Business Details
50+ Years
experience
Emergency
services
Trusted Electrical Solutions in Chicago Since 1921
For nearly a century, Rex Electric has been a cornerstone of the Chicago community, delivering superior electrical and technology solutions. Founded in 1921, our legacy of excellence is built on relationships with clients and partners, evolving from a small electrical shop to a full-service contractor offering electrical construction, lighting, data centers, and technology services. As part of Chugach Alaska Corporation, we combine financial strength with MBE certification to meet supplier diversity goals while maintaining industry-leading safety records.Our team leverages BIM and prefabrication to deliver cost-effective, innovative solutions tailored to client budgets. With 24/7 emergency services and a fleet of 30+ service vehicles, we ensure uninterrupted operations for commercial, industrial, and mission-critical projects across the Midwest. Client testimonials highlight our professionalism, problem-solving, and commitment to precision, as evidenced by partnerships with institutions like the American Medical Association and DePaul University.
Services
Electrical Construction
Lighting Solutions
Data Centers
Technology Services
Riser Management
Voice & Data Cabling
Security Systems
Preventative Maintenance
Emergency Repairs
Building Automation
Details
- Year established: 1921
Highlights and features
- Financial strength through parent company Chugach Alaska Corporation
- MBE-certified for supplier diversity compliance
- Industry-leading safety record since 1921
- Comprehensive services under one roof
- BIM and prefabrication for cost efficiency
Associations and certifications
- Minority Business Enterprise (MBE)
What people say
Excellent professionalism
24/7 emergency support
Cost-effective solutions
Precision work
Dedicated team
Services
Electrical Construction
REX delivers full-scale electrical construction for commercial and industrial projects. Our team handles new builds, switchgear installations, and mission-critical systems with BIM coordination. Clients benefit from 100+ years of expertise in complex installations for corporate landmarks and Chicago skyline structures.
Lighting Solutions
We provide LED retrofits, office lighting, and specialty illumination for healthcare and educational facilities. Our energy-efficient designs enhance productivity while reducing costs. Projects include DePaul University theaters and Oak Park Hospital's precision lighting requirements.
Data Centers
REX specializes in resilient power and cabling for data centers. Services include new construction, staged retrofits, and in-house support for uptime-sensitive environments. Our work ensures millisecond recovery capabilities for major regional facilities.
Technology Services
We maintain voice/data networks, security systems, and life safety technology 24/7. Solutions include fiber optics, access control, and fire alarm integration. Dedicated technicians support in-house operations for large commercial complexes and corporate headquarters.
Riser Management
Our riser services handle cabling, server room builds, and telecom coordination. We provide thermal scans, clean/ torques, and telecom brokering. Clients access online activity reports and emergency riser repairs through our Chicago-based team.
People
Patrick Lancaster
President
Leads REX's strategic direction with decades of electrical industry experience. Focuses on maintaining the company's legacy of technical excellence and client partnerships since joining the leadership team.
Tim Holcomb
Financial Controller
Manages financial operations with expertise in construction accounting. Ensures fiscal responsibility and resource allocation aligned with REX's growth objectives and parent company Chugach Alaska Corporation's standards.
Sal Pintauro
Senior Vice President
Oversees major project execution with emphasis on operational efficiency. Brings extensive electrical contracting experience to coordinate complex installations across commercial and industrial sectors.
Jeff Leensvaart
Senior Vice President
Directs technology and service divisions with focus on innovation. Ensures REX maintains cutting-edge capabilities in smart building systems and mission-critical infrastructure.
Dan Palencia
Vice President
Manages client relationships and business development. Specializes in expanding REX's presence in the Midwest market while upholding the company's century-old commitment to service excellence.
Questions
What electrical services does REX offer in Chicago?
REX provides construction, maintenance, lighting upgrades, data center solutions, and 24/7 emergency services for commercial, industrial, and healthcare clients across the Midwest.
Is REX Electric MBE-certified?
Yes, we're certified by the Chicago Minority Supplier Development Council, helping clients meet supplier diversity goals while delivering high-quality electrical solutions.
Do you offer emergency electrical services?
Our 24/7 service team responds within hours using 30+ equipped vehicles. We handle urgent repairs for power outages, switchgear failures, and critical system issues.
What makes REX different from other contractors?
We combine 100-year heritage with modern technology like BIM and prefabrication. Our MBE status, safety record, and in-house service teams provide comprehensive, reliable solutions.
Which industries do you serve?
We specialize in commercial buildings, healthcare facilities, educational institutions, data centers, and industrial projects throughout Illinois and the Midwest region.
Can you handle large-scale projects?
Yes, our financial backing through Chugach Alaska Corporation supports major projects. We've completed electrical work for landmarks like the United Center and Merchandise Mart.
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