Located in Petaluma, Ca, J & M Building Specialties is a premier supplier of doors, frames, and related hardware for commercial and residential projects, new construction, and remodel projects. We also specialize in the fast paced commercial tenant improvement (TI) market. Extensive product knowledge, expanded resources, short lead-times and quick turn-around at competitive prices, makes J & M Building Specialties a leader in the commercial/architectural interior TI market. J & M Building Specialties was founded and incorporated in 1967 by John Heliotes Sr.