This industry comprises establishments primarily engaged in the private or group practice of chiropractic medicine. These practitioners provide diagnostic and therapeutic treatment of neuro-musculoskeletal and related disorders through the manipulation and adjustment of the spinal column and extremities.

This industry comprises establishments primarily engaged in the private or group practice of optometry. These practitioners provide eye examinations to determine visual acuity or the presence of vision problems and to prescribe eyeglasses, contact lenses and eye exercises. They may also perform those services provided by an optician, such as selling and fitting prescription eyeglasses and contact lenses.

This industry comprises establishments primarily engaged in providing mental health services. Clinical psychologists, psychiatric social workers and other mental health practitioners, who do not hold a doctoral degree in medicine, are included.

This industry comprises establishments primarily engaged in administering medically-prescribed physical therapy treatment; planning and administering educational, recreational and social activities designed to help patients with disabilities regain physical or mental functioning or to adapt to their disabilities; and diagnosing and treating speech, language or hearing problems.

This industry comprises establishments of health practitioners, not classified to any other industry, primarily engaged in providing health services.