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Great Lakes Systems Inc Employee Directory

ConstructionMichigan, United States11-50 Employees

Great Lakes Systems Inc operates in the construction sector, specializing in single-ply roofing for commercial, industrial, and institutional buildings. Based in Jenison, Michigan, the company serves building owners, architects, general contractors, and facilities managers, delivering roofing solutions aimed at keeping structures dry and protected. With a track record of applying over sixty-million square feet of single-ply roofing, it demonstrates capability across a range of project sizes—from small scopes to large industrial facilities. The firm is an approved applicator for multiple roofing material manufacturers, reflecting an established position within the single-pply roof market. In June 2024, the company announced a partnership with Weather Shield Roofing Systems, signaling collaboration on roofing maintenance and reroofing within West Michigan.

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

Great Lakes Systems Inc Global Highlights

Location
Employees

North America
29

Minus sign iconPlus sign icon
  • United States Of America
    28
  • Canada
    1

Great Lakes Systems Inc's Leadership

  • Stylized image of a person
    D. E.
    Director Of Computer Technology
    Mobile Phone
  • Stylized image of a person
    M. T.
    Senior Project Manager
    Mobile Phone
  • Stylized image of a person
    M. K.
    Project Manager
    Mobile Phone
  • Stylized image of a person
    T. G.
    Service Manager
    Mobile Phone
  • Stylized image of a person
    J. G.
    Fire Alarm/ Fire Extinguisher Technician/ Parts Delivery
    Mobile Phone

Great Lakes Systems Inc Employee Metrics

100%
50%
0%
2026
2025
  • Business
  • Program & Project Management
  • Human Resources
  • Accounting
  • Administrative
  • Other

Contact profiles from Great Lakes Systems Inc

Name
Title
Contact
Location
Last Update
  • Stylized image of a person
    D. E.
    Director Of Computer Technology
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    M. T.
    Senior Project Manager
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    M. K.
    Project Manager
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    T. G.
    Service Manager
    Mobile Phone
    Jan 26, 2026
  • Stylized image of a person
    J. G.
    Fire Alarm/ Fire Extinguisher Technician/ Parts Delivery
    Mobile Phone
    Nov 12, 2025

Frequently Asked Questions

What is Great Lakes Systems Inc known for?

Minus sign iconPlus sign iconGreat Lakes Systems Inc was founded in 1969 operates in the Construction industry; 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?

Minus sign iconPlus sign iconGreat 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?

Minus sign iconPlus sign iconGreat Lakes Systems Inc has approximately 26 employees as of August 2026. These team members are located across 1 continents, including North America.

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

Minus sign iconPlus sign icon

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

  • Director Of Computer Technology: D. E.
  • Senior Project Manager: M. T.
  • Project Manager: M. K.
  • Service Manager: T. G.
  • Fire Alarm/ Fire Extinguisher Technician/ Parts Delivery: J. G.

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