Mechanical Service, Inc.

  • air conditioning-heating installation, repair
  • plumbing, plumbers, plumbing suppliers
  • general contractors
  • electrical contractors & suppliers
1144 Monmouth Boulevard
Galesburg, IL 61401
(309) 342-8136
(309) 342-4195 (fax)
Monday through Friday from 7:30AM to 4:30PM
Technicians on Call 24 Hours a Day, 7 Days a Week
  • About

    MSI was incorporated as in March of 1972 as a merger of two of the Galesburg area’s most prominent mechanical contractors, Stigner Plumbing & Heating, Inc. and John R. Holt, Inc. Since then, MSI has become synonymous with tremendous service and quality craftsmanship for a fair price.

    As time went on, MSI expanded to service the Peoria area and has thrived in that market as well. In June of 2013, MSI purchased Du-Mont Company in Peoria and has transformed the operation into on

  • Directions

    MSI's corporate offices are located less than a mile southwest from downtown Galesburg on Monmouth Boulevard, approximately a quarter mile from the Henderson Street/Monmouth Boulevard junction.