Main Office and Warehouse

85 Ames Street
Marlborough, MA 01752
800-345-3232 | 508-573-5300
sales@centralsteelsupply.com

Business Hours: Monday – Friday, 7:00 AM – 6:00 PM

View our location on Google Maps.

CAD File or Job Spec Submissions

There are several ways to submit your part files, shop drawing, and CAD drawings:

Request a Quote or Sales Visit

When you’re ready to request a quote on our steel offerings for your next project, please fill out the form below. One of our representatives will reply shortly.

Our professional outside sales team also performs on-site consultations for your convenience. We’ll come to your location and discuss your steel needs and help you streamline material supply.

Need to speak with someone right away? Give our sales team a call directly during our business hours of 7:00 AM and 6:00 PM.

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Mailing and Payment

Standard Remittance Address

To make payments to Central Steel Supply by mail, use the following address:

Central Steel Supply Co.
Department 4280
PO Box 986500
Boston, MA 02298-6500

Overnight Mail Address

To send us documents overnight or make expedited payments, please send mail to

Central Steel Supply Co.
c/o Lighthouse Payment Services
320 Libbey, Industrial Parkway, Suite 500
Weymouth, MA 02189

Why Choose Central Steel Supply?

As a leading steel service center, we maintain an extensive inventory of millions of pounds of steel to ensure rapid fulfillment for our customers. Drawing on our expertise in advanced processing techniques—including CNC machining, high-definition plasma cutting, and beyond—we deliver materials precisely to your required dimensions and specifications. In many cases, same-day pickup or next-day delivery is available within our primary service region.

Not sure exactly what you need? Our team is ready to guide you through available options, current stock levels, and realistic timelines. Reach out today to get started.