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

• Yarn

North American Industry Classification System (NAICS) Categories:

• Sewing, Needlework, And Piece Goods Stores > Textiles, Fabrics & Crafts Supplies > Yarn

Standard Industry Classification (SIC) Categories:

• Sewing, Needlework, And Piece Goods Stores > Sewing, Needlework & Piece Goods, Nec > Yarn