CLI Services is a full-service lighting, electrical and commercial sign contractor.  We proudly offer our customers sustainable, energy efficient solutions through (1) specifying quality products that produce the greatest energy and maintenance savings, while meeting the customer goals, (2) supplying and installing the new lighting, sign and electrical products and (3) offering maintenance programs to enhance the performance of the lighting and signage installed. We are committed to providing an excellent customer experience while creating long term relationships that produce winning results for everyone involved.

CLI Services was founded in 1977 and is a certified woman owned company. We employee certified sign and lighting technicians, journeymen and master electricians, journeyman sign installers, certified crane operators, welders, lighting consultants, project managers, engineers, permit processors, and warranty administrators.  Our expansive fleet includes 60’ bucket trucks, cranes that reach to 110’ and scissor lifts allowing us to reach all heights necessary. We offer 24-hour on-call service to our customers. Our crews drive fully stocked trucks which are equipped with GPS locating software and utilize electronic tablets to complete their work.

Markets served:  Commercial, Industrial & Government

Please find listed below a breakdown of our services:


Interior & Exterior lighting projects – retrofits, LED upgrades, and group relamping. Full-service rebate department with on staff rebate project specialist. Pole installation.


Interior & Exterior lighting maintenance with monthly inspection and service contracts to meet your needs.  We can provide CAD layouts of a facility that detail the electrical equipment and lighting fixture locations. Structural pole inspections.


All types of electrical contract and service work. We specialize in lighting control systems, measurement & verification, underground location, computer wiring, code compliance and permit acquisition.


We design, manufacture and install all aspects of commercial signage. Including, but not limited to electronic message centers, monument signs, pylon signs and banners.  We also offer comprehensive sign plans for new commercial developments.  We maintain a complete fleet of crane trucks and service vehicles with experienced crews that are crane and welding certified to handle all types of sign work.


Energy audits, detailed energy analysis, financing and rebate money from local utility providers.  We are actively involved with the utility incentive programs and can assist companies with taking advantage of all tax incentives.


We’re committed to offering our customers the most updated information and services on the disposal and recycling of lamps and ballasts as well as other hazardous waste.


Consultation and evaluation of your present lighting and/or electrical system to determine the best solution for your specific needs.  We have sophisticated lighting layout software to assist with the design of your lighting system.  Our on-staff lighting consultants and engineers have earned CLEP, CLMC, LC and LEED-AP certifications.


We offer consultations and installation for Controls, EV Charing Stations, Thermal Imaging and mapping, 5G Cellular Poles, Wireless and low voltage security camera systems, Life Safety Lighting Design.

We have a very comprehensive safety program, designed specifically for our industry.  We are bonded and insured.  References available upon request.

Corporate Headquarters

1831 East 73rd Avenue Unit B

Denver, CO 80229



*Colorado, Arizona, Texas, New Mexico, Oklahoma  *Corporate Headquarters


DUNS   102568615

FED ID# 84-0925581


236220, 238210, 423610, 561790, 541350, 541690, 541490, 423440,339950, 399300, 399301, 399399


5935, 5970, 5977, 5998, 5999,

6105, 6110, 6125, 6130, 6145,

6210, 6240, 6625


J059, J060, J061, J062, N042, N059, N062, Z111, Z112, Z119, Z131, Z141, Z142, Z152, Z153, Z173, Z174, Z199


CLMC:    Certified Lighting Management Consultant

LC:           Lighting Consultant

CLEP:      Certified Lighting Efficiency Professionals

CALT:      Certified Apprentice Lighting Technical

LEED AP: Leadership in Energy & Environmental Design Accredited Professional

NCCCO:   National Commission for the Certification of Crane Operators

3G & 4G:   Welding Certified

WBENC: WBE1700041

WOSB: WOSB170322

Woman Owned & Operated