operation of a bureau for performing third party independent assessments and audits in a quality system in accordance with established national and international standards, and assessing, registering, auditing and continuously monitoring individual organizations under the quality system; certifying quality systems in accordance with quality standards for equipment (including gas, oil, solid fuel and electrical equipment) used by suppliers of services and products including, but not limited to, computer products, automotive products, furnaces, appliances, and air conditioners