Michael D. Lundin

Oglebay Norton Co. LLC engages in mining, processing, transporting and marketing industrial minerals and aggregates. It provides aggregates and industrial minerals for applications in the building materials, environmental, energy and industrial markets. The company operates in three segments: Great Lakes Minerals, Global Stone and Performance Minerals. The Great Lakes Minerals segment mines and distributes limestone from facilities located in northern Michigan. The Global Stone segment supplies lime, crushed and ground limestone, construction aggregates and chemical limestone in the Great Lakes region. It's products are used as a filler in building materials, waste water treatment and soil stabilization and as an aggregate for construction of highways, shopping centers, hospitals and schools. Performance Minerals segment mines and processes industrial sands. The company was founded in 1854 and is headquartered in Cleveland, OH.

U.S. Concrete, Inc. engages in the production of ready-mixed concrete. It operates through Ready-mixed Concrete and Aggregate Products segments. The Ready-Mixed Concrete segment focuses on the formulation, preparation, and delivery of ready-mixed concrete to the job sites of customers. The Aggregate Products segment produces crushed stone, sand and gravel from aggregates facilities located in New Jersey and Texas, Oklahoma, United States, Virgin Islands, and British Columbia, Canada. The company was founded in July 1997 and is headquartered in Euless, TX.

Resilience Capital Partners LLC (Resilience Capital) is a private equity firm founded in 2001 by Bassem A. Mansour and Steven H. Rosen. The firm is headquartered in Cleveland, Ohio.

Changing World Technologies, Inc. specializes in transformation of organic wastes into petroleum products. Its technology Thermal Conversion Process reforms organic waste into renewable fuel oil, without combustion, incineration or toxic residue and breaks down waste into its smallest chemical units and reforms them into new combinations to produce alternative fuels and specialty chemicals. The company was founded by Brian S. Appel on June 12, 1998 and is headquartered in West Hempstead, NY.

Founded in 1953, Avtron is a leader in designing and manufacturing Electrical Control and Test Equipment in several niche markets. The company's Aerospace, Industrial Automation, and Load Bank businesses occupy several buildings near Cleveland, Ohio, and accommodate most of the company's manufacturing, sales, and engineering resources. Within the last several years, Avtron has deployed sales and service personnel to remote sites, including China and Europe, and acquired a small company in New Hampshire. Avtron is recognized around the world for manufacturing high quality products which function reliably in harsh industrial environments. Avtron's technically advanced products come with a solid field service organization dedicated to prompt and reliable support. Anywhere in the world and at any time, installation, start-up, and support services are available on all Avtron products.

Broder Bros Co. engages in the supply of wholesale apparel and promotional products. The firm's apparel includes T-shirts, sweatshirts, polos, woven shirts, knits and layering, pants, shorts, outerwear, headwear, bags, and accessories. The company was founded in 1919 and is headquartered in Trevose, PA.

North Coast Minerals LLC operates as a platform company to invest in industrial minerals, mining, natural resources and related businesses. The firm invests in the debt, mezzanine and equity of industrial minerals, mining, natural resources and related businesses. The company is headquartered in Columbus, OH.

Part of Carmeuse Holding SA, Michigan Limestone Operations LP operates two quarries that supply high calcium and dolomitic limestone. The private company is based in Royal Oak, MI. Michigan Limestone Operations was acquired by Oglebay Norton Co. LLC, part of Carmeuse Holding SA from February 26, 2008 on April 18, 2000 for $53 million.

Rand Logistics, Inc. engages in the provision of marine bulk freight shipping services throughout the Great Lakes region. It transports construction aggregates, salt, grain, coal, iron ore, and other dry bulk commodities for customers in the construction, electric utility, food, and integrated steel industries. The company was founded on June 24, 2004 and is headquartered in Iselin, NJ.