Tammy S. Steele

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.

DentalOne Partners, Inc. engages in the provision of dental support services. It offers practice, marketing, and technology support; and clinical and professional development. The firm's brands include DentalWorks, SmileLogix, SmileIQ, and DentalWorks Discount Plan. The company was founded in 2011 and is headquartered in Plano, TX.

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.