Spi

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

• Acoustical Materials & Treatments
• Insulation Materials

North American Industry Classification System (NAICS) Categories:

• Other Building Material Dealers > Ceiling Materials > Acoustical Materials & Treatments
• Other Building Material Dealers > Insulation & Energy Conservation Materials > Insulation Materials

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials > Insulation & Energy Conservation Materials > Insulation Materials
• Lumber & Other Building Materials > Lumber & Other Building Materials, Nec > Acoustical Materials & Treatments