Custom Earpiece, now Black Diamond Radio, is a manufacturer specializing in custom molded products such as two-way radios, earpieces, adapters, and earmolds. The company, founded in 2002, focuses on quality, innovation, comfort, and ease of use in the two-way radio accessory market. With a commitment to customer service, Custom Earpiece provides a range of products tailored to industries like nightclubs, hospitals, security, police, events, and more. Their dedication to customer satisfaction is evident in their policy of treating customers the way they would want to be treated, fostering feedback and continuous improvement.