dunbar industrial projects
Headquartered in Toledo, Ohio
Offices in Metro Detroit, Cleveland and Columbus



Northwest Ohio is home to the glass industry in the United States. Dunbar's customers include:

  • Ardagh Glass (MA)
  • Guardian Glass
  • Johns Manville
  • Libbey Glass
  • Owens-Illinois
  • Pilkington
  • Technical Glass
  • Techniglass

Johns Manville - Waterville, Ohio

  • Glass furnace rebuild including fore hearth, forming room, batch house.  Piping systems included.
  • Design/Build chiller room renovation.
  • Furnace combustion air supply.
  • Repair ASME pressure vessels.
  • Installation of in-line weight systems.
  • Relocation of wiper rolls.
  • Binder system piping.
  • Cooling water system.
  • Fuel gas system
  • Atomizing air system.
  • Combustion air system.
  • Batch house renovation including conveyors, shakers and accumulators.
  • Miscellaneous utility lines.
  • Refurbish pot spray pump system.
  • Installation of new scrubber.

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Johns Manville - Defiance, Ohio

  • Unit 23 combustion piping and hot end expansion.
  • Line 89 forehearth rebuild.
  • Sluice water line installation.
  • Furnace rebuild.
  • Winder installation.
  • New binder system.
  • Miscellaneous other piping projects ranging from $300 to over $100,000.


Libbey Glass - Toledo, Ohio 

  • Cooling tower modification.
  • Plant compressed air upgrade. 
  • Completed on a design-assist basis.
  • Oxygen and gas piping renovation.
  • Con-saw rebuild.
  • Installation of packaging conveyor.
  • Backflow preventor installation.
  • Water service upgrade.
  • Variety of utility and process piping improvements.
  • Performance of a variety of maintenance/upgrade projects ranging from $200 - $25,000.
  • New LP gas line.
  • Chilled water line renovation.
  • Deionized water line installation.
  • New Thomas gas line.
  • Powerhouse reclaim water project.
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Dunbar Mechanical works for a variety of industrial customers including:

  • The Andersons
  • Church & Dwight
  • Georgia Pacific
  • Hanson
  • Rexam
  • Roppe Corporation
  • Sauder Woodworking
  • Stericycle
  • Toledo Ship Repair
  • Whirlpool


dunbar industrial projects
dunbar industrial projects

The Andersons - Toledo, Ohio

Emergency response to help our valued client, The Anderson's, get back on line after an unfortunate explosion is just part of Dunbar Mechanical's ongoing commitment to client service.


Church & Dwight - Old Fort, Ohio

  • Material Handling Equipment Installation
    • new silo, bucket elevator, stairs
  • Heat Exchanger Replacement
  • Production installation for Megalac
    - an Arm & Hammer Animal Nutrition Product

Sauder Woodworking - Archbold, Ohio

  • Sawdust to Steam energy co-generation plant.
    • Steam and condensate piping.
    • Over one mile of small bore self-routed pipe.
    • Pipe up to 36" in diameter
  • Turbine Installation
  • Plant HVAC and plumbing.
  • New process line installation.
  • Various utility piping projects.






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Roppe Corporation, Fostoria, Ohio

  • Process steam boiler and piping installation.
  • Autoclave fabrication and installation – 3 lines.
  • Paint booth installation.
  • Product line conveyors.
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dunbar industrial projects dunbar industrial projects



Dunbar's plastics industry customers include:

  • Blako
  • Lamson & Sessions
  • Liquid Container/Plaxicon
  • Norplas
  • Southeastern Container
  • UBE Industries

Norplas, Northwood, Ohio

  • Installation of four 4,000 ton Mitsubishi injection mold machines.
  • Installation of plastic pellet delivery system.
  • Connection of all process water and compressed air systems.
dunbar industrial projects
dunbar industrial projects dunbar industrial projects
dunbar industrial projects  


            Southeastern Container, Bowling Green, Ohio

Dunbar Mechanical continues to have our customers’ needs in mind and strives to provide best of class service. Dunbar Mechanical is more than a specialty contractor, we are your contractor. Contact the experienced professionals at Dunbar Mechanical for all of your mechanical contracting needs in northern Ohio and throughout Michigan. Call Don Yerks, Director of Marketing today at 419-537-1900 ext. 242 or email info@dunbarmechanical.com. We look forward to working with you soon.


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2806 N. Reynolds Road
Toledo, Ohio 43615

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