Founded in 2020, Iron Senergy is an independent energy company committed to the highest operational standards in the production of coal and energy. Headquartered in Louisville, Kentucky, our company is built on a foundation of safety, quality, technology, innovation and integrity. Our longwall mining operation located in Waynesburg, Pennsylvania, Cumberland Mine is anchored by a team of some of the hardest working miners in the industry. Our team has extensive experience operating in the coal and energy industry with our leadership having over 100 years of combined experience. We take pride in responsibly creating tomorrow’s energy today, and we remain keenly focused on growing our current coal and natural gas operations while actively pursuing investments and the development of renewable energy. We believe we will be the reliable strategic partner of tomorrow’s energy suppliers and remain committed to being one of the safest and most respected energy producers in the world.

Polycor Inc. is the world's leading natural stone quarrier and its core mission is to make people fall in love with natural stone. Their world-class reputation comes from a great legacy of stone work on historical landmarks, institutional, commercial and residential projects. Founded in Québec City (Canada) in 1987, the company now employs nearly 1,300 people and owns over 50 quarries and 20 manufacturing plants across North America and Europe.

Nugent Sand Company is known as a reliable supplier of high quality ASTM and DOT-approved specification sand and gravel in Kentucky, Indiana, Ohio, West Virginia, and Pennsylvania. We have state certified quality control technicians and the equipment, reserves, and know-how to produce the best aggregate available in these areas. We have the production capability to meet any customer's demands, from 1 ton to 1 million tons. We can deliver our product almost anywhere, by truck, rail, or barge. Nugent also supplies topsoils, golf course and sports surface turf mixes, and hardscaping and landscaping materials. We are members of the Better Business Bureau, the National Stone, Sand and Gravel Association, the Kentucky Crushed Stone Association, the Indiana Mineral Aggregate Association, the Contractors Association of West Virginia, and many other trade Associations.

NEW POINT STONE COMPANY, INC. is a company based out of 992 S. COUNTY ROAD, 800 E, GREENSBURG, Indiana, United States.

LITERS, INC. is a company based out of 5918 HAUNZ LANE, LOUISVILLE, Kentucky, United States.

Turner Mining Group is a full-service provider to the mining sector with operations throughout the United States. A people company performing mining services, we find success with turnkey solutions for enterprise clients and a values-based culture. Turner Mining Group is a team of experienced mining industry professionals performing a full spectrum of mining services from coast to coast. We supply some of the largest cement, aggregate, and specialty minerals companies with superior service and flexibility, all while maintaining a safe work culture. Contract Mining, Overburden Removal, Land Reclamation, Material Processing, Drill & Blast, and Mine Planning are just a few services we offer. Visit our website for more information. www.TurnerMining.com Employment questions? [email protected]

REED QUARRIES, INC. is a company based out of PO BOX 64, BLOOMINGTON, Indiana, United States.

Robertson Crushed Stone Inc is a mining & metals company based out of 6300 Highway 64 Nw, Milltown, Indiana, United States.

Polycor Inc. is the world's leading natural stone quarrier and its core mission is to make people fall in love with natural stone. Their world-class reputation comes from a great legacy of stone work on historical landmarks, institutional, commercial and residential projects. Founded in Québec City (Canada) in 1987, the company now employs nearly 1,300 people and owns over 50 quarries and 20 manufacturing plants across North America and Europe.