Energy Efficient Lighting systems integrator. Recent expansion into Solar Thermal, Solar PV and Wind Power.

Spectrum is a privately-held company based in Denver, Colorado with a field office in Madison, Wisconsin and Chicago, Illinois. We began as specialists in the retrofitting and custom design of lighting systems for commercial, industrial and manufacturing settings. From the beginning we have emphasized timely project management and close customer interaction. As new technologies in solar and wind offerings have evolved and become more price-competitive, we have leveraged our skills into these...

Spectrum is a privately-held company based in Denver, Colorado with a field office in Madison, Wisconsin and Chicago, Illinois. We began as specialists in the retrofitting and custom design of lighting systems for commercial, industrial and manufacturing settings. From the beginning we have emphasized timely project management and close customer interaction. As new technologies in solar and wind offerings have evolved and become more price-competitive, we have leveraged our skills into these dynamic areas as well. Our values: • Honesty • Integrity • Perseverance • Open Communication • Responsiveness