MSE factory production is specialized in the manufacturing of all sheet metal work products including: fire rated and non-fire rated steel doors, frames, and windows, sliding steel doors, and stainless steel doors. Over the decades MSE has developed a strong reputation in fire rated and non-fire rated steel door and window manufacturing. Our products bear certificates from Intertek Laboratories Inc. U.S.A. These certificates and approvals demonstrate our ongoing and continued commitment to providing quality products and services that meet our customers needs.