SEF Energy is a private holding company with a portfolio of U.S.-based oilfield manufacturing and service assets. We’re in the business of delivering returns through methodical capital allocation, asset management and leadership. Our strong financial backing, conservative investment strategies and hands-on approach provide stability and durable, long-term growth for our subsidiary companies. We are headquartered in Oklahoma City, OK and are proud to serve market-leading E&P companies in the major producing basins and unconventional shale plays across the United States.

Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning and the implementation of drilling and completion programs with constant communication between our management, our customers and our consultants. We are able to oversee operations in a cost effective and safe manner. We provide our clients with experience in the following categories: Well Planning for Drilling, Completion, Production and Workovers In House Engineering Personnel Preparation and Cost Analysis Post Well Reviews State and Federal Regulatory Compliance and Testimony SPCC Plans HSE (Health Safety and Environmental) EMT (Emergency Management Team) Deep High Pressure Drilling, Completion and Production Underbalanced Drilling Horizontal and High Angle Drilling Air, Gas, and Foam Drilling and Completions Coiled Tubing Applications Stimulation including Acidizing and Fracturing For more information or to become part of our team of consultants, please visit our website at www.plasterandwald.com.

Oklahoma City based energy company engaged in the acquisition and development of oil and natural gas resources in East Central Oklahoma.

Dudley Land Company is a full-service land company comprised of 5 local, regional offices capable of delivering service that yields consistent and significant results. Each regional office is staffed with certified and experienced professionals that know their regions inside and out. At their disposal, every manager has the most powerful technology in the industry, designed and developed to meet the specific needs of each client. Dudley Land Company is constantly moving ahead with the development of new technology to ensure our clients receive the best results for each dollar they spend on land services. In business since 1980, Dudley Land Company is headquartered in Oklahoma City and maintains regional offices in Houston, Denver, Pittsburgh, and Midland. Combine state-of-the art technology with local, experienced professionals capable of providing well-planned and organized prospect management, and you have the necessary ingredients for land service that is second to none.

MidCentral is an asset performance management company committed to driving efficiency in the energy industry. Through on-the-spot customer service, customer-owned asset management, and data transparency, MidCentral’s customers realize maximum returns. For over a decade, MidCentral’s emphasis on technology and innovation has allowed their customers to safely optimize resources. From drilling and completion services to manufacturing and remanufacturing, MidCentral's scalable solutions reduce costs and shorten production timelines. MidCentral has been headquartered in Oklahoma since 2010 and has field offices in Colorado, Oklahoma, Pennsylvania, and Texas. Learn more about how MidCentral is revolutionizing the energy industry at MidCentralEnergy.com.

Bio Tech, Inc. leads the industry in the use of beneficial microorganisms to improve the performance of oil and gas producing wells, SWD's, surface facilities, and waterfloods. With over 30 years in business and locations across the southeast and southwest U.S., our clients range from Independent producers to major E&P corporations that utilize Bio Tech's economical and cutting edge technology to solve their oil and gas problems. Our advanced solutions are a cost-effective and environmentally safe alternative to conventional chemicals.

Accounting, Accounts Receivable, and Field Operation Liaison for accounts operating in the Williston Basin.

We are a full-service land brokerage firm that has delivered exemplary on-shore land services to a wide-ranging clientele base for over forty years. Bearcat continues to be a leading provider of land services with a foundation built upon a team of experienced and highly motivated land managers led by a seasoned management staff, well established to meet the challenges of today's complex energy landscape. Over the past 40 years, we have withstood many storms in the energy industry, resulting in the ability to move quickly and accurately for our clients on new opportunities. Our primary goal is client satisfaction, which has led us to tailor our services to meet the specific needs of our individual clients with flexible solutions

Since 1948, Nichols Energy Services has been providing broad and comprehensive land and related services to all segments of the Energy Industry. Our dedicated team has the knowledge and experience to effectively and efficiently analyze, implement, manage, and complete routine and specialized projects. Highest ethical standards, integrity, and loyalty--to each other and our clients--are the foundation of our business upon which we continue to build lasting relationships with our clients. We deliver high quality results with utmost attention to client needs and concerns.

Headquartered in Oklahoma City with field locations in Blaine, Canadian, Kingfisher counties and other locations in western Oklahoma, Backyard Energy Services is an environmental oilfield service company that provides innovative, turnkey solutions for the remediation, reclamation and re-use of solid and fluid waste materials for oil and gas producers operating in the Mid-Continent. Decades of experience enable us to work closely with our customers to understand their specific needs, develop comprehensive environmental service and waste management plans that adhere to all best practices, and safely deploy our equipment to complement operations. Our proprietary, state-of-the-art equipment is newly fabricated and properly maintained to meet our customers’ needs on time and on budget. Reliable, safe and responsible service is our hallmark. Please ask us how our innovative oilfield service solutions can complement your exploration and production program.