Suppliers in API Group III

UniSource Energy, Inc. is a world-wide marketer of Specialty Petroleum Products. Most of our marketing organization has had over 25+ years of experience working for major oil companies in areas ranging from technical sales to refining and production. The primary objective of UEI is to define the optimal needs of our customers, make the necessary recommendations, and supply them with quality petroleum products from a variety of domestic and international refinery sources. Our Petroleum Specialties Group works together with our refinery supply sources to find and formulate products that meet our customers' specific needs. With agreements and/or contracts with a wide cross-section of petroleum refiners and producers, UniSource Energy is well equipped to offer the highest quality and best value in specialty petroleum products. UniSource is also a manufacturer of high quality transformer oils.

As a leading independent producer of the highest quality specialty hydrocarbon products and fuel products in North America, Calumet Specialty Products Partners, L.P. (NASDAQ: CLMT) proudly delivers the resources necessary to make some of the worlds best and most trusted products.

We contribute to the competitiveness of our clients by facilitating timely access to quality products with an environmental sense.

S-OIL settled as lube base oil maker with international competition leading in the local market. Ever since its foundation in 1976 as the first lube base oil refinery in South Korea, S-OIL Corporation set a milestone in South Korean base oil market which entirely depended on import and has been a leading supplier of lube base oil in South Korea as well as global market. S-OIL has 44,700 barrels per day of production capacity with #1 LBO Plant (aramcoDURA / aramcoPRIMA) and #2 LBO Plant (aramcoULTRA). S-OIL is the only company which has full line-up of Group Ⅰ/Ⅱ/Ⅲ base oil products in South Korea and is positioned as one of the world class manufacturers supplying high quality base oils to global market not only Asia but also EU and North America.

For more than 30 years, Petro-Canada Lubricants has researched, developed and produced 350+ world-class lubricants, specialty fluids and greases. We create solutions that deliver benefits beyond equipment performance through operational efficiencies that reward our customers’ bottom line. Our innovative products deliver efficiencies, such as extended drains and reduced energy consumption that benefit your business and the environment.