Supporting Flagstaff Businesses Since 1976

Our catalog of premium fuel products is formulated to improve the efficiency and output of your equipment to drive growth. 

• Bulk Fuel Delivery Service: With our top-quality petroleum products, you can count on your fleet and machines to run reliably. Our product lineup includes Gasoline, On-Road & Off-Road Diesel, K-1 Kerosene, Unleaded 87E-10 Gasoline, Unleaded 89E-10 Gasoline, Unleaded REC-91E-10 Gasoline, Racing Gasoline, Aviation Fuels, Jet-A, Methanol, Winterized Fuels, VP Racing Fuels, Ethanol free Unleaded 87 and more. We provide reliable fuel services using transport trucks for large deliveries and tank wagons to access even the most hard-to-reach sites within Flagstaff and surrounding areas, meeting the needs of businesses across the region.

• • Wholesale Bulk Fuel Delivery: Serving industries from Agriculture, Aviation, Construction, Industrial Generators, Locomotive to On-Highway Fleets, Mining, Municipalities, and Racing, we provide tailored fuel delivery solutions across Flagstaff’s diverse landscape. 
  • Retail Bulk Fuel Delivery (C-Store): We supply local convenience stores and gas stations, ensuring they have the fuel they need to meet customer demand without stoppages. 

• National Fuel Network: Stay fueled and ready with our comprehensive fuel card program, providing access to fuel and DEF across the nation. Wherever the road takes you, our program ensures hassle-free refueling, offering the reliability and convenience your business demands. Learn more about National Fuel Network.
• Job Site Fueling: We fuel your equipment directly from our trucks, so you don’t have to worry about storage. Our efficient on-site fueling solutions deliver high-quality fuel on demand, allowing your operations to continue without delays or added complexity.
• Fuel Additives: Maximize fuel economy and engine power with our comprehensive range of Fuel Additives. Our offerings include Diesel Fuel Additives for Summer and Winter, Diesel Fuel Treatments, Gasoline Additives and Treatments, Stabilizers, Fuel Injector Cleaners, Octane Boosters, Tank Maintenance Additives for water removal, and contamination prevention, alongside professional fuel testing services.

We’re a trusted provider of premium lubricants for the automotive, commercial (on and off-highway), and industrial sectors. Our products deliver exceptional equipment protection and ensure maximum performance.

• Mobil™: For over four decades, we’ve been authorized distributors of Mobil™ lubricants, known for efficiency and reliability across industries. We bring the same trust and quality of service to your business. 

• Ridgeline™:  As providers of Parkland’s proprietary Ridgeline™ lubricants, greases, DEF, and antifreeze, we offer advanced solutions designed to exceed performance expectations. 

Our products feature Motor Oils for passenger cars and Heavy-Duty vehicles, alongside Industrial Oils and Fluids. We also provide Automatic Transmission Fluids, Hydraulic Oils, Natural Gas Engine Oils, and additional specialized products, all backed by trusted brands like Mobil™ and Ridgeline™.

Flagstaff businesses requiring peak equipment performance can count on our Mobil™ and Ridgeline™ synthetic lubricants. These products are engineered for extreme conditions, delivering superior durability, reducing wear, improving operational efficiency, and extending maintenance intervals. Perfect for Flagstaff’s industrial and agricultural environments, they ensure reliable performance and optimum productivity.

To support emissions control and environmental compliance, we supply API-certified DEF, including Ridgeline DEF. Our DEF minimizes NOx emissions and is fully compatible with diesel Selective Catalytic Reduction (SCR) systems. It’s available across our network, and packaging options include 2.5-gallon boxes, 55-gallon drums, 275- and 330-gallon totes. We also offer bulk transport, ensuring flexibility for Flagstaff’s businesses. Contact our Flagstaff team to order or learn more.

Protect your engines from freezing and corrosion with our extensive antifreeze range. Products include Ridgeline, Mobil, Fleet Charge, PEAK–Advance, Global ELC, Final Charge ELC, and RV/Marine antifreeze. Available throughout Flagstaff, our antifreeze solutions offer consistent protection, keeping your operations running smoothly in all weather conditions.

Our fleet fueling services in Flagstaff provide businesses with reliable and efficient fuel management solutions. Our on-site fueling service minimizes downtime by filling bulk tanks or directly fueling your vehicles and equipment. Use our cardlock sites for competitive prices and reduced convenience store costs. With our National Fuel Network Fleet Card program, you get nationwide access to fueling stations and over-the-road discounts, helping you control fuel expenses whether operating locally in Flagstaff or across state lines.

Flagstaff businesses can meet their bulk fuel and lubricant needs without substantial initial investments through Rhinehart Oil’s Equipment Loan Program. Offering flexible rental and purchase options, we supply the necessary infrastructure for smooth operations, so you can focus on important things like growing your business.

With Rhinehart Oil’s Otodata-enabled tank monitoring, businesses benefit from 24/7 digital inventory oversight. Real-time data and continuous monitoring by our operations team ensure your supplies and inventory are managed effectively, eliminating unexpected shortages and disruptions to your business.

Rhinehart Oil’s fluids analysis services help businesses prevent expensive repairs and maintain optimal equipment performance. Our bespoke testing programs provide actionable insights, enabling you to address issues early and extend the lifespan of your machinery.

Flagstaff industries rely on Rhinehart Oil’s wide selection of specialty products, including washer fluid, propane, winterized fuel, white oil, and spray oil. Whatever your operational needs, our products are designed to meet the demands of this diverse and dynamic market.

Rhinehart Oil provides businesses with high-quality automotive specialty chemicals to maintain superior equipment and vehicle performance. Our products, such as TEG (Triethylene Glycol) and EGs (Ethylene Glycols), are indispensable for processes like dehydration and heat transfer, ensuring reliability in critical operations. Whether for industrial or commercial applications, our chemicals help you achieve operational excellence.

Flagstaff’s industries turn to Rhinehart Oil for an extensive selection of industrial specialty products and services. We offer Propylene and Ethylene Glycols, Methanol, RIDGELINE™ Washer Fluids, Drip Oil, Aircraft De-Icer, Kerosene, Solvents, TEG, and Racing Fuel. If you need a product not currently in our inventory, we’ll source it for you, making us your comprehensive partner for industrial supply needs.

Safeguard your high-risk equipment with our selection of industrial lubricants, including fire-resistant hydraulic fluids (FRHF). Our Mobil™ industrial lubricants are developed in partnership with leading equipment manufacturers and are formulated to extend lubrication intervals, protect equipment under harsh operating conditions, and ensure trouble-free operation across various environments. Whether you need mineral or synthetic oils, we have the right solution to keep your machinery running smoothly.