Alpha Aluminum Products 
Alpha Aluminum Products is a leading manufacturer of commercial interior aluminum door and window frames. Our frames can accommodate wall thicknesses as narrow as 3” and as wide as 10-1/2”. Alpha’s center glazed systems accept ¼”, 3/8”, ½” and 5/8” glass. Both anodized and painted finishes available. Alpha also provides pocket frames and aluminum doors.
Avanti Systems 
Avanti Systems USA provides world class sliding glass door products, available for integration within stunning interior environments. We offer an extensive range sliding and pivot glass doors for commercial and office interiors. Our products contribute to LEED projects and incorporate sustainable sources. Visit our website for a full product range.
Capitol Aluminum and Glass Corporation
Complement your interior space with Capitol 4900 Laminated Woodgrain interior doors. Available in a variety of woodgrain finishes, the 4900 LWG is a great pre-finished alternative to other interior door options. Applications include light to heavy traffic use.
Western Integrated Materials
The widest range of products. Stock door frames are available in 13 different throat sizes. Variable frame fits any wall, from 3" to 9 ½" thick. 90-minute fire label for corridors and office entrances. 100 percent prefabricated units for ease of installation. Western Integrated products are the newest and most sophisticated products available.
Wilson Partitions 
Wilson Partitions is a premier provider of interior aluminum doors, frames and office systems, whose name is synonymous with superior design, flexibility, and innovation. Innovative design, superior quality, and excellent service from project start to finish distinguish Wilson Partitions.
New Job? New Title? New Certification?
Need new luggage tags? We will laminate business card luggage tags for all our US and Canadian users - plus the staff you support - as a reminder to use 4specs on Internet product searches.
Here is how to mail us your business cards.
See also: 10 2250 - Demountable Partitions
Alpha Aluminum Products
Alpha Aluminum Products is a leading manufacturer of commercial interior aluminum door and window frames. Our frames can accommodate wall thicknesses as narrow as 3” and as wide as 10-1/2”. Alpha’s center glazed systems accept ¼”, 3/8”, ½” and 5/8” glass. Both anodized and painted finishes available. Alpha also provides pocket frames and aluminum doors.
Avanti Systems
Avanti Systems USA provides world class sliding glass door products, available for integration within stunning interior environments. We offer an extensive range sliding and pivot glass doors for commercial and office interiors. Our products contribute to LEED projects and incorporate sustainable sources. Visit our website for a full product range.
Capitol Aluminum and Glass Corporation
Complement your interior space with Capitol 4900 Laminated Woodgrain interior doors. Available in a variety of woodgrain finishes, the 4900 LWG is a great pre-finished alternative to other interior door options. Applications include light to heavy traffic use.
Western Integrated Materials
The widest range of products. Stock door frames are available in 13 different throat sizes. Variable frame fits any wall, from 3" to 9 ½" thick. 90-minute fire label for corridors and office entrances. 100 percent prefabricated units for ease of installation. Western Integrated products are the newest and most sophisticated products available.
Wilson Partitions
Wilson Partitions is a premier provider of interior aluminum doors, frames and office systems, whose name is synonymous with superior design, flexibility, and innovation. Innovative design, superior quality, and excellent service from project start to finish distinguish Wilson Partitions.