BOK Financial Corporation

Vaquero Midstream, LLC specializes in designing, building, and operating midstream infrastructure for oil and gas producers. The company offers a comprehensive range of midstream services, including gathering, treating, processing, compression, liquids handling, and transmission. Vaquero Midstream is focused on developing opportunities in Central and Southern Oklahoma, West Texas, Southeast New Mexico, and East Texas. Based in The Woodlands, Texas, the company aims to create value for its clients by building quality assets and providing efficient service in the oil and gas sector.

Aaon is an industrial goods and services company that specializes in the manufacturing of heating, ventilation, and air conditioning equipment. Its product range includes rooftop units, chillers, packaged outdoor mechanical rooms, air-handling units, makeup air units, energy-recovery units, condensing units, geothermal heat pumps, and self-contained units and coils. The company focuses on delivering cost-effective and energy-efficient solutions, aiming to enhance productivity and environmental sustainability. Aaon's offerings primarily cater to the commercial and industrial sectors in North America, addressing both new construction and replacement markets. Additionally, Aaon is actively modernizing lighting solutions by replacing outdated incandescent and fluorescent fixtures with energy-efficient LED lighting.

Kolibri Global Energy Inc. is an energy company engaged in the exploration, development, production, and marketing of oil and gas. The company primarily focuses on crude oil, natural gas, and natural gas liquids, holding interests in approximately 17,391 net acres of shale oil acreage in the Caney/Upper Sycamore formations of the Tishomingo Field in Oklahoma. As of December 31, 2019, Kolibri reported total proved reserves of 33.4 million barrels of oil equivalent. Founded in 2008 and headquartered in Camarillo, California, the company seeks to acquire and develop new energy projects by leveraging its technical and operational expertise. While it operates primarily in the United States, it also has interests in Canada and other regions, emphasizing both traditional and sustainable energy initiatives.

Kraken Oil & Gas LLC is an exploration and production company based in Houston, Texas, specializing in the oil and gas sector. Established in 2012, the company concentrates on drilling and development opportunities in the Williston Basin, particularly within the Bakken Shale formation, which is known for its significant resource potential. By leveraging private equity backing, Kraken aims to capitalize on the abundant opportunities in this prolific region of Montana and North Dakota.

DME Express is a provider of durable medical equipment tailored for hospices and nursing facilities. Established over a decade ago, the company aims to offer high-quality equipment and service at competitive prices. With a management team that possesses over 100 years of combined experience in the hospice and nursing sectors, DME Express understands the specific needs of its clients. The company's product offerings include essential medical equipment such as bed frames, bathroom safety products, mattresses, oxygen and respiratory devices, wheelchairs, and patient lifts. DME Express has established itself as a trusted provider in its service areas, emphasizing availability, superior technology, and exceptional customer service to enhance patient care.

Mobank is a privately held company offers personal and commercial banking services.

MBM Advisors is a full-service investment firm specializing in retirement and pension plan services. As an SEC-registered investment adviser, the company offers a range of services including investment advisory, pension administration, and consulting. MBM Advisors focuses on the design, administration, and management of retirement plans, ensuring effective communication and support for clients' investment needs. Through its comprehensive approach, the firm aims to optimize the performance of retirement plans while adhering to regulatory standards.

GTRUST was founded in 1991 as an employee owned and operated organization specializing in trust and asset management services. Since the beginning, our premise has been straightforward – find the right investment solution for each client one by one.

The Milestone Group, Inc. is an employee-owned investment management firm based in Denver, Colorado, with additional offices in Dallas, Fort Worth, and Austin, Texas. Founded in 1996, the firm specializes in providing wealth management services primarily to high net worth individuals. Its offerings include stock option planning and analysis, charitable gift planning, education funding analysis, and employer benefit analysis and planning. The Milestone Group also manages investment accounts for a diverse clientele, including pension and profit-sharing plans, charitable organizations, institutional investors, and corporations. The firm focuses on creating customized equity and fixed income portfolios, investing primarily in the public markets of the United States.