The Insurance Services Organization (ISO) is an advisory organization and the principle provider of rating and statistical information used by the insurance industry in the United States. Quality of public fire protection is one of the items of statistical information the ISO provides to the insurance industry. Under the Public Protection Class (PPC) program, the City of North Richland Hills has achieved a rating of 1 on a scale of 1 to 10, with 1 being the most desirable rating. Lower homeowners insurance rates are available as the city improves its PPC rating.