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MANUFACTURED SHEET METAL PRODUCTS
KIRK & BLUM : COMPONENT PARTS FOR AIR SYSTEMS
SOUTHWARK MFG: PREFABRICATED PIPE, DUCT FITTINGS
MIDWEST METAL PRODUCTS: GALVANIZED, STAINLESS & ALUMINUM ANGLE RINGS.
DUCTMATE: 2" and 4" TURNING VANE AND RAIL, STANDING "S" CLEAT, DRIVES, ANGLE IRON, PREFABRICATED PIPE, ELBOWS, AND COLLARS.
FLANGED DUCT CONNECTION SYSTEMS
DUCTMATE INDUSTRIES: RECTANGULAR DUCT CONNECTOR SYSTEMS, SPIRALMATE, OVALMATE, MACHINES & ACCESSORIES.
GUSTAFSON: UNION MADE NONGASKETED AND GASKETED SPIRAL DUCT AND FITTINGS CONSTRUCTED FROM EITHER GALVANIZED OR COATED MATERIAL
HRANEC CORPORATION: SPIRAL PIPE, OVAL PIPE, DOUBLE WALL, RECTANGULAR SLIP & DRIVE
GAS & ALL FUEL VENTING SYSTEMS
AIR JET: B-VENT & ALL FUEL CHIMNEY.
HART & COOLEY: ALL FUEL CHIMNEY.
AMPCO: COMMERCIAL & INDUSTRIAL VENTING SYSTEMS
ACCESS DOORS & VENT SYSTEMS
MILCOR: METAL ACCESS DOORS, ROOF HATCHES, HEAT & SMOKE VENTS, FLOOR DOORS, AND SIDEWALK DOORS
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