The D'Andrea company was founded in 1922 by Luigi D'Andrea in New York, who started out by making mandolin and guitar picks out of tortoise shell colored cellulose nitrate plastic. While guitar picks are still the mainstay of D'Andrea, they now offer a range of guitar parts and accessories as well as KSD basses.

Snark produce a range of tuners as well as a 9V power supply and a metronomes. The Snark brand is named after a mythical species described Lewis Carroll in his poem "The Hunting of the Snark". The snark is a peculiar creature that cannot be easily captured: the most common method is to seek it with thimbles, care, forks, and hope. One may also "threaten its life with a railway share" or "charm it with smiles and soap".

Ted Crocker builds guitars and other musician gear, with a rustic design ethic Ted Crocker gear has instant mojo.  Crocker made the Honey-Dripper guitar featured in the blues movie Honeydripper.  The design brief was a handmade guitar neck nailed to a plank with strange wires. Crocker hand made the odd pickups, guitar and hardware, keeping in mind that it had to be an instrument up to the task of recording a movie soundtrack in a 21st century studio and surviving a movie set and location shoot. 

Ted Crocker is also part of the growing Cigar Box Guitar Revolution.  His designs run the gamut from CBGs with modern hardware and electronics to those that could have been made over a hundred years ago. Other Crocker products include Stonehenge pickups, Woodshed wooden picks and a range of harp microphones