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WESCO International, Inc. (NYSE: WCC), a publicly traded Fortune 500 company headquartered in Pittsburgh, Pennsylvania, is a leading provider of electrical, industrial, and communications maintenance, repair and operating (MRO) and original equipment manufacturers (OEM) products, construction materials, and advanced supply chain management and logistic services. 2013 annual sales were approximately $7.5 billion. The company employs approximately 9,400 people, maintains relationships with over 25,000 suppliers, and serves over 75,000 active customers worldwide. Customers include commercial and industrial businesses, contractors, government agencies, institutions, telecommunications providers, and utilities. WESCO operates nine fully automated distribution centers and approximately 475 full-service branches in North America and around the world, providing a local presence for customers and a global network to serve multi-location businesses and multi-national corporations.
ADS Systems is a Kenner, LA-based company in the Energy and Utilities sector.
Black Elk Energy Offshore Operations is one of the leading companies in the Energy and Utilities sector.
Vaquero Energy is a Bakersfield, CA-based company in the Energy and Utilities sector.
Black Stone Minerals is the largest publicly traded mineral and royalty company in the United States. Our interests include approximately 18 million gross acres in over 40 states. Our principal business is maximizing the value of our existing portfolio of mineral and royalty assets through active management and expanding our asset base through acquisitions of additional mineral and royalty interests. We maximize value through the marketing of our mineral assets for lease, creative structuring of those leases to encourage and accelerate drilling activity, and selectively participating alongside our lessees on a working-interest basis. Our primary business objective is to grow our reserves, production, and cash generated from operations over the long term. We are headquartered in Houston, TX.