Discover Keystone

Since 1945, Keystone has manufactured exceptional quality ballasts for North America’s best known lighting fixture manufacturers. We continue to evolve and grow to stay current with the latest technology and meet the demands of today's marketplace. You will find our products installed by many of the world’s leading lighting fixture manufacturers and contractors. They choose Keystone because of our commitment to engineer only the best ballast products for the market.
We provide our customers with the most common standard ballast products as well as many custom ballasts that are not available from other manufacturers. Our line continues to grow to meet the changing demands of the lighting industry. We stand behind our products and are only satisfied when we have exceeded our customers' expectations. This commitment has made us a leader today and you can count on us to be the leader tomorrow.
Customer Service
Keystone's legacy of truly personal service remains as strong today as when our company was founded in 1945. We work hand-in-hand with our customers to ensure they receive the best products and services available. Our uncompromising commitment to customer satisfaction through service keeps our customers returning to us as their first choice for high-quality ballast products.
Product Value
We recognize the importance of making sure our customers stay competitive when reselling or installing our ballast products. Because of this, we continually seek new ways to deliver breakthrough value to our customers by offering competitive pricing as well as products with industry-leading dependability. Contractors and fixture manufacturers happily select Keystone Technologies when managing the Total Cost of Ownership is of utmost importance.
Quality and Performance
Utilizing our team of the most highly regarded engineers in the industry, we develop our products with a focus on lasting quality, energy efficiency, and reliability. Our products don’t come to market until they have passed rigorous quality assurance procedures, with zero tolerance for "less than ideal" performance. Customers have come to depend on Keystone as their preferred source for outstanding ballast products.
Custom Orders
If your specifications exceed what we currently offer, Keystone has the capabilities to be your partner in designing and building custom products to meet your requirements. Click here to learn more about our custom product capabilities.
Now Keystone Technologies' full line of ballasts is available to electrical and lighting distributors via our network of 12 distribution centers across the USA:
LED Drivers • Low Voltage Transformers • Emergency Ballasts
Contact us today to discover a better ballast company.
Keystone Technologies, LLC • P.O. Box 246, Ambler PA 19002 • Phone (800) 464-2680 • Fax (215) 628-4412
WAREHOUSE LOCATIONS: Atlanta, GA • Charlotte, NC • Chicago, IL • Dallas, TX • Houston, TX • Los Angeles, CA Memphis, TN • Miami, FL • Indianapolis, IN • Pennsauken, NJ • San Francisco, CA • Syracuse, NY