Our Mission

API’s mission is to influence public policy in support of a strong, viable U.S. oil and natural gas industry essential to meet the energy needs of consumers in an efficient, environmentally responsible manner.
As the U.S. oil and natural gas industry’s primary trade association, API:

  • Engages in federal and state legislative and regulatory advocacy that is based on scientific research; technical legal and economic analysis; and public issues communication.
  • Provides and industry forum to develop consensus policies and collective action on issues impacting its members.
  • Works collaboratively with all industry oil and gas associations, and other organizations, to enhance industry unity and effectiveness in its advocacy.

API also provides the opportunity for standards development, technical cooperation and other activities to improve the industry’s competitiveness through sponsorship of self-supporting programs.

If you would like to become a member of the American Petroleum Institute, please complete the online application below. You may also download a PDF of the API-2023-2024-Membership-Application and mail it to the address below.

American Petroleum Institute
P.O. Box 261
Casper, WY 82602-0261


Mesa Natural Gas Solutions
5151 Reserve Drive
Evansville, WY 82636
Cell: (307) 259-5852


True Oil
455 North Poplar
Casper, WY 82601
Cell: (307) 262-9182

Hilltop National Bank
P.O. Box 2680
Casper, WY 82602
Ph: (307) 265-2740
Cell: (307) 262-8315

Board Members

Altitude Energy Partners
7197 W Derick Drive
Casper, WY 826014
Cell: (970) 948-0782

Summit ESP
632 S. David
Casper, WY 82601
Cell: (307) 258-5213

KLX Energy Services
1990 Talc Road
Casper, WY 82604
Ph: (307) 261-8200
Cell: (307) 259-2651

Global Specialized Services
Cell: (307) 259 1122

Compression Leasing Services
1935 North Loop Ave
Casper, WY 82601
Ph: (307) 265-3242
Cell: (307) 259-5031

Allen & Crouch Petroleum Engineers
646 River Cross Road
Casper, WY 82601
Cell: (307) 251-9999