9 Brothers Building Supply is your leading metalrebar & rodwire meshmetal concrete form accessory supply company!

Brentwood Metal

9 Brothers Building Supply carries a selection of Brentwood metal supplies for masons and pool builders. Find the rebar, rods, wire mats & mesh, brackets, and accessories you need to assist and complete your commercial or residential projects. Stop in at one of our locations in Brentwood or Riverhead to see our full selection of metal products and let us help bring your projects to completion!

Stop in or get in touch!

Brentwood Location


1670 Islip Ave. 
Brentwood, NY 11717

Riverhead Location


28 Mill Road
Riverhead, NY 11901


We’ll help you through the process


Forklift & Boom Service

a mini crane service for tight or hard to reach delivery spots!

Delivery Service

with our fleet of ready to haul trucks anywhere on Long Island, NYC & 5 Boroughs

Consult Us

to build your dream backyard, driveway, landscape, pool, or patio!

Delivery across Long Island, NYC, and the 5 boroughs

Construction Site Delivery

Local Pickup

Home Delivery

Contractor & Local Business Deliveries