Corporate Headquarters

10889 Wilshire Boulevard
Los Angeles, California
90024-4201
(310) 208-8800

Investor Relations

1230 Avenues of the Americas
New York, New York 10020-1508
(212) 603-8111

Government Relations

1717 Pennsylvania Avenue, NW
Washington, D.C. 20006-4614
(202) 857-3000

Oil and Gas

Occidental Oil and Gas Corporation
5 Greenway Plaza
Houston, Texas 77046-0506
P.O. Box 27570
Houston, Texas 77227-7570
(713) 215-7000

Occidental Energy Marketing, Inc.
5 Greenway Plaza
Houston, Texas 77046-0506
P.O. Box 27570
Houston, Texas 77227-7570
(713) 215-7000

Chemicals

Occidental Chemical Corporation
Occidental Tower
5005 LBJ Freeway
Dallas, Texas 75244-6119

P.O. Box 809050
Dallas, Texas 75380-9050

Main Office - (972) 404-3800
Customer Service - (800) 752-5151

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