The Gerken Companies have worked to successfully build and improve the infrastructure of Northwest Ohio and Southeast Michigan for more than 60 years. As technologies, people and industry specifications have changed, The Gerken Companies have met a wide variety of challenges and have continued to grow and improve from season to season. With a diligent work force of more than 350 men and women, The Gerken Companies have a dedication to construction quality, an accurate foresight into industry trends, and the ability to adapt and operate in a competitive environment. Successful management has allowed The Gerken Companies to diversify the array of available services. Stone quarries, sand and gravel facilities, asphalt and aggregate testing laboratories, roadway services and decorative asphalt paving augment the operation of the company's paving division and open doors for continuous improvement in project management and for strong relationships with clients and business partners. The Gerken Companies include Gerken Paving, Inc., Gerken Materials, Inc., Gerken Asphalt Paving, Inc., Gerken Leasing Company, LLC, Roadway Services, Inc., The Custar Stone Company, The Bluffton Stone Company and Bluffton Paving, Inc.

E.S. Wagner is a fourth-generation construction company providing transportation construction, industrial site development, structural concrete, underground utilities, and value engineering services. Over the past 75 years, we have evolved from a Northwest Ohio firm to a multi-regional company providing a diverse range of services throughout the Midwestern and Southeastern United States. We are grounded in the belief that our people make all the difference. We work with government, commercial, and private sector clients. With more than 400 pieces of major construction equipment from industry-leading manufacturers, we have the resources to provide you with the best construction solutions.

As leaders in the construction industry for more than 60 years, Miller Bros. Const., Inc. provides diversified services, as well as technical and management solutions, to each customer and community we serve. Under the third generation of family leadership, Miller Bros. Const., Inc. is licensed in 12 states, and that list continues to grow. Throughout our company’s growth, our core values have remained the same: we are passionate about integrity and meeting the challenges and goals of every project. We are leaders in safety excellence, with a nationally–recognized safety program to prove it. Miller Bros. Const., Inc. is a two-time recipient of the Ohio Safety Award and the 2011 recipient of the Associated General Contractors of America’s National Construction Safety Excellence Award. With over 400 pieces of operated equipment, Miller Bros. Const., Inc. has the resources to successfully complete nearly any project. We use the latest technology, and our customers reap the benefits. With GPS, robotic machine control and laser controlled systems, working time is reduced to help meet the tight scheduling demands of fast-track projects. Working with Miller Bros. Const., Inc. means a highly-trained staff on your jobsite and a professional project staff, known for innovative thinking and value engineering alternatives, managing the details. Contact us to learn how we can help deliver on-time and on-budget for your next project. Equal Opportunity Employer

Kwest Group is an award-winning civil and environmental construction company working for a variety of clients throughout the United States and Caribbean. We have been continually recognized and awarded for our safety and quality achievements on both a local and national level, receiving over 35 awards in the past 5 years. We have extensive experience with industrial site work projects, roadway and runway construction, earthwork, underground utilities, substations, structural concrete, wetlands mitigation, erosion control, clearing, rail improvements and demolition. The markets we continually serve include the Energy, Industrial, Rail, Environmental, Federal, Transportation, and Airfield sectors. Our company is built on providing the highest levels of safety, quality and customer service. These principles have guided our growth as an award-winning civil contractor. We cover the U.S. and the Caribbean, with regional operational centers based in Texas and Ohio.

Underground Utilities, Inc. is a construction company based out of Monroeville, Ohio, specializing in earthwork and water and sewer main installation.

Established in 1982, CES has installed thousands of miles of underground fiber optic, conventional power and communication cable. We are experts in underground construction including duct runs, manholes, and vaults and use all construction methods including horizontal directional drilling, tunneling, plowing, and trenching. CES is a pioneering partner in joint trench construction combining electric, gas, communications, and CATV in a single trench. CES finds solutions to the most difficult construction problems in the densest urban to rural areas. CES has a proven record of quality, workmanship and assigns the highest priority to the satisfaction of clients, their customers and property owners.

As one of the nations largest underground specialty contractors, InfraSource has over 2,000 employees strategically positioned across more than 20 operating centers. With legacy companies dating back to 1954, InfraSource has built its reputation as a premier provider of comprehensive infrastructure services to the natural gas, oil, telecom and electric power industries. We are driven by our mission to deliver innovative, efficient and high quality construction solutions by providing best-value services to our customers; developing and retaining the best people in the industry; committing to the highest safety and quality standard; and investing in the best equipment and technology available.

Kwest Group is an award-winning civil and environmental construction company working for a variety of clients throughout the United States and Caribbean. We have been continually recognized and awarded for our safety and quality achievements on both a local and national level, receiving over 35 awards in the past 5 years. We have extensive experience with industrial site work projects, roadway and runway construction, earthwork, underground utilities, substations, structural concrete, wetlands mitigation, erosion control, clearing, rail improvements and demolition. The markets we continually serve include the Energy, Industrial, Rail, Environmental, Federal, Transportation, and Airfield sectors. Our company is built on providing the highest levels of safety, quality and customer service. These principles have guided our growth as an award-winning civil contractor. We cover the U.S. and the Caribbean, with regional operational centers based in Texas and Ohio.

WARD CONSTRUCTION COMPANY is a construction company based out of 385 OAK STREET, LEIPSIC, Ohio, United States.

KENNETH G. MYERS CONSTRUCTION CO., INC. is a construction company based out of 201 E SMITH ST, GREEN SPRINGS, Ohio, United States.

Douglas N. Higgins Inc. is a construction company based out of United States.