Master Supply Line

Master Supply Line Janitorial and Foodservice Supplies Your choice for Janitorial, Foodservice & Paper Supplies! Our retail store is open to the public.

At Master Supply Line we take great pride in our knowledgeable and friendly customer service. Our competitive pricing and fast reliable delivery service has been well known for the last 27 years. Family owned and operated, we service the Allentown, Bethlehem, Easton, Reading, Pottstown and surrounding areas. More of what we have to offer...
JANITORIAL: supplies, chemicals, equipment,
equipment

rental
PAPER SUPPLIES: paper towels, CFold towels, toilet tissue, and so much more! FOODSERVICE SUPPLIES: disposables and non-disposables
RESTAURANT & BAR SUPPLIES
PARTY PAPER GOODS: General & Seasonal

Community happenings
06/05/2026

Community happenings

16 venues, 6 towns! The Upper Perkiomen Valley is unique in that we are many small towns that are connected geographically and culturally. On June 21st, no matter where you are in the Valley, the music will be near you! We will have musicians in Sumneytown, Green Lane, Red Hill, Pennsburg, East Greenville, and Palm! Where will you be?

KN95 Masks $1.00 each
06/03/2026

KN95 Masks $1.00 each

12x12 deli sheet - $5.00Only one box left!!!!
06/03/2026

12x12 deli sheet - $5.00
Only one box left!!!!

Two part carbonless guest checks 250/pk. $5.00/pk.
06/03/2026

Two part carbonless guest checks
250/pk. $5.00/pk.

$10.00 - box of 11 pilsner glasses!!
06/03/2026

$10.00 - box of 11 pilsner glasses!!

Community happenings
06/02/2026

Community happenings

We are FOUR DAYS AWAY! We can’t wait to see you all there. We want to take the time to do some introductions over the next few days. Here is our AMAZING food truck line up! Come join us for a day of family fun, CPR education, yummy food trucks, and awesome vendors!🚑💙

Microfiber cloths & mittsWhether it’s a dusting or car washing mitt, pop up boxes, by the dozen or individual we’ve got ...
06/02/2026

Microfiber cloths & mitts
Whether it’s a dusting or car washing mitt, pop up boxes, by the dozen or individual we’ve got you covered!!!

05/28/2026
Taco Tuesday!! With chips, salsa and margaritas on the side!! 🌮 😋
05/26/2026

Taco Tuesday!! With chips, salsa and margaritas on the side!! 🌮 😋

Graduation is right around the corner! Celebrate with party supplies from MSL!!Congratulations Class of 2026!
05/26/2026

Graduation is right around the corner! Celebrate with party supplies from MSL!!
Congratulations Class of 2026!

Address

49 S Poplar Street
Macungie, PA
18062

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 12pm

Telephone

(610) 966-9636

Website

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