Share the gift of credit union membership with your family! Your spouse, children, step-children, parents, siblings, step-parents and step-siblings are all eligible for membership as well! In addition, your household members, grandparents, and grandchildren can join Energy One.

Energy One offers Membership to employees of the following companies, though some geographic limitations apply. Please check with the credit union for verification:
Adams Creek Rental Property
American Electric Power
Apache Corporation
Avis Rent A Car
AXH Air Coolers
Beta Oil & Gas
Bill Baldwin Landscapes
BMI Systems
C and L Service Corporation
Carlisle Coatings & Waterproofing
Carlson Wagonlit/Spears Travel
Carson's Catering and Food Concepts
Castle & Cooke California, Inc.
Cellular Concepts
Cendant
Chesapeake Energy Corporation
Christian Interests
CITGO Petroleum Corporation
CityPlex Catering by Sodexho
Cobb County Sheriff's Department
Columbian Chemicals
Component Sales of America
Compressor Sales
Dayco Products, LLC
DCP Midstream
Deli Two
DIRECTV, Inc.
Drummond, Raymond, and Hinds
Durez Corporation
Dynegy
Elk Camp Energy and Elk Camp 2
eMONARCH
ENGlobal Engineering, Inc
Enplas USA
Explorer Pipeline
Geotrace Technologies
GK Consulting
Guardian Security/Central Security Group
Heart, Mind and Soul Psychotherapy
Howard M. Mintz, MD
International Association of Administrative Professionals
JKL Architectural
Junior Achievement of Greater Tulsa
Koch Materials Company
Koll Management Company
LaserWorks, Inc.
Linde BOC Process Plants
LS Power
MC Enterprises
McQueen, Rains & Tresch
Medicorp, PA
Morris-Griffin Corporation
National Data Corporation
North Dallas Advanced Toastmasters
NuStar Asphalt Refining
NuStar GP
Occidental Petroleum Corporation
OCI Chemical Corporation
Oklahoma Surgical Hospital
Owen Mumford
Paragon Films
PDVSA Services, Inc.
Quest Elevator, Inc.
Questar Exploration
Ram Energy
RAMCO Oil & Gas
RK Squared
Savage, O'Donnell, Affeldt, Weintraub & Johnson, Attorneys at Law
SemGroup, L.P.
Slim Haney Machining
Spears Travel
Sulphur River Energy, LP
Susan G. Komen for the Cure
Talk of the Town Toastmasters
Targa Resources
Terra Nova Properties
The Resource Group
The Trust Company of Oklahoma
Trinity Commercial Property
Utica Capital Management
Vintage Production
Williams Companies
Zenergy

Also eligible for membership are:
Employees who work in the One Ten Building in Tulsa, Oklahoma
Employees who work in the Merit Corporate Park in Tulsa, Oklahoma
Employees who work in the Occidental Tower in Dallas, Texas
Members of Talk of the Town Toastmasters who meet in the Occidental Tower in Dallas, Texas
Members of the North Dallas Advanced Toastmasters who meet in the Occidental Tower in Dallas, Texas
Members of the International Association of Administrative Professionals, Houston Downtown Chapter
Spouses of persons who died while within the field of membership