James M. Greenwood

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.

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.

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.

Amerita, Inc. provides complex pharmaceutical products and clinical services to patients outside of the hospital. Its services include infusion services, injectable medications, enteral therapy and parenteral therapy, hospice medications and Synagis. The company was founded in 2006 by Jim Glynn and is headquartered in Irvine, CA.

Epic MedStaff Services, Inc. has been in the Dallas area since 2001 and has since expanded to Ft. Worth, San Antonio, Corpus Christi, Tyler and Houston. The firm prides itself on maintaining a staff of well rounded, diverse, and experienced includes Certified Nurse Assistants, Licensed Vocational Nurses, Registered Nurses, Physical, Speech, Occupational Therapists, Physical Therapist Assistants, Respiratory Therapists, Phlebotomists, Medical Assistants, and Mental Health Technicians. Every member of its staff has a minimum of one year's experience and has passed the relevant examinations necessary to ensure competency in their field. Epic MedStaff Services serves people of every age in communities across Texas including pediatric care through the Texas Medicaid CCP, MDCP, and CHIP programs. The firm's High Tech Specialty Nursing Care include Tracheostomy care, Ventilator care, Seizure Disorders, Gastrostomies, Cerebal Palsy, Respiratory program, Quadriplegia, Spina bifida, Cardiac Disease, Genetic Disorders, Colostomies, Oncology/Hematology, and SMA syndrome(Spinal Muscular Atrophy).

Platinum Dermatology Partners LLC provides practice management services to dermatology groups. Its services include practice support, practice management and financial management. The company was founded in May 2016 and is headquartered in Dallas, TX.