• Awesome Customer ServiceAwesome Customer Service
    Awesome
    Customer Service
  • Free SamplesFree Samples
    Free
    Samples
  • Fast QuotesFast Quotes
    Fast
    Quotes
  • Quick DeliveryQuick Delivery
    Quick
    Delivery
  • Industry Leading WarrantyIndustry Leading Warranty
    Industry-leading Warranty
  • We Are US BasedWe Are US Based
    We Are
    U.S. Based

Whether it’s a job quote you need right away, a field service issue that requires immediate attention, help on a special project, or an expedited shipment, Keystone is always focused on you, our most appreciated customer.

We offer free samples, so you can see our products, try our products, and test our products – in person, with nobody looking over your shoulder. All you have to do is ask.

Our customer service team knows what questions to ask and what details are needed to get you a complete answer. So, when you need a job quote, call Keystone. You can expect a reply from us within a few hours.

We pledge to ship most items the very same day you place your order. With 14 distribution centers, Keystone can deliver in 48 hours anywhere in the United States. Need it even faster? Same-day pickup is available.

We’re confident you’ll be completely satisfied with our products. But if you need to return a product, we don’t ask questions, but provide a full refund or a replacement at no cost. We’re always willing to work with you – just ask!

Keystone was founded in Philadelphia in 1945, and we’re proud to be an American company, with manufacturing hubs across the country. Many of our products qualify as “Made in America,” making users eligible for rebates.

RGB Light Made Easy Red Horizontal Black

Keystone is Light Made Easy®

We believe lighting should be simple, hassle-free, and enjoyable: Light Made Easy. That means making it easy for our customers and partners every step of the way, from manufacturing and ordering to shipping and installation.

With that mission, we believe we’re changing the way people think about lighting.

Who is Keystone Technologies

One-stop Shop

We know you value convenience and efficiency, so make Keystone your one-stop shop for all your lighting needs. You’ll find the latest in LED lamps, modules and light engines, fixtures, power supplies, and controls. With distribution centers across the United States, we’re right around the corner from you.

We develop custom solutions

We fulfill industry needs with innovative products, designed and advanced quickly. Need a custom solution? Our Engineering and Product Development teams will design and produce to your specifications — no matter the color, material, size, or capabilities. Whatever you need, you can count on Keystone for quality and reliability.

custom solutions product development at Keystone
Keystone Headquarters Main Entrance

Join the Team

Be a part of the Keystone family

At Keystone, our engaged and collaborative team members are supported to reach their full potential in a welcoming, energetic, and fun atmosphere. Want to be a part of it? You’ve come to the right place.

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Circleville Case Study

Case Study

Ohio school system takes control
Read how SmartLoop allowed Ohio’s Circleville City Schools take advantage of daylight harvesting, occupancy sensing, and scheduling — simply and easily.

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Keystone CEO Ira Greenberg Named an Entrepreneur Of The Year® 2023 Greater Philadelphia Award Winner

News

Keystone CEO Ira Greenberg Named an Entrepreneur Of The Year® 2023 Greater Philadelphia Award Winner

The winners of Entrepreneur Of The Year, an honor founded and produced by EY US, are selected by an independent judging panel made up of previous award winners, leading CEOs, investors, and other regional business leaders.

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Happy Customers

Cigna
Septa
University of Pennsylvania
Midas
Pfizer
Pepsi
Frito Lay
NASA
Naked Juice
Gatorade
United Nations
Times Square Alliance
Sprouts Farmers Market
Bristol Myers Squibb
Philadelphia Eagles
BD
Temple University
Lukoil Oil Company
Berkshire Hathaway HomeServices
Villanova
Keystone LIVE! Video

Keystone LIVE!

Keystone LIVE! is Keystone’s demonstration and presentation space, located at our headquarters near Philadelphia. Discover Keystone products, services, and innovations — and find out what Light Made Easy can mean for you.