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

• Hardware
• Heating Equipment & Systems Parts & Supplies
• Plumbing Equip, Parts & Supplies
• Plumbing Fixtures & Supplies
• Plumbing Fixtures & Supplies Wholesale & Manufacturers
• Water Softening & Conditioning Equipment Service & Supplies

North American Industry Classification System (NAICS) Categories:

• Plumbing Fixture Fitting And Trim Manufacturing
• Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
• Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Plumbing Fixtures & Accessories
• Household Appliance Stores > Air Conditioning & Heating Systems
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equipment, Parts & Supplies
• All Other Support Services > Water Services > Water Softener Services

Standard Industry Classification (SIC) Categories:

• Plumbing Fixture Fittings & Trim
• Hardware
• Plumbing And Heating Equipment And Supplies (Hydronics) > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
• Plumbing And Heating Equipment And Supplies (Hydronics) > Plumbing Fixtures & Accessories
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equip, Parts & Supplies
• Business Services, Nec > Water Services > Water Softener Service