Pennsylvania

Harrisburg & York TRISTATE HVAC EQUIPMENT CosaTron Contact - Bengt Dalemar 10 Prospect Plaza 2811 East Prospect Road York, PA 17402 PHONE: 717-755-0553 FAX: 717-755-0554 E-Mail: bdalemar@tristatehvac.com WWW: www.tristatehvac.com

Philadelphia TRISTATE HVAC EQUIPMENT CosaTron Contact - Sam Long Union Hill Industrial Park One Resource Drive West Conshohocken, PA 19428 PHONE: 610-825-4770 FAX: 610-825-6191 E-Mail: slong@tristatehvac.com WWW: www.tristatehvac.com

Pittsburgh ALLEGHENY ENGINEERING CO. CosaTron Contact - Bob Densmore 3157 Washington Road McMurray, PA 15317 P.O. Box 12567 Pittsburgh, PA 15241 PHONE: 412-563-0200 FAX: 724-941-8502 E-Mail: bobd@alleghenyeng.com

Wilkes-Barre TRISTATE HVAC EQUIPMENT CosaTron Contact - Joseph Mayo Jr. 5 Pethick Drive Wilkes Barre, PA 18702-6946 PHONE: 570-824-7728 FAX: 570-824-7732 E-Mail: jmayo@tristatehvac.com WWW: www.tristatehvac.com