The Keys Association

The Keys Association is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Elevator Shaft Cleaning

North American Industry Classification System (NAICS) Categories:

• Other Building Equipment Contractors > Elevators & Escalators > Elevator Shaft Cleaning

Standard Industry Classification (SIC) Categories:

• Installation Or Erection Of Building Equipment, Nec > Elevators & Escalators > Elevator Shaft Cleaning