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Aluminum Supply Company Logo with brushed stainless steel Extruded Aluminum Round Tubes

MSI Logo
A MHC Company.

Happy Holidays



Aluminum Supply Company, Inc. (ASCO) is a second-generation, family-owned business based in Detroit, Michigan. Since 1948, we have built an impeccable reputation by consistently providing quality materials and exceptional service to our customers.

ASCO's highly experienced, highly knowledgeable staff and endless network of industry resources ensures that we can meet the needs of any job of any size requiring extrusions, sheet stock and plate, or fabrication. Material we specialize in handling include steel, stainless steel, aluminum, and copper.

  • We provide

    • Standard/ Custom Extrusions
    • Standard/ Specialty Sheet and Plate
    • Custom Fabrication
    • Project Assistance
    • Custom Finishing
  • We serve

    • Glazing Contractors
    • Roofing Contractors
    • Masonry and Millworkers
    • Display Manufacturers
    • General Contractors

Woman Owned Business EnterpriseAluminum Supply Company is a certified Woman Owned Business Enterprise, Detroit Based Enterprise, Small Business Enterprise, and Wayne County Based Enterprise.

Perry Johnson Registrars, Inc.Aluminum Supply Company is in conformance with ISO 14001:2015.
View Certificate: C2016-02798-R1»
View Environmental Quality Policy»

ASCO is also certified with an ISO 9001:2015.
View Certificate: C2016-02799-R1»
View Quality Policy»

Full Certification List»

Supplier Performance Expectations»

ASCO Updates

70 Years


ASCO began by filling the demand for quality metal products in area.  With the success of that we expanded into fabricating architectural building products.  The quality of our custom metals became well known, allowing us to branch into manufacturing.
Today we continue this reputation.

Laser Cut Fabrication


With the addition of laser cutting, ASCO has stepped to the future of metal crafting in Detoit.  Check out laser.aluminumsupply.com, it is our website dedicated to the inclusion of laser cutting to our existing fabrication skill sets.

ASCO Linecard


Check out our quick reference sheet – Linecard (.pdf 2.2MB)

ASCO Completed Construction Project Spotlight

Recent Projects We've Supplied

Detroit, MI
See details»

St. Joseph Mercy Ann Arbor,
Ypsilanti, MI
See details»

Detroit Public Schools,
Detroit, MI
See details»

Avondale Middle School
Auburn Hills, MI
See details»

Aluminum Supply Company, along with Marshall Sales Inc., are subsidiaries of Marshall Holding Company. For more information about MHC: Click Here
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