1875 to its merger with Phillips Petroleum in 2002. Although the Conoco brand can be used in any state in which the Phillips 66 Company operates, it is very rare to see the Conoco brand in California and Oregon where the 76 brand predominates. Bibliography References External links Official website The Conoco-Somalia Declassification Project at College of DuPage Defunct oil companies of the United States ConocoPhillips Automotive fuel retailers Gas stations in the United States Chemical companies of the United States Non-renewable resource companies established in 1875 Companies disestablished in 2002 1875 establishments in Utah Territory 2002 disestablishments in Texas Companies based in Ogden, Utah Companies based in Houston Defunct companies based in Oklahoma Defunct companies based in Texas Defunct companies based in Utah Kay County, Oklahoma Phillips 66