Monday thru Friday 8-5 Saturday 8-12

49 S. Popular St.
Macungie, PA 18062

610-996-9636
msl1228@aol.com

1001 Mark Boulevard St.

New York, NY, US.

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Mon - Sat 8.00 - 18.00

Sunday CLOSED

Sales department

+01 2345 6789

About Master Supply Line

A family owned and operated business since 1989 in Macungie PA. Our goal is to bring our customers quality products at the lowest possible prices! Service and customer care are top priorities. We strive for excellence in product knowledge by continuing education for our employees and by staying up to date on the latest and greatest products to supply the Lehigh Valley!