C J Rush Industries 
Recognized worldwide as a preeminent designer and manufacturer of complete architectural entrance systems. Our products include manual and automatic revolving doors, security revolving doors, balanced and swing doors. C.J. Rush is known for excellence in craftsmanship, specializing in cladded entrances using materials such as bronze (Muntz), stainless steel, and other custom finishes.
Ellison Bronze 
Since 1932 has continuously manufactured custom bronze, stainless steel, and aluminum doors and entrances. Originators of the manual balanced door, we also offer overhead concealed power operation. We can provide door construction utilizing other types of swing and sliding door hardware. A variety of configurations, materials and finishes are available. With service staff for maintenance.
C.R. Laurence Co.
C.R. Laurence a leading global supplier to the glazing, railing, architectural, construction, industrial, and automotive industries including custom-engineered ornamental metals, wire mesh, perforated metals, rainscreens, balanced doors, and grilles. Serving the entire commercial glazing community from 30 distribution centers throughout the United States, Canada, Australia and Europe.
Tajima Corporation USA
Tajima a prominent architectural metal manufacturer, based in Los Angeles, delivers more than 20 years of design, engineering, and production services to the industry. Tajima has extensive knowledge in metal facades, entrances, storefronts, metal wall panels, column casings, housings, sheds, sun protection, railings, and custom ornamental metals.