Outbreak Information


Last updated 04/24/2020

Our companies remain fully functional.

We are open Mon-Fri 8:00AM - 4:30PM


To Our Valued Customers

Marshall Holding Company (Aluminum Supply Co. & Marshall Sales Inc.) continue to monitor the rapidly evolving coronavirus and its impact across the world. As a company we have taken many precautions to ensure the health and safety of our employees and facilities.

ASCO and MSI both qualify as an essential business due to being apart of the critical part supply chain along with manufacturing for the construction industry. We will continue operations at all locations and do our best to maintain the quality and service you expect.

Our staff are ready to assist with your metal and fastening needs.

Working Remotely

Some ASCO/MSI employees may be working remotely. If your communication/order is delayed, then call our office for immediate contact: 313-491-1700

Workplace Safety

We ask our staff to maintain a safe workplace to help minimize the transmission of this disease by following CDC recommendations: CDC- Workplace, School, and Home Guidance (.pdf)

We have increased cleaning procedures at our locations

We have no confirmed cases of coronavirus at our locations.

This information relfects the situation as it currently stands. We'll continue to evaluate the best course of action and update this page as information becomes available.


313-491-6462 (fax)


269-345-8440 fax