Rich in Oklahoma heritage and a tradition of legal experience. Since the mid-1960s, Hall Estill has been delivering powerful results to its clients nationwide. A full-service business law firm, we have created a practice that taps the knowledge of skilled attorneys while maintaining focus on meeting clients’ needs. More than 150 Hall Estill legal professionals maintain close contact through offices in Tulsa, Oklahoma City, Denver, and Northwest Arkansas – helping clients handle their legal affairs in local, regional, national and international venues.

Since 1910, PennWell has embraced a mission of transforming diverse information into practical business intelligence for strategic markets worldwide. Whether you seek new knowledge - or new customers - PennWell delivers key resources and audiences for your business success in today's global market. PennWell was a pioneer in the emerging oil industry with Oil & Gas Journal magazine, founded in 1902. Today PennWell publishes 45 business-to-business magazines, 100+ newsletters, conducts over 60 conferences and exhibitions on six continents, and has an extensive offering of books, maps, directories and database services. PennWell operates in a variety of industries including: Oil and Natural Gas, Electric Power, Renewable Energy,Water and Waste, Electronics and Semiconductors, Firefighting / EMS, Dental, Lasers / Optoelectronics, and more.

InterWorks is a people-focused tech consultancy delivering premier service and expertise in collaboration with strategic partners. We are trusted to empower clients with the right people and solutions aligned to their unique needs. From data management and visualization to server monitoring and maintenance, we can customize the best data and IT solutions for you.

fantastic people. cool projects. fun culture. | Founded in 1981, Wallace Design Collective provides civil engineering, structural engineering, landscape architecture, land planning, surveying, IBC-mandated special inspections and roof consulting. With offices in Atlanta, Denver, Kansas City, Nashville, Northwest Arkansas, Oklahoma City and Tulsa, our staff of 35 principals and over 250 people represent personnel with professional registrations in all 50 states, District of Columbia, Puerto Rico and U.S. Virgin Islands. Our core purpose is to make lives better. That speaks to the core of who we are and is part and parcel of our ethos. Part of that charge is to be exceedingly human. While that sounds simple and broad brush, it's a commitment that we readily accept. It's a simple and complicated truth but without that founding principle, we're lost. These three words delineate why we do what we do and each action we take is measured against this concept. We believe that everything we do should improve the lives of our employees, our clients, our firm, our profession and our communities. #dedicatedtotheartofpossibility #WeAreWallace

Experienced, dedicated, and thoughtful legal counsel for over four decades has made us one of the largest law firms in the state of Oklahoma. Founded in 1972 by four graduates from the University of Tulsa College of Law, Riggs Abney is one of Oklahoma’s largest law firms. Riggs, Abney, Neal & Turpen, merged with the firm Robinson, Lewis, Orbison, Smith and Coyle in 1994 to become Riggs, Abney, Neal, Turpen, Orbison & Lewis. Today, the firm is known simply as Riggs Abney, with offices in Tulsa, Oklahoma City and Denver, providing broad based legal counsel and representation in all aspects of law. At the very core of our ethos is the call to public service. Through the firm, our attorneys and staff are involved in numerous charitable organizations. M. David Riggs was a member of the Oklahoma State Legislature for 18 years, and has served as Chairman of the Oklahoma Department of Wildlife Conservation Commission, the Oklahoma Nature Conservancy and the Sutton Avian Research Center. Michael C. Turpen was Oklahoma’s Attorney General from 1982 to 1986, and has helped organize and chair many philanthropic activities and events across the state. James C. Orbison is a past Chairman of the Education State Lottery Commission, past Vice-Chairman of the Tulsa County Public Facilities Authority, Director of the Tulsa Historical Society, Director of the Center for Legislative Excellence, Trustee of the OSU Lew Wentz Foundation, past Chairman and member of the Oklahoma Transportation Authority and former member of the Federal Home Bank Board. C.S. Lewis, III and Melvin C. Hall have both served as Chairmen on the University of Oklahoma Board of Regents. Hall also served as the Executive Director of the Oklahoma Human Rights Commission. Members of every office are active in numerous charitable, civic and service organizations. It is this commitment to public service that gives us our singular identity.

B+T Group is a turnkey professional services firm specializing in the wireless industry. We perform engineering, site development, construction and project management nationwide. We have in-house capabilities to perform engineering, wireless construction, site development services, audits and inspections and our patent-pending Site360 service. Site360 uses photogrammetry to capture all site data with centimeter-accurate measurements in one trip. Information is provided in a SiteView that allows our customers to see measurements while viewing 360-degrees of most sites.

Check-6 is the global performance improvement consultancy. Since 2007, we have been committed to becoming the world’s number one choice for HRO environments. We now partner with companies across multiple industries worldwide striving to achieve improved performance and operational efficiency. The core service we provide is that of a performance consultancy with multifaceted solutions tailored to your business requirements. Our Solutions: Performance Improvement Consulting Performance Excellence™ is our proven methodology, tailored to client objectives, in order to reduce human error and a sustain a culture of continuous improvement. Using a “Plan Based Execution” model, our coaches work hand in hand with your teams providing training and mentoring to sustain improvements in operational efficiency and safety. RIGOR® Digital Checklist System (DCS) RIGOR® is our proprietary digital checklist system that allows you to capture and formalize mandatory best-practices that result in verifiable compliance and increased reliability in standard work and procedures across your business. The system provides operational analytical feedback with evidenced measurement against baseline performance and acts as a valuable resource tool in sustaining procedural and cultural improvement. Well Control Virtual Instructor (WCVI) WCVI is a portable system that simulates primary and secondary well control scenarios in accordance with recommended standards of the International Well Control Forum (IWCF) and International Association of Oil and Gas Producers (IOGP). WCVI provides the ability to train continuously during normal hitch rotations using simulated well control fundamentals. Dropped Object Prevention Services Solutions to assist with the identification, mitigation and elimination of potential dropped objects to include: DROPS Site Inspections • DROPS Audits • DROPS Awareness and Working at Heights Training Courses • DROPS Program Creation/Implementation • Light Repair Work

Duncan and Son Lines, Inc. has been offering top quality intermodal transportation services and International cargo trucking services for more than 70 years. Since the 1970’s, we have focused on moving international cargoes between the Ports of Los Angeles and Long Beach to and from our service areas in Arizona, New Mexico, Nevada, Utah, California, Texas and Northern Mexico. Our Core Values are: INVESTMENT IN SAFETY – We recognize safety as an investment – not just a cost. We will invest to provide a safe and secure work environment for ourselves and for those we interact with on a daily basis. TOTAL EMPLOYEE COMMITMENT – We will show our fellow employees we are committed to them through empowerment. We will see each other as internal customers who deserve world-class service. We will treat one another with professionalism and respect at all times. Our disagreements, challenges of each other, and conflicts will be healthy and constructive. OPERATIONAL EXCELLENCE – We will share a passion for continuous improvement of our internal processes and procedures. We will strive to continuously improve our operation through consistent training and development, process review, technology, and teamwork. Our efforts will result in operations which are effective and efficient. COMPLETE CUSTOMER FOCUS – We will listen to our customers’ needs and provide top level service in a timely manner for a reasonable return on our investment.