O C S

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

• Refuse Systems
• Specialized Freight (Except Used Goods) Trucking, Local

North American Industry Classification System (NAICS) Categories:

• Specialized Freight (Except Used Goods) Trucking, Local
• Other Nonhazardous Waste Treatment And Disposal

Standard Industry Classification (SIC) Categories:

• Local Trucking, Without Storage
• Refuse Systems