UnderDuct - Rock Island, IL
Distributor, Manufacturer
Manufacturer of water cooled, smoke & acid fume ducts made from fiberglass reinforced plastics. Ducts are available in various configurations, colors & shapes including round, rectangular, oval & triangular with 2 in. to 144 in. dia. & 1/8 in. to 1 in. wall thickness. Ducts feature resin veil finish, corrosion & leakage resistance, single wall & pre-insulated double wall designs & internal galvanized sheet metal sleeve joints. Fitting options include square-to-round, crosses, flanges, elbows, tees, reducers & dampers. Industries served include auditorium, auto exhaust, bank, botanical garden, church, hospital, high rise office, parking garage, residence, restaurant, school, super market, swimming pool & zoo. Meets ASTM, NBS PS 15-69, SMACNA & UMC 10-1 standards. UL listed.
www.underduct.com/configurations.php

Trox - Cumming, GA
Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of standard & custom water cooled air ducts including nozzle ducts. Features include geometrically individually arranged flaps & displacement flow effect. Planning, engineering, consulting & assembly services are available.

MI-Kee-Tro Metal Manufacturing, Inc. - York, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of ducts including composite, water cooled, welded & wire reinforced ducts. Shapes include flat, round & spiral with fittings. Features include T.D.C., slip & drive & snap lock connections. Available in materials including aluminum, stainless steel, galvanized, galvaneal & carbon steel. Cable hanging systems, access doors & spiral connecting systems also available. Applications include roof curbs, equipment rails, hoods & guards.

Troy Sheet Metal Works, Inc. - Montebello, CA
Custom Manufacturer, Service Company
Design, Fabrication & Installation Of Welded Duct. SMACNA & ACGIH Designs. Materials: Carbon Steel, Galvanized, Aluminum, Aluminized, Stainless Steel, Nickel Alloys. Insulation & Cladding Of Duct

Senior Aerospace - SSP - Burbank, CA
Manufacturer, Custom Manufacturer
Manufacturer of complex composite aerospace quality ducts, including gas turbine & hose ducting, ducts including air, acid resistant, HVAC, hood, aircraft, corrosion resistant, gas, high temperature, insulated, metal, smoke & acid fume, underfloor, water cooled & welded.