Psi

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

• Manufactured Mobile Homes Parts & Supplies
• Telecommunications Telephone Equipment & Systems Supplies & Parts
• Testing Laboratories

North American Industry Classification System (NAICS) Categories:

• Other Construction Material Merchant Wholesalers > Prefabricated Structures > Mobile Home Equipment & Parts Wholesale
• Radio, Television, And Other Electronics Stores > Telephone & Communication Equipment
• Testing Laboratories

Standard Industry Classification (SIC) Categories:

• Mobile Home Dealers > Mobile Home Dealers, Nec > Manufactured Mobile Homes Parts & Supplies
• Miscellaneous Retail Stores, Nec > Telephone & Communication Equipment
• Testing Laboratories