Sentinel Transportation, LLC Email Format

Truck TransportationDelaware, United States201-500 Employees

Sentinel Transportation, LLC is a mid-sized provider of truck transportation services focused on tanker logistics. The company is based in Wilmington, Delaware, and traces its origins to 1996, when it began as a private tank fleet serving Conoco and DuPont. Today, as a wholly owned subsidiary of Phillips 66, it handles some of the most demanding tanker loads. Its fleet transports crude oil, fuels, petroleum coke, lube oil, and related products, highlighting its focus on high-value liquid commodities.

The company serves energy and petrochemical customers that require safe, high-quality transport of sensitive liquids, emphasizing safety and reliability. In March 2026, Sentinel announced staff reductions at its California facilities in Modesto and Newman, reflecting an operational adjustment.

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