LH Block Electric Company, Inc.

Built on experience.Powered by trust.

Commercial & industrial
electrical contractors in Bartlett

Serving Chicagoland since 1979.

Request a quoteView our projects
Storefront and LH Block service van at Andy’s Frozen Custard
Andy’s Frozen CustardMelrose Park · Restaurant constructionView project ↗
J.Crew Factory brick storefront and exterior sign
J.Crew FactoryNorthbrook · Retail buildoutView project ↗
Commercial storefronts at The Overlook at Oakbrook
The Overlook at OakbrookOak Brook · Commercial shell constructionView project ↗
OFFICES, RETAIL & TENANT SPACES

COMMERCIAL

From tenant improvements to new construction, we coordinate electrical work with the people and schedules that keep your project moving.

Explore Build-Outs & Renovations
Machine rows and overhead lighting at the Bloomingdale CNC shop
CNC Machine ShopBloomingdale · Equipment power and lightingView project ↗
Transformer, disconnects and electrical distribution at Santa’s Village Polar Dome
Santa’s Village Polar DomeEast Dundee · Power distribution & chiller powerView project ↗
Electrician beside conveyor equipment during an evening service call
Midwest SaltChicago · Conveyor power repairView project ↗
FACILITY WIRING & EQUIPMENT POWER

INDUSTRIAL

Power for the equipment your operation depends on. Facility wiring, distribution upgrades, and machinery connections planned around your production needs.

Explore Electrical Installations
Overhead lights above warehouse racks and an aisle
Garrett Popcorn WarehouseAurora · Warehouse lightingView photo +
Ceiling lighting over display cabinets and the retail sales floor
J.Crew FactoryNorthbrook · Retail lightingView project ↗
Illuminated hexagonal merchandise display shelves
Christofle ChicagoChicago · Display lightingView photo +
LED RETROFITS & LIGHTING CONTROLS

LIGHTING & ENERGY SAVINGS

Bring better lighting to your building with LED retrofits and controls. We also assist with ComEd incentive paperwork for qualifying projects.

Explore Lighting Upgrades
WHAT WE DO

Electrical expertise.
From plan to power.

Find the right support for a new installation, a growing facility, or the electrical work on your list.

Electrical system design & installation

Built around the way your facility works.

Power distribution & upgrades

Power for what comes next.

Lighting installation & LED retrofits

Better light for the work you do.

Preventive maintenance & repairs

Keep your facility moving.

Tenant build-outs & renovations

Make the space work for your business.

Commercial EV charger installation

Bring charging to your property.

EV charging site assessment & design

Start with a plan for your site.

Generator installation & backup power

Plan for the unexpected.

1979

Family-owned since 1979

FAMILY-OWNED. PERSONALLY INVOLVED.

Good work builds
lasting relationships.

LH Block brings generations of electrical experience to businesses across Chicagoland. Our owners stay involved, and our team focuses on practical solutions and clear communication.

Our story
FEATURED PROJECTS

Experience you can see.

View all projects
LOCAL ROOTS. REGIONAL REACH.

Based in Bartlett.
Built for Chicagoland.

Our office at 1281 Humbracht Circle, Suite K, in Bartlett is the base for our commercial and industrial work. We serve nearby businesses in Bloomingdale, Hanover Park, Streamwood, Carol Stream, and the wider western and northwest suburbs, with projects across Chicagoland and Northern Illinois.

Electrical services in Bartlett
See our full service area
BartlettChicagoBloomingdaleElginSchaumburgNapervilleWestern SuburbsNorthern Illinois
LET’S GET TO WORK

What’s next for your facility?

Tell us about your project, equipment, or electrical service need.

Discuss your project