Paul Jolas

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.

Radiologix, Inc. used to provide diagnostic imaging services. It owned and operated multi-modality diagnostic imaging centers that used advanced imaging technologies such as positron emission tomography (PET), magnetic resonance imaging (MRI), computed tomography (CT) and nuclear medicine, as well as x-ray, general radiography, mammography, ultrasound and fluoroscopy. The company was founded by Derace L. Schaffer & Sami S. Abbasi in 1996 and is headquartered in Dallas, TX.

Regency Energy Partners LP engages in the gathering and processing, contract compression, treating and transportation of natural gas and the transportation, fractionation and storage of natural gas liquids with assets located in Arkansas, Kansas, Louisiana, Oklahoma and Texas. The company was founded on September 2005 and is headquartered in San Antonio, TX.

Haynes & Boone LLP provides legal services. It offers corporate, business litigation, insurance and healthcare law, labor and employment, estate planning, real estate, bankruptcy, intellectual property, white collar crime, and antitrust. The company was founded by Richard D. Haynes and Michael M. Boone in 1964 and is headquartered in Dallas, TX.

American Bar Association provides legal services. It provides law school accreditation, continuing legal education, legal information and other services to assist legal professionals. The firm has members which include judges, court administrators, law professors, and non-practicing attorneys. The company was founded on August 21, 1878 and is headquartered in Chicago, IL.

The Dallas Bar Association operates as an association of attorneys. The private company is based in Dallas, TX.