Douglas Rice

Vision Source LP engages in the provision of frames, eyeglasses, and contact lenses. It also offers sunwear and prescription medication. The company was founded by Glenn D. Ellisor on May 1, 1991 and is headquartered in Kingwood, TX.

Intel Security Group develops anti-virus software. It offers data protection and encryption, database security, server security, data exchange layer, threat detection, and web security. The company was founded in 1987 and is headquartered in Santa Clara, CA.

Concentra, Inc. engages in the provision of healthcare solutions. It offers occupational health, physical therapy, health and wellness, physical exams, urgent care, and tests and screening services. The company was founded by Lois E. Silverman and John K. Carlyle in 1979 and is headquartered in Addison, TX.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Concentra Operating Corp. was a health care company, which focused on improving America’s health, one patient at a time. It offered specialized therapy treatment and an early intervention approach that focused on returning employees to life, work, and normal functioning. The company was founded in 1979 and was headquartered in Austin, TX.