Resources to Accelerate Dealer Growth
Great Lakes Marketing Services, Inc.





Great Lakes Chemical Services, Inc.
SYNTEC-4 PERFORMANCE
Cooling System Service
Fuel System Service
Engine Oil Service
Oil Booster Service
Brake Service
We are the training and development company with the depth of resources needed 
to generate growth in every area of your dealership.
Great Lakes Companies ® 616 West Centre Avenue | Portage, MI 49024
With respect to everyone's health, we are a tobacco-free company. No lit, electronic, or smokeless tobacco or nicotine products are to be used or consumed on the premises.