AAON, Inc.

Ginger & Roger Anderson

Arvest Foundation

Katherine Baltes

Candice Cheeseman & Mark Berman

David Blatt

Michael Blechner

Steve & Marla Bradshaw

John & Donnie Brock Foundation

Kenneth Brune

Celina Burkhart

Stephanie Cameron

Crowe & Dunlevy

Todd Cunningham

Karen Daniel

Anna Davies Pasha

Genni Davis

Sharon King Davis

Becky Dixon & Patrick Keegan

George & Phyllis Dotson

Adam Doverspike

Stanton Doyle

Heather Duncan

Beverlee Einsig

Shirley Elliott

Dwight Eskew

Robert Fleischman

Hope Forsyth

Sharna & Irvin Frank Family Foundation

Linda French

Henry Freudenrich

Ranan Gangel

George Kaiser Family Foundation

Annie Gilcrease Shurtleff

Tom & Debbie Grillot

Penny Haley

Hall Estill

Hardesty Family Foundation

Heller Family Fund

Peggy Helmerich

Anna Inhofe

Douglas & Katy Inhofe

Marilyn Inhofe-Tucker & Ralph Tucker

Anne Jones

Katie & Will Jones

Karen Keith & Pat Malloy

Lori Laub

Ken & Janet Levit

C.S. Lewis, III

Eric Lindberg

Susan Lindberg

Spencer Livingston Gainey

Rebecca Marks Jimerson

Frank Mulhern

FW Murphy Family Foundation

Mariann Myers

Dennis Neill

John & Julie Nickel

Jeri & Chuck Noble

Kathryn Offermann

Chad Oliverson

Katherine Piersall

Linda Ramsey

Jerry & Barbara Reeves

SemGroup Corp.

Trevor & Michelle Smith

Stacy Sprague

Barbara Sylvan

Melanie Tate

Kate Thomas

Robert & Jill Thomas

Wendy Thomas

Charlie & Rhoda Transue

Teresa Valero

Philip Viles

Jack Wallace

Sammye Walton

Paul Wheeler

Whiptail Midstream

Williams Companies

Carol Willis

Robert & Elizabeth Winchester

Thomas & Sally Wood Family Foundation

John Wooley

The Anne & Henry Zarrow Foundation