Electrical and Sound System Contractor Look no further than Custom Sounds and Wiring in Smithfield, UT if you are searching for an experienced technician to install electric and audio components in your home or business. We are a company that offers custom sound and lighting services. Our team aims to make sure that you're happy and satisfied with our work! We take the time to get to know you and your needs. We inform you about the things you need to know and help you match the service you want to your budget.