35 Retail and wholesale distributorship services featuring prosthetics, namely, pre-manufactured, off-the-shelf prosthetics for upper and lower extremities, including custom manufactured prosthetics for upper and lower extremities; Retail and wholesale distributorship services featuring orthotics, namely, pre-manufactured, off-the-shelf orthotics for upper and lower extremities, including custom manufactured orthotics for upper and lower extremities; Retail and wholesale distributorship services featuring durable medical equipment, namely, cold therapy devices, crutches, canes and walkers, orthopedic durable medical equipment, and deep vein thrombosis (DVT) therapy devices; Retail and wholesale distributorship services featuring biologics, namely, regenerative therapy products; Retail and wholesale distributorship services featuring in-office physician diagnostic tools; Medical billing services provided to physicians, therapists, hospitals and other medical personnel, for reimbursement by Medicare, Medicaid and third party commercial insurance carriers in the procurement of prosthetic and orthotic products and services; Medical billing services provided to physicians, therapists, hospitals and other medical personnel, for reimbursement by Medicare, Medicaid and third party commercial insurance carriers in the procurement of cold therapy devices, crutches, canes and walkers, durable medical equipment, and deep vein thrombosis (DVT) therapies