US · FMCSA ACTIVE
GREAT LAKES MECHANICAL SYSTEMS INC
dba D&W MECHANICAL
Traverse City, MI 49696 · DOT 1965607
Company profile
Web-discovered · as of 2026-07-30
Traverse City-based D&W Mechanical (Great Lakes Mechanical Systems Inc) is a mechanical contractor and HVAC provider servicing Northern Michigan. Operating a large fleet of service vehicles, they specialize in commercial and residential plumbing, heating, and cooling projects.
Fleet use
Specialized service
Operating scope
Regional
Service model
dedicated, own account
Equipment
box truck, specialized
Ownership
Private
Employees
51-200
Networks & associations
Home Builders AssociationTraverse City Builders ExchangeAssociated Builders and Contractors
Industries served
hvacplumbingconstruction
HQ · 1266 Industry Dr Ste A, Traverse City, Michigan, 49696, United States
Active website, recent LinkedIn posts (2026), and recent job postings.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
69
power units
Activity
road freight carrier
private licence
In operation since
2009
75 drivers
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