There are 3 manufacturers.
Lectrosonics is a U.S. company located in the city of Rio Rancho in the heart of New Mexico. With a continued focus on quality and innovation since 1971, Lectrosonics is well respected within the film, broadcast, music, and theater technical communities. They have a strong history of delivering products that satisfy your needs for quality wireless technology with excellent customer support and service. Lectrosonics wireless microphone systems and audio processing products are used daily in mission-critical applications by audio engineers familiar with the company's dedication to quality, customer service, and innovation. Lectrosonics offers products that are built to last. You can see just how their reputation for "built to last" has come about by visiting www.gnarlywireless.com.
Sound Devices, LLC was founded in 1998 to fulfill a single promise—build field-production audio products that improve our customer's work life. Today, Sound Devices' growing family of audio mixers, digital recorders, preamplifiers, and computer interfaces are trusted by production professionals worldwide. Sound Devices products are used in a wide range of applications including: