Under our new premium rate-setting model, businesses are classified using the North American Industry Classifications System (NAICS), based on your business activities.
Each business activity may be assigned to a NAICS code if your business maintains accurate payroll records. See our Employer Classification Manual for more information.
Some functions, like administration, are considered ancillary because they support the main business, so they are not separately classified and the insurable earnings from your ancillary services must be prorated and reported under all supported business activities.
Businesses classified in one or more six-digit classification codes are generally assigned a single premium rate based on their predominant business activity. See details about our premium rate-setting model.