ISO 9001 Certified” means an organization has met the requirements in ISO 9001. It defines an ISO 9000 Quality Management System (QMS). ISO 9001 evaluates whether your Quality Management System is appropriate and effective, while forcing you to identify and implement improvements...
UL LLC is a global safety consulting and certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. Established in 1894 as the Underwriters' Electrical Bureau (a bureau of the National Board of Fire Underwriters),[2] it was known throughout the 20th century as Underwriters Laboratories and participated in the safety analysis of many of that century's new technologie.
In response to the need for quality assurance, increased education and recognition of professional achievement within the industry, NAFA developed the NAFA Certified Air Filter Specialist (CAFS) program — the first education and certification program designed specifically for air filtration professionals.