Interview with Harold Lewis, an executive at Caltex Petroleum Corporation. He discusses his educational background, his employment with Standard Oil of California, his early experiences in refinery construction, his transfer to Caltex, his assignment to Bahrain, refinery construction in Australia (Boral, Ampol), refinery construction in Japan, and the relationship between Caltex and Nippon Oil. He also talks about military fuel oil contracts, postwar refinery expansion, Caltex East, Caltex in Korea and the Philippines, executive transfers, the decision of Texaco and Socal to re-enter the European market in 1967, crude purchases, and OPEC.

Interview with Leslie A. Smith, an employee of Caltex from Southend-on-Sea, England. Smith discusses how he came to Caltex in 1937, his work as an accountant in Bahrain, the company's organization and its relations with the oil business there, living arrangements and social life, World War II, issues with Bahraini labor politics, his transfer to New York and work there, and Caltex's worldwide operations.

Interview with Frederick Dittus, an executive at Caltex Petroleum Corporation. He discusses his educational background, his early job experience with Standard Oil Company of California, the Dittus-Boelter equation, his pre-World War II experiences in Nazi Germany, construction of the Bahrain refinery for Bapco, the formation of Caltex in 1936, his transfer to Caltex, his activities during World War II, the postwar refinery expansion, and the evolution of the Technical Services Division.