pioneer Distributing Co. has outlasted corporate consolidation waves by out-working the competition. We've built this company on handshakes, early mornings, and a refusal to compromise on service.
Today, under President Tiffany Melia's leadership, we remain fiercely independent and proudly family-owned. We were here long before the big conglomerates showed up, and we'll be here long after.
Read our full storyAnswer five quick questions and we'll show you exactly which Pioneer services fit your operation — and what pricing to expect.
We'll tailor our recommendation to your industry.