fiber glass building insulation, sealing and caulking compounds, acoustical gasketing, vibration-isolating clips or fasteners, resilient flooring, acoustical doors, acoustical windows, fiber glass mechanical insulation

Tires

Communications headsets for use with communication radios, intercom systems, or other communications network transceivers

circuit boards and Integrated Circuits (IC) chips

Public-address systems consisting of microphones, loudspeakers, CD players, [ audio cassette players, ] equalizers, audio amplifiers, DVD players, and audio mixers

Public-address systems consisting of microphones, loudspeakers, CD players, audio cassette players, equalizers, audio amplifiers, DVD players, and audio mixers

PUBLIC ADDRESS SYSTEMS COMPOSED OF MICROPHONES, CD PLAYERS, AUDIO CASSETTE PLAYERS, EQUALIZERS AND AUDIO MIXERS

telecommunications services, namely, a telephone calling plan

Software as a service (SaaS) for managing and automating noise emissions compliance for energy and resource facilities; Software as a service (SaaS) for managing and automating vibration, light and odor emissions compliance for energy and resource, transportation, and building facilities