Robert Stienes

Preferred Sands, Inc. provides sand-based proppant solutions. It operates through the sand and coated technology segments. The sand segment focuses on mining, processing, and distributing frac sand sold under supply agreements to oil and natural gas customers in connection with hydraulic fracturing of oil and natural gas wells. The company was founded by Michael O’Neill in 1992 and is headquartered in Radnor, PA.

Radial, Inc. provides omnichannel commerce technology and operations. The firm's solutions connect supply and demand through efficient fulfillment and transportation options, intelligent fraud detection, payments, and tax systems, and personalized customer care services. The company is headquartered in King of Prussia, PA.

Part of bpost SA, Radial Commerce, Inc. operates mail-order houses. The company is based in King of Prussia, PA.

Duane Morris LLP provides legal services in the areas of intellectual property, telecommunications, information technologies, energy, water resources, endangered species and international dispute. The firm's clients include the automotive, construction, energy and insurance industries. The company was founded in 1904 and is headquartered in Philadelphia, PA.

Morgan, Lewis & Bockius LLP provides legal consulting services. It specializes in transactional, litigation, labor and employment, regulatory, and intellectual property legal services to various industries. The company was founded in 1873 and is headquartered in Philadelphia, PA.