Air Tech Inc
J. William Jensen
3419 Pierson Place
Flushing
MI 48433
Phone: 810-230-6202
FAX: 810-230-6208
E-Mail: atugvac@aol.com
Types of Work: Commercial, Industrial, Institutional, Service Repair
Fields of Work: Air Conditioning, Clean Room, Controls, Process Piping, Sheet Metal, Ventilation, Heating, Remodeling/Modernization

Anderson Air Conditioning
Richard Adams
201 N Hosmer
Lansing
MI 48912
Phone: 517-372-3100
FAX: 517-485-5812
E-mail: andersonac@earthlink.net
Types of Work: Commercial, Government, Industrial, Institutional, Service Repair
Fields of Work: Air Conditioning, Controls, Sheet Metal, Heating, Prefabrication, Refrigeration/Supermarket, Refrigeration, Remodeling, DCC, Ventilation

Christian Brothers Inc
Larry Christian
24819 Van Dyke Avenue
Centerline
MI 48015
Phone: 810-755-7490
FAX: 810-755-6551
Types of Work: Commercial, Industrial, Institutional, Service Repair
Fields of Work: Plumbing, Remodeling/Modernization

City Plumbing & Heating Co.
Ed Ross
PO Box 620
St Joseph
MI 49085
Phone: 616-983-6595
FAX: 616-983-2040
Types of Work: Commercial, Residential, Service Repair
Fields of Work: Air Conditioning, Clean Room, Plumbing, Sheet Metal, Heating, Remodeling/Modernization

Gunthorpe Plumbing & Htg.
R. Lynn Gunthorpe, Larry Gunthorpe and Jerry Gunthorpe
909 Abbott Road Suite C
East Lansing
MI 48823
Phone: 517-333-2660
FAX: 517-333-2665
E-Mail: larry@gunthorpeplumbing.com
Types of Work: Commercial, Government, Industrial, Institutional, Residential, Service Repair
Fields of Work: Air Conditioning, Clean Room, Controls, DCC, Prefabrication, Plumbing, Process Piping, Refrigeration/Supermarket, Remodeling, Utilities, Heating, Welding
Website: www.gunthorpeplumbing.com

Hunter-Prell
Todd A Johnson
Susan L. Burdick
149 Richmond Ave.
Battle Creek
MI 49014
Phone: 269-962-7538 
FAX:  269-962-7311
E-Mail: hunterpr@iserv.net
Types of Work: Commercial, Healthcare, Government, Industrial, Institutional, Remodeling, Service Repair, Residential
Fields of Work: Process Piping, Plumbing, Mechanical Contract Management, Welding, Fire Protection, Underground, Utilities, Site Work, Prefabrication, Clean Room, Remodeling, Heating, Refrigeration

John E. Green Company
Charles J. Osborne
7619 Northport Drive
Lansing, MI 48917-9517
Phone: (517) 322-4030
Fax: (517) 322-9030
E-mail: chuckosborne@johnegreen.com
www.johnegreen.com
Types of Work: Commerical, Institutional, Industrial, Government, Service & Repair
Fields of Work: Air Conditioning, Heating, Clean Room, Fire Protection, Prefabrication, Process Piping, Plumbing, Refrigeration/Supermarket, Sheet Metal, Welding, Ventilation, Remodeling, Ulitilities, Controls, DCC

Monroe Plumbing & Heating
Edward Theisen
Tom Theisen- Vice-President
PO Box 307
Monroe
MI 48161
Phone: 734-241-4277
FAX: 734-241-3602?
History: Founded in Monroe before World War II. Started out doing residential work at schools. Now soundly Commerical/Industrial preforming work throughout Southeast Michigan.
Additional Info: Design Build Contractors with Registered Professional Engineer on staff. Major contracts included the University of Michigan, Warner Lambert/Parke Davis, Consumers Power-Detroit Edison.
Types of Work: Commercial, Government, Industrial, Institutional, Service Repair
Fields of Work: Air Conditioning, Controls, Prefabrication, Plumbing, Process Piping, Sheet Metal, Ventilation, Heating, Refrigeration-Supermarket, Welding, Remodeling/Modernization

