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

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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 ISO Registrars LogoAluminum Supply Company is in conformance with ISO 14001:2004.
View Certificate: C2008-02695-R2»
View Environmental Quality Policy»

ASCO is also certified with an ISO 9001:2008.
View Certificate: C2011-02659»
View Quality Policy»

Supplier Performance Expectations

ASCO Updates

Happy Independance


In recognition of our country’s 237th year of  independence; ASCO will be closed July4th – July  7th.  The machinery will be fired up and our trucks on the road July 8th.  Have a great weekend!

Maryland DOT Certification


ASCO is proud to announce our MBE/DBE certification with the Maryland Department of Transportation.  To view all of our certification, Click Here»

Newsletter is Back


Be sure to sign up. Our monthly newsletter is back with more information on our products the industry.

12/20 Phone System Upgrade


Our phone system will be upgraded 12/20/2012.  Calls will be forwarded to cell phones, and we will do our best to keep communications open.  Additional contact information can be found here»

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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