1978
Est. 1978 — Employee Owned

We Build
What
Endures.

From supertall towers to critical infrastructure — William & Co Towers Corporation delivers full-service construction across North America with 6,400+ employee-owners invested in every outcome.

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Meridian Tower — Chicago
Buildings
Meridian Tower — Chicago
Harbor Crossing Bridge — Portland
Civil
Harbor Crossing Bridge — Portland
Solaris Energy Campus — Phoenix
Industrial
Solaris Energy Campus — Phoenix
Lakeview Data Center — Austin
Technology
Lakeview Data Center — Austin
2,500+
Projects
$18B+
Project Value
48yr
Track Record
6,400+
Employees
Buildings
Commercial, civic, and high-rise structures.
Civil
Highways, bridges, rail and marine.
Industrial
Energy, process and heavy industry.
Healthcare
Hospitals and medical campuses.
Technology
Data centres and mission-critical.
Sustainable
Net-zero and renewable energy.
Our team
100%
Employee Owned
Who We Are

Built on ownership.
Driven by pride.

Since 1978, William & Co Towers Corporation has been delivering landmark projects across North America. As a 100% employee-owned company, our team members have a direct stake in every project we touch — which is why our clients get better outcomes, and why our safety record speaks for itself.

From a Chicago general contractor to a multi-national construction group, our 48-year track record spans buildings, civil, industrial, and sustainable markets — with over 2,500 projects and $18B+ in delivered value across four countries.

Safety First
Industry-leading TRIR. Zero is the only target.
Employee Owned
ESOP since 1995. Your success is ours.
Innovative
Digital twin, BIM, autonomous site monitoring.
Sustainable
Net-zero target. LEED delivery across markets.
Our Story →
Selected Work

Featured Projects

All Projects →
Meridian Tower
Buildings
2024

Meridian Tower

$820M
Chicago, IL

62-story mixed-use skyscraper redefining Chicago's skyline. Delivered 3 weeks early, zero safety incidents.

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Harbor Crossing Bridge
Civil
2023

Harbor Crossing Bridge

$340M
Portland, OR

Longest cable-stayed bridge in the Pacific Northwest. 1.4 km span, opened 6 weeks ahead of schedule.

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Solaris Energy Campus
Industrial
2023

Solaris Energy Campus

$1.1B
Phoenix, AZ

500 MW utility-scale solar facility across 3,200 acres. Powers 150,000 homes annually.

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2,500+
Projects Completed
Across North America, Australia & the Caribbean.
$18B+
Total Project Value
From infrastructure to supertall towers.
6,400+
Employee Owners
Invested directly in every outcome.
48yr
Track Record
Founded in Chicago. Growing every year.
BUILD

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Buildings // Civil Infrastructure // Industrial // Sustainable Build // Healthcare // Technology // 48 Years Strong // 100% Employee Owned // Safety Excellence // Design-Build // BIM // Zero Incidents // Buildings // Civil Infrastructure // Industrial // Sustainable Build // Healthcare // Technology // 48 Years Strong // 100% Employee Owned // Safety Excellence // Design-Build // BIM // Zero Incidents // Buildings // Civil Infrastructure // Industrial // Sustainable Build // Healthcare // Technology // 48 Years Strong // 100% Employee Owned // Safety Excellence // Design-Build // BIM // Zero Incidents //