Northern Illinois Mack, Inc.
22570 West Highway 60 
Grayslake, Illinois 60030 
Phone: (847) 223-6666 
Fax: (847) 223-9103
 
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Northern Illinois Mack, Inc.
301 North 30th Road  
LaSalle, Illinois 61301 
Phone: (815) 224-4747 
Fax: (815) 224-4795
 
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Rockford Truck Sales & Services, Inc.
4301 N. Bell School Road  
Loves Park, Illinois 61111 
Phone: (815) 639-2000 
Fax: (815) 639-0100
 
 
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