CTS Group is one of six award winning member companies in the Veregy portfolio of energy service companies that create eco-friendly buildings with systems' optimizations and guaranteed energy savings. The broad expertise offered by the Veregy members includes the following specialties: design/build performance-based facility and system improvements, solar PV system, solar battery storage, measurement and verification energy tracking, building automation systems and controllers, utility usage optimization, facility and resource management, single platform technology integration.

Our CTS team brings you years of expertise and knowledge--enough to meet all of your project needs in the most economical way possible. Our cohesive team of highly-trained and experienced professionals is responsible for your projects from the first designs to implementation and delivery. Each team is instrumental in making each project a success, both initially and long term.

Our staff consists of seasoned veterans with an average of more than 20 years of industry experience in multiple fields of engineering and project management, including:

  • Professional Engineers
  • Certified Energy Managers
  • Green Building Engineers
  • LEED Accredited Professionals
  • Certified Measurement and Verification Professionals
  • Certified Energy Associates
  • Controls Engineers

This kind of professional experience provides our customers a valuable asset. Each employee is up to date with immense knowledge of changing technologies and systems in their specific industries. Continuing education and training are ongoing. This is to make sure our clients get the best team available who can also deliver the best state-of-the-art solutions.

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Our Management Team

With the experience possessed by the management team, you can see why the CTS Group is continuing its rapid growth. Not only are the managers great leaders of CTS, but they are also great leaders for the energy service industry as well.

Bob_BennettBob Bennett, Managing Partner

For nearly thirty years, Bob has been helping school districts, higher education and government customers develop innovative solutions for deteriorating infrastructures, revitalizing existing facilities. Bob, along with his friend and business association Scott Ririe, was instrumental in the development and passage of Missouri’s guaranteed energy cost savings contracts legislation.


In 2000, Bob and Scott launched the CTS Group to be a responsive and customer oriented energy services company. As a managing partner, Bob gives customers a direct line of communication with one of the owners of the company, reaffirming the company’s commitment to meeting customers’ project objectives. It is top priority to exceed customer expectations and proof of this are our multiple repeat customers for additional performance contract needs, building remodels/additions, and complete new buildings.

As a leader of the company, Bob maintains close relationships with all CTS Group customers through the many professional associations and industry related organizations.

Bob is a graduate of the University of Kansas, and is based out of the St. Louis office.

Scott_RirieScott Ririe, Managing Partner

Scott has spent his thirty-plus year career committed to improving learning and working environments in the public and private sectors. Scott currently sits on the Board of Directors of the National Association of Energy Services Companies (NAESCO), a further testimony to his ongoing commitment to energy efficiency.

Scott’s career began in the energy services corporate world where he perfected his skills in sales, sales management, and district management. From this vantage point, Scott was able to see the need for responsive and customer oriented energy services offerings. In 2000, Scott and Bob Bennett formed the CTS Group to fill this industry void. Since its inception, Scott has been focused on guiding CTS in growth and customer satisfaction.

Scott’s talents have prepared him to help CTS hire, train, and retain talented people to deliver the highest level of customer satisfaction on each and every project. The reason for sustained growth has been the commitment to customer satisfaction by every person working at the CTS Group.

Scott is a graduate of Cornell College, and is involved in many professional and industry organizations maintaining close relationships with CTS Group customers. Scott is based out of the St. Louis office.

jim_thurmanJim Thurman, Director of Engineering

As Director of Engineering, Jim utilizes his extensive background and experience to provide expert technical guidance to the CTS engineering team. Jim’s broad background in mechanical and electrical design engineering, project management and facilities management provide him with the tools and knowledge to effectively design, budget and implement projects that maximize comfort, energy efficiency and value for CTS customers.


Jim plans and directs all aspects of engineering activities and projects while ensuring the projects, initiatives, and processes are in conformance with industry standards, CTS’s established policies, and that the objectives of the customer are fulfilled. Under his direction, best practice engineering methods are utilized in the engineering process to incorporate design, components, materials, and tools that result in cost-effective and quality projects.

Prior to CTS, Jim was a Solutions Design Leader with Johnson Controls, Inc. working in the K12 and Higher Education markets. Jim also served as a Facilities Engineer and Construction Manager at Southeast Missouri State University and as a Mechanical Engineer with Marcum Engineering, LLC in Paducah, KY.

Jim is a licensed Professional Engineer and a Certified Energy Manager. He is a resident of Missouri and based out of the CTS St. Louis office.

Al Willis, Director of Operations

Al leads the construction group and directs the work of the project management team. He assures availability and resources with proper expertise and tools for the implementation of projects. He directs administration of implementation personnel assuring schedules are met and that the resulting project execution is successful.


Al works directly with the CTS sales and engineering teams and clients designing projects to meet clients’ goals and optimize energy savings while driving long-term customer value. He has developed projects from simple control and mechanical system recommissioning, all the way to complete building renovations and additions.