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Cascade Integrated Services is a leading provider of fluid management, drilling and wellsite support and production services that consistently provides clients the highest level of service possible, performed safely, and with the very fewest complications. Our dedication to our partners, to the market, and to our communities encourages us to consistently seek ways to improve and to make what we do safer, reducing risk to our customers throughout the mid-continent oil and gas fields. Our geographic reach and technical expertise are complemented by a customer-focused service commitment to being reliable, adaptable and consistent. This cornerstone of our mission allows our customers to remain focused on their core business -- staying profitable and competitive -- because we are focused on managing underlying transportation logistics and sourcing.
International Steel Group is a Warren, OH-based company in the Agriculture and Mining sector.
Laurion Mineral Exploration Inc. is a Toronto, ON-based company in the Agriculture and Mining sector.
Petersen Aluminum Corp is a Elk Grove Village, IL-based company in the Agriculture and Mining sector.
U.S. Silica Holdings Inc. is a global performance materials company and is a member of the Russell 2000. The company is a leading producer of commercial silica used in the oil and gas industry and in a wide range of industrial applications. Over its 123-year history, U.S. Silica has developed core competencies in mining, processing, logistics and materials science that enable it to produce and cost-effectively deliver more than 600 diversified products to customers across our end markets. U.S. Silica`s wholly-owned subsidiaries include EP Minerals and SandBox Logistics™. EP Minerals is an industry leader in the production of products derived from diatomaceous earth, perlite, engineered clays and non-activated clays. SandBox Logistics™ is a state-of-the-art leader in proppant storage, handling and well-site delivery, and is dedicated to making proppant logistics cleaner, safer and more efficient. The company has 27 operating mines and processing facilities and two additional exploration stage properties across the United States and is headquartered in Katy, Texas.