Northern Boiler
Tom DeLaney
3330 Old Lansing Rd.
Lansing, MI 48917
Phone: 517-482-8273
Fax: 517-482-8610
E-Mail: delaneytnbi@aol.com
Types of Work: Institutional, Government, Service & Repair
Fields of Work: Air Conditioning, Controls, Heating, Plumbing, Process Piping, Prefabrication, Remodeling, Refrigeration, Refrigeration-Supermarket, Utilities, Ventilation, Welding

Paul Bengel Company
Jerry Jehnzen
420 E Prospect Street
Jackson
MI 49201
Phone: 517-783-2803
FAX: 517-783-2153
E-Mail: jjehnzenpaulbengel@ameritech.net
Types of Work: Commercial, Government, Industrial, Institutional, Residental, Service Repair
Fields of Work: Air Conditioning, Clean Room, Plumbing, Process Piping, Prefabriaction, Refrigeration/Supermarket, Remodeling, Utilities, Heating, Welding

Rich & Howell
Martin Hornak
1580 Creston
Muskegon
MI 49442
Phone: 231-773-9102
FAX: 231-773-1503
Types of Work: Commercial, Government, Industrial, Institutional, Residential, Service Repair
Fields of Work: Plumbing, Process Piping, Heating, Remodeling/Modernization

Shaw-Winkler, Inc
Lynn Morgan
Joe Kain
4910 Dawn Avenue
East Lansing
MI 48823
Phone: 517-351-5720
FAX: 517-351-5131
E-mail: lynnomorgan@sbcglobal.net , joekain@sbcglobal.net
Types of Work: Commercial, Government, Industrial, Institutional, Service Repair
Fields of Work: Air Conditioning, Clean room, Controls, Plumbing, Prefabrication, Process Piping, Heating, Remodeling/Modernization, Refrigeration, Utitlities, Welding
Website: www.shawwinkler.com

Smith-Hammond Piping
Pete Seklins
7100 Tower Rd.
Battle Creek, MI 49014
pseklins@goscheck.com
Phone: 616-962-9536
FAX: 616-962-9052
Types of Work: Commerical, Institutional, Industrial, Government, Service & Repair
Fields of Work: Air Conditioning, Fire Protection, Prefabrication, Plumbing, Process Piping, Utilities, Heating, Refrigeration, Refrigeration-Supermarket, Remodeling, Welding

Stafford-Smith Inc
Dave Stafford
3414 S Burdick
Kalamazoo
MI 49001
Phone: 616-343-1240
FAX: 616-343-2509
Types of Work: Commercial, Government, Industrial, Institutional, Service Repair
Fields of Work: Air Conditioning, Clean Room, Controls, Refrigeration, Ventilation, Heating, Refrigeration-Supermarket, Remodeling/Modernization

Stanley-Carter Company
Dale Boes
PO Box 116
Farmington Hills MI 48024
Types of Work: Industrial, Institutional
Fields of Work: Remodeling, Air Conditioning, Prefabrication, Plumbing, Process Piping, Heating, Welding

T.H. Eifert Inc
Tom Eifert
3302 W St Joseph
Lansing
MI 48917
Phone: 517-484-9944
E-Mail: teifert@theifert.com
FAX: 517-484-1699
Types of Work: Commercial, Government, Industrial, Institutional, Residential, Remodeling, Service Repair
Fields of Work: Air Conditioning, Clean Room, Controls, Prefabrication, Plumbing, Process Piping, Utilities, Refrigeration/Supermarket, Refrigeration, Remodeling, Ventilation, Heating, Welding
Website: www.theifert.com

William O'Neil
W.J. O'Neil Company
34525 Glendale Street
Livonia MI, 48150
Types of Work: Commercial, Government, Industrial, Institutional
Fields of Work: Remodeling, Service Repair, Air Conditioning, Controls, Prefabrication, Plumbing, Process Piping, Heating, Welding