What Warren Oil Company makes

Warren Oil Company is an independent blender and packager of lubricants, greases, and automotive chemicals, based in Dunn, North Carolina and running five plants across five states. The company blends and packages passenger car motor oil, heavy-duty engine oil, agricultural and industrial oils, driveline and gear oils, outdoor and marine fluids, automotive additives and chemicals, and a full grease line. Package sizes run from 3 ounce grease tubes to 400 gallon totes of gear oil, which lets the company serve both retail shelf programs and bulk industrial accounts from the same operation.

Much of the volume ships under Warren's own trademarks rather than a single house brand. Named lines include Warren, Lubriguard, Autoguard, Itasca, Coastal, LubriGold, and Saxon, with Lubriguard positioned for commercial and industrial equipment (Class 8 trucks, off-road vehicles, generators, and pumps) and Coastal covering powersports and marine. Alongside its own brands, Warren runs a private-label and contract manufacturing business, blending and packaging finished lubricants for distributors and retail partners. It sells into automotive, commercial and industrial, agricultural, and outdoor and marine markets, and participates in the main lubricant standards bodies, including the American Petroleum Institute and the International Lubricants Standardization and Approval Committee, that set the specifications those products have to meet.

For buyers, the useful way to read Warren is as a formulate-blend-fill operation with national reach rather than a base-oil refiner. That places it a step downstream of the majors and a step upstream of the distributor, the tier of the lubricant supply chain that turns base stocks and additive packages into shelf-ready product.

Scale and footprint

Warren's five manufacturing and packaging facilities sit in North Carolina, Alabama, Arkansas, Illinois, Pennsylvania, and Texas, a spread the company describes as covering the Northeast, Southeast, Southwest, Midwest, and West coast. Together the plants total roughly 1,000,000 square feet of manufacturing, with 438 storage tanks and more than 21,000,000 gallons of storage capacity. The company employs nearly 400 people and states that it exports to more than 20 countries, with the employment page citing 50-plus export markets.

That physical footprint is the company's main competitive asset. Storage on that scale lets a blender hold large positions in base oils and additives, and multiple plants let it fill orders from whichever site is closest to the customer, which is how Warren frames its own emphasis on on-time and in-full delivery. Several of the current sites came from acquisitions between 1991 and 2003, when Warren added blending and packaging plants in San Antonio, West Memphis, Marion, Johnstown, and Benton, including two plants it bought from Shell in 2003.

Ownership and history

W. Irvin Warren founded the company in Dunn, North Carolina in 1976, starting with two employees. It grew through the 1990s and early 2000s by buying regional blending and packaging plants, building the five-state footprint it runs today.

In 2016, Trail Creek Investments, a Raleigh, North Carolina private investment firm, acquired the company, which was reorganized as Warren Oil Company, LLC that September. Per contemporaneous industry coverage from JobbersWorld, the founder remained an investor and director at the time of the deal, and a 23-year lubricants-industry veteran was named president and chief executive. Warren does not publish a current leadership roster on its site, so this profile does not name current executives; the company markets itself today as a 50-year-old, nationally recognized independent lubricant manufacturer. Because it is privately held, Warren does not publish revenue, and this profile does not carry a modeled figure.

Sourcing evidence

Warren's US sea-import record is small and specific, which is what you would expect from a domestic blender rather than an importer of finished goods. ImportYeti records 18 US ocean shipments between October 2021 and July 2026, most of them a single recurring lane: lithium hydroxide monohydrate and molybdenum disulfide from the United Kingdom, the thickener and solid-lubricant feedstock that go into grease. The most recent shipment on record landed July 30, 2026.

Five shown of eight-plus recorded entities.

By origin, the record leans heavily on Europe: the United Kingdom (13 shipments), India (3), Italy (1), and the Netherlands (1). The goods themselves separate into two buckets, grease feedstock (lithium hydroxide under HS 2825.20 and prepared additives under 3811.21) and plant equipment (a grease kettle and a packaging line). Both patterns describe inputs to a manufacturing operation, not resale inventory. Customs-derived estimates put cumulative ocean-shipping spend at roughly $14,000 across the window, an order-of-magnitude figure rather than an audited one.

The small sea-import number is not a sign of a small company. It tells you the opposite: Warren's base oils and additive packages are largely sourced within North America and never cross an ocean, so its main supply relationships do not appear here. The imports that do appear are the niche specialty inputs, grease thickeners and a handful of machines, that are cheaper or only available to buy overseas. Buyers weighing nearshoring or tariff exposure should read Warren as a domestically supplied blender with a thin, contained foreign-input tail.

Coverage caveats: these are US ocean-freight records only. Truck, rail, and air movements, including domestic base-oil and additive deliveries, do not appear; some records name freight intermediaries rather than manufacturers; and product categories come from declared manifest codes, which are noisy. Absence of a record is not evidence of absence.

Frequently asked questions

What does Warren Oil Company make?

Warren Oil Company blends and packages lubricants, greases, and automotive chemicals. Its range covers passenger car motor oil, heavy-duty engine oil, agricultural and industrial oils, driveline and gear oils, outdoor and marine fluids, additives, and greases, in sizes from 3 ounce tubes to 400 gallon totes. It sells under its own brands, including Warren, Lubriguard, Autoguard, Itasca, and Coastal, and also does private-label and contract manufacturing.

Who owns Warren Oil Company?

Warren Oil Company has been owned by Trail Creek Investments, a Raleigh, North Carolina private investment firm, since 2016. The company was founded by W. Irvin Warren in 1976 and was reorganized as Warren Oil Company, LLC after the acquisition. It is privately held and does not publish financial results.

Where is Warren Oil Company located?

Warren Oil Company is headquartered in Dunn, North Carolina. It operates five manufacturing and packaging plants across North Carolina, Alabama, Arkansas, Illinois, Pennsylvania, and Texas, totaling roughly one million square feet of manufacturing with more than 21 million gallons of storage capacity.

How many employees does Warren Oil Company have?

Warren Oil Company employs nearly 400 people, per its own published figures. That headcount runs across its five plants and its corporate office in Dunn, North Carolina. The company does not publish a precise workforce number, and modeled estimates from data brokers should be treated as guesses.

What brands does Warren Oil Company produce?

Warren Oil Company produces lubricants and greases under proprietary trademarks including Warren, Lubriguard, Autoguard, Itasca, Coastal, LubriGold, and Saxon. Lubriguard is aimed at commercial and heavy-duty equipment; Coastal covers powersports and marine. The company also packages products under private-label programs for distributors and retailers.

Is Warren Oil Company still in business?

Yes. Warren Oil Company marked its 50th anniversary in 2026 and remains an active, privately held independent lubricant blender and packager. Its most recent recorded US import shipment landed in July 2026, and it continues to operate all five of its plants.

Last verified September 28, 2026. Is this your company? Request a correction.