Hydrochem

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

• Chemical Cleaning Industrial

North American Industry Classification System (NAICS) Categories:

• Janitorial Services > Building Office & Industrial Cleaning Services > Chemical Cleaning

Standard Industry Classification (SIC) Categories:

• Building Cleaning & Maintenance Services, Nec > Building Office & Industrial Cleaning Services > Chemical Cleaning