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Unparalled Customer Service!

M&J Roofing Supplies and J&M Window Mfg. is a family owned and operated business.  Every member of our staff is highly knowledgeable and will strive to make sure you get the top quality products you need.
We have been in the tri-state area since 1964. We sell to the general public. No job is too big or too small.  
Stop down and see our showroom!
If you're looking for high quality and personal service, you've come to the right place. At M&J Supplies - J&M Windows we’ll give you the attention and personal service you'll come to expect and enjoy.

We do screen and glass repairs
Same day service in most cases!
We also make screen and glass replacements. 
Proud Supporter of American Made Products!
We fill propane tanks
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1964 - 2014
Celebrating our
Email us: Sales@mandjsupply.com