Great Lakes Systems Inc Employee Directory

Q: What is Great Lakes Systems Inc known for?

Great Lakes Systems Inc was founded in 1969. Great Lakes Systems Inc operates in the Construction industry.

Q: How many employees does Great Lakes Systems Inc have currently?

Great Lakes Systems Inc has approximately 26 employees.

ConstructionMichigan, United States11-50 Employees

We exist to keep our customers dry. If you need a new single-ply commercial, industrial or institutional roof—whether you’re a building owner, architect, general contractor or facilities manager—you’re in search of a roofing contractor you can trust. You’ve come to the right place.

To date, we’ve applied over sixty-million square-feet of single-ply roofing including projects ranging from just a few squares to major industrial plants of nearly one-million square-feet.

Great Lakes Systems is an approved applicator for Carlisle SynTec, Firestone Building Products, Duro-Last Roofing and Johns Manville.

Find Great Lakes Systems Inc employees' phone numbers or email addresses

Great Lakes Systems Inc Global Highlights

North America
37

United States Of America
36
Canada
1

Great Lakes Systems Inc's Leadership

J. L.
Vice President Of Business Development
Mobile Phone
Email
K. C.
President
Mobile Phone
Email
J. M.
President
Mobile Phone
Email
B. H.
Preventive Maintenance Director
Mobile Phone
Email
D. E.
Director Of Computer Technology
Mobile Phone
Email
J. M.
Director Of Operations
Mobile Phone
Email
T. R.
Product Manager
Mobile Phone
Email
M. T.
Senior Project Manager
Mobile Phone
Email

Great Lakes Systems Inc Employee Metrics

100%

50%

2026

2025

Business
Program & Project Management
Human Resources
Accounting
Administrative
Other

Contact profiles from Great Lakes Systems Inc

Name

Title

Contact Info

Location

Last Update

J. T.
Mobile Phone
Email
UNITED STATES
Mar 07, 2023
J. T.
Mobile Phone
Email
UNITED STATES
Mar 07, 2023
T. V.
Mobile Phone
Email
UNITED STATES
Mar 07, 2023
J. G.
Fire Alarm/ Fire Extinguisher Technician/ Parts Delivery
Mobile Phone
Email
Nov 12, 2025

Frequently Asked Questions

What is Great Lakes Systems Inc known for?

Great Lakes Systems Inc was founded in 1969 operates in the Construction industry. The company's main headquarters is located in 2286 Port Sheldon Court Jenison, Michigan 49428 United States; you can contact the main corporate office by phone at

+1-616-669-****

. Explore Great Lakes Systems Inc's company overview page for more information.

What is Great Lakes Systems Inc's most common email format?

Great Lakes Systems Inc employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Great Lakes Systems Inc email formats with LeadIQ.

How many employees does Great Lakes Systems Inc have currently?

Great Lakes Systems Inc has approximately 26 employees as of February 2026. These team members are located across 1 continents, including North America.

Who are Great Lakes Systems Inc's key employees and leadership?

As of February 2026, Great Lakes Systems Inc's key employees include:

Vice President Of Business Development: J. L.
President: K. C.
President: J. M.
Preventive Maintenance Director: B. H.
Director Of Computer Technology: D. E.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.