Whether you're powering new fixtures or replacing legacy illumination, we have all types of lamps — tubes, LED HID replacements, screw-in lamps, and even UV-C — for residential and commercial use.

Keystone can supply indoor and outdoor fixtures for any job and application— commercial or residential, large or small, from dedicated offerings to fixtures with adjustable outputs and integrated controls.

Keystone started as a ballast manufacturer and now offers a full range of products, including unique emergency solutions, programmable USB drivers, and power supplies for germicidal UV-C products.

From standalone motion and daylight sensors to simple-to-install wireless controls, Keystone has control solutions that help you save on energy, time, and maintenance.