NAC is a full service membership billing company processing payments through EFT, credit cards and coupon books. All aspects of membership billing and collection are handled by our experienced and professional staff. We have been in business for over 20 years and we have developed the skills necessary to effectively handle membership billing for health clubs, hospitals, golf courses, charities, civic organizations, and many other organizations. We can help you take charge of your receivables so you are paid on time, every time. And our clients in the fitness industry will be able to take control of their front desk with our software, InfinitiONE.