CLI Services specializes in supplying lighting, electrical and sign services to commercial, industrial, and government clients. Our focus on efficiency and sustainability helps us provide the highest quality energy solutions for our customers that produce winning results. Family owned and operated since 1977, we’re committed to building a financially and structurally sound organization that ensures a prosperous future for both our customers and employees. From complicated lighting projects, sign installations to maintenance, you can rely on the CLI Team for all your commercial lighting and electrical needs.

Join us as we effectively and efficiently reduce our impact on the earth through conservation and alternative power sources while improving your work environment and lowering your energy budget. We are your energysaving, environmental sustainability specialists!

CLI Services  has been dedicated to serving and sustaining the state of Colorado since 1977. Through active involvement with our customers, suppliers, energy companies, and the illumination industry at large, we continue our tradition of innovation, sustainability, and service.

To find out more about who our electrical contractors are and where we come from, check out the following links:


CLI Services specializes in supplying lighting and electrical services to commercial and industrial clients.

Capabilities Statement

For contracting purposes, an overview of our lighting and energy service capabilities.

Affiliations and Awards

Industry leadership and development helps us help you. Find out more about what we are doing industrywide and how our lighting company has garnered so many accolades.


Established in 1977, CLI continues to provide our customers with quality energy services and products.

Industry Certifications

Industry certifications mean that we maintain our service qualities and standards for you, giving you the best possible illumination experience. Our energy solutions are tailored to provide the best possible outcome for your business.

Sustainability Efforts

Environmental responsibility helps everybody. Find out more about what we can do together for our environmental sustainability through partnership and industrial lighting services.

Contact us now if you have any questions Our electrical contractors are here to help!

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