NRS Petro offers NRS Pay! NRS Pay, integrates seamlessly with the NRS Petro POS, or can function as a standalone processing solution for any business, in any industry. On location, online or on-the-go, NRS Pay processing plans are tailored to help business owners save money and succeed custom rates! All you need to do is provide a current credit card statement and NRS Pay will analyze then generate a proposal with your custom rate.