35 Services relating to the negotiations of group purchasing contracts with manufacturers, suppliers, wholesalers, and distributors for medical, surgical, dental, veterinary, educational, and correctional supplies, pharmaceuticals, laboratory supplies, food/dietary supplies, medical/hospital/dental/veterinary/educational/correctional facilities equipment, furniture and furnishings, and, information management systems software on behalf of hospitals, clinics, surgery centers, closed pharmacies, health care centers, physicians/dental/veterinary practices, long-term care/retirement institutions, retail stores, educational institutions; namely universities, colleges, primary and secondary schools; correctional institutions, namely jails and prisons; and medical/dental/veterinary laboratories