Int. Petroleum - NASDAQ
Explores for, develops, produces, refines and markets oil and natural gas.
Explores for, develops, produces, gathers, processes and markets natural gas, crude oil and natural gas liquids.
BARRETT RESOURCES CORP
Explores for and produces oil and gas; Acquires interests in exploration and development programs operated by other companies; And owns and operates gas gathering system.
Beta Oil & Gas, Inc.
Explores, develops and produces natural gas and crude oil.
BURLINGTON RESOURCES INC
Holding company with subsidiaries which explore for, develop and produce oil and gas; Extract, fractionalize, transport and market natural gas liquids; Transport and sell oil and natural gas; And maintain interests in crude oil pipelines.
Holding company with subsidiaries which develop, transport, refine, market and explore for crude oil and natural gas worldwide; Extract, fractionalize and distribute natural gas liquids; Explore for and mine
Corp. - NASDAQ
Acquires, explores for, develops and operates oil and gas properties and related business activities.
Edge Petroleum Corporation
Explores for, develops and produces oil and natural gas.
Equity Oil Company
Explores for and produces crude oil and natural gas.
EXXON MOBIL CORP
Explores for, produces, sells and transports crude oil, natural gas and other petroleum products worldwide; Explores for, mines and sells coal and other minerals; Produces basic
Kestrel Energy, Inc.
Explores for and develops oil and natural gas properties; And acquires interests in oil and gas leases.
Develop. Corp. - NASDAQ
Develops, produces and markets natural gas; And constructs and operates natural gas pipelines.
PHILLIPS PETROLEUM CO
Explores for and produces crude oil, natural gas liquids and natural gas worldwide; Gathers and processes both natural gas produced by others, and natural gas from the company's own reserves; Refines, markets and transports crude oil and petroleum products.
Royal Dutch Petroleum
Holding company with subsidiaries which explore for, and produce crude oil and natural gas; Purchase, manufacture and market petrochemicals, selected fine chemicals and specialty chemicals, including base chemical and
SHELL TRANS & TRAD P L C
Holding company with subsidiaries which perform oil and gas operations; Operate refineries; Manufacture and market petrochemicals, including detergent alcohols and ethylene exides; Produce polymers, such as thermoplastics,
resins and synthetic rubbers.
Explores for, produces, transports, refines and markets crude oil, natural gas and petroleum products including petrochemicals worldwide; Owns and operates branded retail outlets which offer
gasoline and other petroleum products.
VALERO ENERGY CORP NEW
Owns and refines high-sulfur atmospheric resid oil and other refinery feedstocks into refined products, such as petrochemical feedstocks.