Perkins Oil Company is one of the largest distributors of Shell, Pennzoil, Quaker State, and Citgo products in the United States. Perkins Oil Company currently distributes Shell, Pennzoil, Quaker State, ConocoPhillips, 76, Kendall, Cenex, Citgo, Lubriplate, and Service Pro products along with numerous other product offerings. We specialize in providing you quality petroleum products.