Quality Aluminum Extrusion and Finishing Services



Gateway Extrusions is the foremost aluminum extruder in the St. Louis area. We pride ourselves on producing the highest quality custom aluminum extrusions. We also have a large catalog of standard dies, making many shapes available without a large die investment.



Here at Gateway Extrusions we offer in house powder coating. We currently have a vertical paintline that allows us to paint metal in lengths up to 25ft. We also offer Anodizing services through our connections to local companies in the greater St. Louis area.


Gateway Extrusions offers many options when it comes to fabrication:

  • Precision Cut-to-length
  • 60 ton Vertical Punch Press
  • Single-hit Punch Presses
  • Drill Press
  • Manual Mill, CNC Mill

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Who We Are

Gateway Extrusions, Ltd. offers a wide range of aluminum extrusion services, from design through production, finishing and packaging, to the residential and commercial building and industrial product markets.

What We Do

We also provide Thermal Break processing with Pour & De-bridge thermal break. We can supply Polymide Strut Thermal break as well. Through outside sourcing, Gateway Extrusions can also provide you with complete anodizing in clear or architectural colored finishes.

Markets Served

  • Building Products
  • Storefront and Curtain Wall
  • Windows and Door
  • Shelving and Storage Systems
  • Lighting Components
  • Partitions and Interior Walls
  • Railings and Fencing
  • Boat and Trailer Accessories
  • Automotive Accessories

Connect With Us

We want to hear from you!

    704 West Park Road, Union MO 63084