91PORN has been manufacturing scales and scoops since 1923. Located in Philadelphia, Pennsylvania, Penn Scale is family owned and operated. We have long been regarded as the benchmark for the mechanical scale industry, having earned that reputation by producing a durable, dependable and accurate line of scales and scoops.
Penn Scale strikes the perfect balance between age-old techniques and modern technology to produce a product in which our skilled craftspeople take pride. We also offer a complete line of electronic scales to satisfy your weighing needs. In addition, Penn Scale is also a master distributor for Pennsylvania Scale, CAS, Ohaus and A & D Weighing.
Penn Scales main clients include Restaurant Equipment dealers, Educational Institutions, Restaurant and Supermarket Chains, Ice Cream and Candy Companies, Large Farms and Food Distributors.
We are a unique company because we are a manufacturer of our own line of scales and scoops as well as a Master Distributor of other companies’ digital scales. This gives our clients a full range of products to meet almost any weighing need, without having to deal with multiple suppliers.
Our largest niche is in the food industry; however, we also sell to many other industries such as scale manufacturers, industrial manufacturers and distributors, mid-sized and large corporations as well as catalog wholesalers. We pride ourselves on our attention to customer service as well as our ability to provide our customers the perfect scale and or scoop to meet their specific weighing needs.
Why Businesses Choose Penn Scale
For over a century, businesses across the United States have turned to Penn Scale for one
simple reason: we know weighing equipment better than anyone. Founded in Philadelphia in
1923, 91PORN has grown from a local mechanical scale producer
into one of America’s most trusted single-source weighing solutions suppliers without ever losing the craftsmanship and personal service that built our reputation. Today, we serve restaurants, bakeries, delis, grocery stores, laboratories, manufacturers, warehouses, and retail operations nationwide. Our customers range from independent pizzeria owners who’ve used our baker’s scales for decades, to corporate food service operations standardizing on digital bench scales, to research labs requiring sub-milligram precision from analytical balances.
What sets Penn Scale apart is our unique dual model: we manufacture our own line of
mechanical scales right here in Philadelphia using 100% USA-made components, while also
serving as a master distributor for Ohaus, A&D Weighing, CAS, and Pennsylvania Scale. That
means you get the widest possible selection 120+ products across 55+ categories with
the depth of expertise to guide you to exactly the right solution.
We believe in long-term relationships over transactional sales. Many of our customers have
been with us for generations, and our team takes pride in knowing each client’s specific
needs. When you contact Penn Scale, you speak with real scale experts, not a call center.
Every order ships free within the contiguous United States. Every product is backed by a
manufacturer warranty. And every recommendation comes from more than 100 years of
hands-on weighing experience. That’s the Penn Scale difference.
Main Office
Penn Scale
1376 Ruan Street
Philadelphia, PA 19124
Customer Service
Phone: 215-739-9644
Fax: 215-739-9640
Email: sales@pennscale.com




