Twin City Filter Service Corporation is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Filtering Materials & Supplies

North American Industry Classification System (NAICS) Categories:

• Industrial Machinery And Equipment Merchant Wholesalers > Filters & Filtering Materials > Filtering Materials & Supplies

Standard Industry Classification (SIC) Categories:

• Industrial Supplies > Filters & Filtering Materials > Filtering Materials & Supplies