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 Additionally, Aaon is actively modernizing lighting solutions by replacing outdated incandescent and fluorescent fixtures with energy-efficient LED lighting.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, established in 2012 and headquartered in Houston, Texas, is an oil and gas exploration and production company. It specializes in drilling and developing opportunities within the Williston Basin, specifically targeting the prolific Bakken Shale play in Montana and North Dakota.

CoBiz Financial, a bank holding company based in Denver, Colorado, operates Colorado Business Bank, N.A., a full-service commercial banking institution with five branches in the Denver metropolitan area. With a focus on providing banking services to businesses, CoBiz Financial offers a range of financial products and services to support the financial needs of its commercial clients. Headquartered in Denver, the company serves the local community with a network of branches strategically located throughout the metropolitan area. By offering personalized service and tailored financial solutions, CoBiz Financial aims to help businesses thrive and grow in the competitive marketplace.

DME Express is a provider of durable medical equipment, established over ten years ago with a focus on serving hospices and nursing facilities. With a management team that boasts over 100 years of combined experience in the healthcare sector, the company understands the specific needs of these facilities. DME Express offers a wide range of medical equipment, including bed frames, bathroom safety products, mattresses, oxygen and respiratory devices, wheelchairs, and patient lifts. Committed to delivering high-quality equipment, the company also emphasizes exceptional customer service and proprietary technology, ensuring that it is always available to meet the needs of its patients. Over the years, DME Express has become a trusted provider in its service areas, recognized for its dedication to quality and affordability.

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 company 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 firm manages a range of accounts, including those for individuals, pension and profit-sharing plans, charitable organizations, institutional investors, and corporations. The Milestone Group focuses on managing separate client-focused equity and fixed income portfolios, investing primarily in the public equity and fixed income markets of the United States.