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Sunoco buys gasoline and diesel from refiners and major oil companies, then sells and delivers it to fuel distributors, independently operated stations and commercial customers, mainly in the United States, Canada and the Greater Caribbean. Fuel sales provide the vast majority of revenue; earnings depend on volumes sold and the margin between purchase and selling prices. Many customers buy under long-term supply contracts with volume commitments. 7-Eleven is a significant customer, with a supply agreement that requires purchases sufficient to provide Sunoco a minimum annual gross profit.
Sunoco also earns fees for moving products through its pipelines and storing and handling them at terminals. These businesses make an important contribution to earnings and depend on customers renewing contracts and using the assets. Certain U.S. interstate pipelines face federal limits requiring reasonable, nondiscriminatory rates.
Its Burnaby Refinery turns crude oil into fuels sold mainly through Sunoco’s British Columbia retail network, to Vancouver International Airport and to commercial customers. Refinery earnings depend on feedstock costs relative to fuel prices, as well as Canadian emissions and fuel-carbon-intensity requirements and the associated compliance-credit market.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Sunoco’s fuel-distribution results also hinge on its long-term supply agreement with 7-Eleven, which accounted for 13% of total revenue in 2025.
SunocoCorp LLC gives investors exposure to Sunoco’s own business, not a rival: it holds Class D units generally economically equivalent to Sunoco common units one for one. The underlying business supplies fuel to dealers and commercial customers and earns revenue from pipelines and storage terminals.
Global Partners LP competes with Sunoco to sell branded and unbranded motor fuel to dealers and commercial customers; both also operate fuel terminals and convenience stores. Its gasoline distribution and station operations offer a comparison for Sunoco’s dealer and retail business.
Energy Transfer controls Sunoco’s general partner and receives Sunoco distributions, so its interests matter to Sunoco holders and may not always align with theirs. Both transport and store petroleum for customers; Energy Transfer’s crude-oil and refined-product pipeline and terminal activity is the relevant comparison, rather than its broader gas business.
ONEOK competes directly with Sunoco’s petroleum pipelines and terminals through its Refined Products and Crude business, earning fees for moving and storing products. Watch capacity additions in that business: ONEOK says new infrastructure can displace supply volumes served by existing assets.
Sunoco relies on Phillips 66 as one of its largest branded-fuel suppliers by volume, while Phillips 66 also sells gasoline and diesel through wholesale marketers and branded outlets. Its branded-fuel supply and marketing business therefore matters to Sunoco as both a source of fuel and a competing sales channel.
Plains All American Pipeline competes with Sunoco to transport and store crude oil for customers, including oil from the Permian Basin. Its crude-oil transportation and storage fees provide a closer comparison for Sunoco’s crude pipelines than its other activities.
Plains GP Holdings gives investors indirect ownership exposure to Plains All American’s crude-oil transportation and storage business, which competes with Sunoco’s pipelines; it has no separate operating assets. Its cash comes through distributions tied to Plains All American, so watch that underlying business’s customer transportation contracts and fee-based cash flow.
Marathon Petroleum competes with Sunoco for fuel sales to independent retailers, wholesale customers and dealers, and both operate petroleum distribution infrastructure. Marathon’s fuel volumes sold directly to end users, including branded stations, are more relevant to this overlap than its total refinery output.
Valero is both a major fuel supplier to Sunoco and a seller to the wholesalers, distributors and retailers Sunoco serves. Its sales of transportation fuels to those customer groups show the part of its business that supplies Sunoco while also competing for fuel orders.
Enterprise Products Partners competes with Sunoco in moving and storing crude oil and refined products for customers, but its gas and natural-gas-liquids operations are much broader. Focus on its crude-oil and refined-product pipeline and terminal business when comparing results with Sunoco’s transportation and storage fees.
Sunoco buys gasoline and distillates representing about one-third of PBF Energy’s Toledo refinery production, making that refinery a concrete supply dependency. Watch the agreement’s June 2027 expiry: it allows certain early termination rights and a mutually agreed one-year extension.
Sunoco depends on Chevron, one of its largest branded-fuel suppliers by volume, for Chevron and Texaco fuel that it resells to dealers and commercial customers. Chevron’s refining and fuel-supply news is the relevant part of its business for this relationship, rather than its oil-production results.
Sunoco relies on ExxonMobil as one of its largest branded motor-fuel suppliers by volume, buying products to resell through its dealer and commercial network. For this tie, watch ExxonMobil’s motor-fuel supply business rather than treating its oil, gas and chemicals results as a direct comparison with Sunoco.
EIA Crude Oil Stocks Change (Oct/16)
The EIA’s weekly stocks report tracks crude oil and gasoline held in storage; changes can shift the market-linked prices Sunoco pays for bulk fuel and the crude-feedstock cost behind its Burnaby Refinery’s product sales.
Read the stock change as a supply signal, then compare the price effects: falling stocks tend to tighten supply and lift oil and fuel prices, potentially raising Sunoco’s market-linked fuel costs and Burnaby’s crude costs; rising stocks tend to ease prices, with the refinery margin effect depending on how product prices move relative to crude.
Valero Energy Corporation earningsVLO
Valero’s report will show fuel sales to wholesalers, distributors and retailers; it supplies Sunoco while also competing for orders from the same customer groups.
Look at Valero’s transportation-fuel sales to wholesalers, distributors and retailers. Strong sales would suggest demand across these channels is holding up, supporting the market for Sunoco’s distribution network; weaker sales could point to softer demand or customers shifting suppliers, putting both resale demand and competition for orders in focus.
Oneok, Inc. earningsOKE
ONEOK’s report on refined-product and crude pipelines and terminals will show whether customers are using more transport and storage or new capacity is displacing volumes on existing assets.
Look at throughput and fee performance in ONEOK’s relevant pipeline and terminal business. Stronger volumes and fees would point to greater customer need for services Sunoco also sells; if new capacity grows while existing-asset volumes are displaced, Sunoco faces more pressure to keep its pipelines and terminals utilized.
Fed Interest Rate Decision
The Fed’s policy-rate decision signals the direction of borrowing costs, which can raise or lower Sunoco’s interest expense on variable-rate Credit Facility debt and the cash left for debt service and distributions.
Expected4.0%Last release4.0%
If it comes in above expectations
Higher rates can increase the interest Sunoco pays on variable-rate borrowings, leaving less operating cash for debt service and distributions.
If it comes in below expectations
Lower rates can reduce interest on variable-rate borrowings, leaving more operating cash for debt service and distributions.
SUNOCO L.P. earningsThis company
Sunoco earns from fuel distribution and pipeline and terminal fees; its report will show whether gains from the expanded business outweigh operating and interest costs.
Read segment profit for fuel distribution, pipelines and terminals alongside operating, general and administrative expenses and interest expense. Rising segment profit with costs contained would show the expanded asset base is adding earnings; weaker profit or faster-rising costs would show those gains are not covering the burden, leaving less cash available for distributions.
