Established in 1934, the East Fairfield Coal Co. (EFCC) began in East Fairfield, Ohio and is now located in North Lima, Ohio. The company mines and sells several different minerals including coal, limestone and clay.

Amerikohl Minining Inc. is a mining & metals company based out of United States.

R.W. Sidley, Inc. was established in 1933 as a mining and manufacturing company. Since then we have continued to build our company through the development of high quality products derived from our original core products of silica sand and bank gravel. As a full service supplier R.W. Sidley, Inc. provides a broad range of construction solutions for today's building industry. We manufacture and supply bulk aggregates, industrial minerals, ready-mix concrete, masonry block products, structural and architectural precast components, and building supplies. All of these products and more are transported with our own, modern trucking fleet. This unmatched, vertical integration of our operation allows us to supply you with consistent, high quality products that are delivered on time. At R.W. Sidley, Inc., we are determined to add value and are positioned to react to the ever changing dynamics of the marketplace. With multiple ready-mix concrete, precast and block manufacturing facilities, we have the ability to service the most demanding commercial projects as well as your residential driveway or landscaping needs. As transportation professionals, we recognize that the key to cost effective distribution is strategically locating your products. J.P. Jenks Trucking and Warehousing, a wholly owned subsidiary of R.W. Sidley, operates a large, contemporary warehouse and bulk product bagging facility for short or long term storage and/or distribution. Our modern, sleepered fleet of tractors can transport your products on almost any type of trailer, over the road/for hire truck load and LTL service throughout the United States and Canada. R. W. Sidley has been a distributor of Mack trucks since 1948 and has also added Volvo and Mitsubishi trucks to our line of heavy and medium duty trucks. As one of the premier dealers in the Midwest, we offer new and previously owned trucks, trailers and vehicle apparatuses geared for the construction industry.

H&K Group, Inc. (H&K) is a family of vertically integrated companies serving the heavy civil contracting and construction materials sectors with over 80 operations throughout eastern Pennsylvania, New Jersey and Delaware. We provide: heavy civil construction services – site & land development, transportation & structures, water & wastewater, design-build & value engineering, demolition, emergency response, construction materials – crushed stone, sand & gravel, asphalt, ready-mix and precast concrete and high quality building materials – manufactured concrete block, biosoils, landscape materials and more. While embracing the legacy of “H&K” as our founders envisioned it, our new generation of family leadership is committed to refining our corporate goals and focusing intently on the future. With contemporary vision, strategy and a keen eye on technology and innovation, we continue to pioneer new processes and set new industry standards that consistently exceed our client’s most demanding project expectations. Here at H&K, we live and work by a value system that places accountability, quality and integrity above all business practices and principals. In so doing, we have built a company culture that creates exceptional products and services while remaining socially responsible, ethical and fair in all that we do. By operating in this manner we have created a code of trust in our customers, clients, employees, and the communities in which we operate that is unrivaled in our industry. Though large in capability, strength, experience and value, we are unique in our ability to remain hands-on, engaged and local in the way we conduct business at H&K. This, we believe, is the H&K difference. We welcome the opportunity to provide our credentials, qualifications, and project experience to you.