The Regal Musical Instrument Company was established in 1908 in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

. By the 1930s, they were one of the largest manufacturers of musical instrument

Musical instrument

A musical instrument is a device created or adapted for the purpose of making musical sounds. In principle, any object that produces sound can serve as a musical instrument—it is through purpose that the object becomes a musical instrument. The history of musical instruments dates back to the...

s in the world.

Regal specialised in:

• Mass-produced student instruments, sold under many brands including Regal through all major wholesalers.

• Custom-built instruments, produced for professional musicians in the Regal custom shop.

Regal were heavily involved in production of resonator guitar

Resonator guitar

A resonator guitar or resophonic guitar is an acoustic guitar whose sound is produced by one or more spun metal cones instead of the wooden sound board . Resonator guitars were originally designed to be louder than conventional acoustic guitars which were overwhelmed by horns and percussion...

s from their first development up until 1941, both manufacturing components and bodies for both the National String Instrument Corporation

National String Instrument Corporation

The National String Instrument Corporation was a guitar company that formed to manufacture the first resonator guitars.-National resonator guitar designs:...

 and the Dobro Manufacturing Company and producing whole instruments, which sold under many brand names including Dobro.