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

• Television Systems Closed Circuit Telecasting

North American Industry Classification System (NAICS) Categories:

• Other Electronic Parts And Equipment Merchant Wholesalers > Radio & Television Equipment > Television Systems Closed Circuit Telecasting

Standard Industry Classification (SIC) Categories:

• Electronic Parts & Equipment > Radio & Television Equipment > Television Systems Closed Circuit Telecasting