Code Authorities - Food safety certifications and services
UL is a recognized leader in food safety product certification and education.
UL EPH Mark
The UL EPH Mark helps shows compliance with codes and regulations. Learn more.
Information on the Supplemental Food Service Mark. Learn more.
Food safety products certified to NSF Standards
The following "Information" links show product category guide information, which typically describes the products covered under the category, their intended use, reference to utilizing manufacturer's instructions, applicable installation codes, limitations regarding the use of the product, the standard or other requirements used to investigate the product, the type of UL Mark on the product, as well as other important facts such as explanation of markings, identification of related categories, and adjunct services.
| Standard | Information | Manufacturers |
| Food service equipment (NSF 2) | Information | Manufacturers |
| Warewashing Machines (NSF 3) | Information | Manufacturers |
| Hot food holding, rethermalization, and transport equipment (NSF 4) | Information | Manufacturers |
| Hot water heaters and boilers and heat recovery equipment (NSF 5) | Information | Manufacturers |
| Commercial refrigerators and freezers (NSF 7) | Information | Manufacturers |
| Commercial powered food preparation equipment (NSF 8) | Information | Manufacturers |
| Automatic ice making equipment (NSF 12) | Information | Manufacturers |
| Manual food and beverage dispensing equipment (NSF 18) | Information | Manufacturers |
| Vending machines for food and beverages (NSF 25) | Information | Manufacturers |
| Residential dishwashers (NSF 184) | Information | n/a |
| Special equipment and devices (NSF 169) | Information | Manufacturers |
Technical articles and content
Additional resources
