Test/Balance/Commission

Bayes, Inc.
419-661-3933
http://www.bayesinc.com/

Campbell, Inc.
419-476-4444
http://www.campbellinc.com/

Commercial Comfort Systems, Inc.
419-481-4444
http://www.commercialcomfort.com/

Cross Heating & Cooling
734-856-2400

Dimech Services, Inc.
419-727-0111
http://www.dimech.com/

Dunbar Mechanical, Inc.
419-537-1900
http://www.dunbarmechanical.com/

Earl Mechanical Services, Inc.
419-826-9999
http://www.earlmechanical.com/

GEM Inc.
416-666-6554
http://www.gemincorporated.com/

Hoffman & Harpst Co., Inc.
419-241-8134
http://hoffmanandharpst.com/

IPS
419-531-3121
http://www.ipscontractor.com/

Noron, Inc.
419-726-2677
http://www.noroninc.com/

Positive Trades Group
419-865-6171
http://thesperlingcompany.com/

Wadsworth/Shreffler, Inc.
419-861-8181

Warner Mechanical Corporation
419-332-7116
http://warner-mechanical.com/