Welcome to Keystone Sales & Associates

Established in 1973, Keystone Sales & Associates (KSA) is the premier manufacturers’ representative for plumbing, heating, ventilation and air conditioning (PHVAC) products in the Mid-Atlantic region. Headquartered in Pottstown, Pennsylvania, the company is experiencing rapid growth and expansion by offering a large selection of related products from a single source. As a value-added supplier, KSA provides distributors and contractors with customer support and hands-on technical training through its professional development arm, Keystone University.

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About Us

Keystone Sales & Associates has come a long way from our humble beginnings. One of the attributes of our success is never forgetting where it started while blazing a trail of its own. Click the “About Us” bar at the top to learn more!

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Our Vendors

KSA represents the best brands in the PHVAC business – period. We represent the best so you can be your best. Click the “Our Vendors” bar at the top to learn more!

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Keystone University

Keystone University’s professional resources and trainings deliver value to hundreds of professionals working throughout the Mid-Atlantic Region to enhance their careers, improve organizational success and further mature the profession. Click the “Keystone University” bar at the top to learn more!

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Contact Us

With KSA, you’ll never receive computer-generated emails that don’t address your issue. And, you won’t get lost in a telephone maze to get the person you need. Instead, the right team specialist will quickly respond to you with the goal of providing premier customer service and the product knowledge you need, every time. Click the “Contact Us” bar at the top to learn more!