LH BLOCK ELECTRIC · EST. 1979
Power for
what’s next.
Commercial & industrial
electrical contractors.
New spaces. New equipment. New possibilities.
Electrical experience that moves your business forward.

COMMERCIAL & INDUSTRIAL ELECTRICAL SERVICES
What’s next for your business?
Explore the electrical support that fits your project.
Equipment & power
Lighting & EV charging
Service & backup power
Not sure where to start? Tell us what you’re planning.
OUR WORK IN PRACTICE
Real work.
Lasting impact.
From production floors to parking lots, see the work behind the promise.
View all projects
Eco Plastics
POWER DISTRIBUTION & SERVICE UPGRADES
An industrial facility needed new service and distribution. LH Block installed a 3,000-amp system with underground utility infrastructure.

Village Square of Northbrook
LIGHTING & NETWORKED CONTROLS
To address aging, flickering fixtures, we modernized the parking-lot lighting and coordinated networked controls across all 81 lights.

Naperville EV Charging Station
COMMERCIAL EV CHARGING
Equipment lead times threatened a tight deadline. Coordinated sourcing and construction delivered an energized charging site within 60 days.
FAMILY-OWNED. PERSONALLY INVOLVED.
A family name.
A personal commitment.
Since 1979, LH Block has built relationships through practical electrical work and personal involvement. Our owners stay connected to the work, from planning and coordination to the needs of your facility.
Meet the teamPlan your next electrical project.
Practical answers, useful checklists, and lessons from our work.
Adding a machine ↗Planning for more power ↗Improving lighting ↗Adding EV charging ↗LOCAL ROOTS. REGIONAL REACH.
Based in Bartlett.
Working across Chicagoland.
Serving businesses throughout the western and northwest suburbs, Chicago, and Northern Illinois.
Explore all areas we serveLET’S GET TO WORK
Let’s build what’s next.
A new building, another machine, better lighting, or an electrical issue that needs attention—tell us what you have in mind.






