We use mostly Madeira brand thread but have acquired several Robison-Anton, Isacord and Coats colors when needed for color matches that Madeira does not offer.
Rayon thread is the type of thread that we sew with as it has more of a sheen than a matte finish in the designs.
Polyester thread is also available in limited colors. It is generally used on garments such as lab coats and uniforms which require industrial laundering.
Various other threads are