Interior Maintenance Co., Inc. - Lansdowne, PA
Service Company
Duct cleaning services including debris removal services for residence, office building, hospital, school, government institution, prison, manufacturing & industrial applications. Capabilities include air purifying, monitoring & testing, janitorial, chimney maintenance & repair, pressure washing, restoration, floor cleaning & refinishing, graffiti removal, microbial remediation, asbestos abatement, contract, encapsulation & potting, inspection & clean-up.
www.imc.cc/air-hvac/commercial-air-duct-cle...

Johnson Bros. Metal Forming Co. - Berkeley, IL (Serving Eastern Pennsylvania)
Manufacturer, Custom Manufacturer, Service Company
Manufacturers, roll formed metal mouldings, clips, cleats, channels, rings for ductwork framing. All metals. 2,000ft minimuim prefinished & plain. Inline: holes, perforating, cut to length, ring bending, end fabricating.
www.JohnsonRollForming.com

Richard L. Sensenig Co. - Ephrata, PA
Manufacturer, Custom Manufacturer, Service Company
Custom fabricator of exhaust ducts made from stainless steel, carbon steel & aluminum for commercial, industrial & residential applications. Capabilities include band sawing up to 16 in. x 10 in., roll forming, CNC plasma cutting up to 5 ft. x 10 ft., hydraulic CNC press brake up to 14 ft. x 250 tons, punching, sawing, hydraulic shearing up to 10 ft. x 3/8 in., plate bending up to 80 in. x 3/8 in., MIG, TIG & stick welding & painting.
www.rsensenig.com/sheet.html

Energy Products Co. - Broomall, PA
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor & mfrs. rep. of draft control chimney top fans, dryer venting systems & combustion air systems.
www.energyproductsco.com/prod3.html

Air Dynamics Industrial Systems Corp. - York, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Veteran-owned manufacturer of standard & custom ventilation equipment & systems including air ducts, hood air ducts, exhaust ducts & smoke/acid fume ducts. Other products such as dust & fume capture arms, arm exhaust fans, industrial tools & hoses are also available. Services include engineering, 2D/3D CAD designing, fabricating, rapid prototyping, simulation, system integration & turn-key installation. Energy reduction & optimization solution services are also available.
products.airdynamics.net/

Exhaust Ducts Products
	Pneumatic Conveying Systems

MKT Metal Manufacturing, Inc. - York, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of air ducts including air conditioning, heating, ventilating & exhaust 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.

Palladino Metal Fabrication, Inc. - Pottstown, PA
Manufacturer, Custom Manufacturer, Service Company
Designer & custom manufacturer of metal ducts & duct work systems built to specification. Materials include aluminum, galvanized steel, carbon steel & stainless steel. Round, rectangular & square shapes fabricated, 20 gauge to 3/16 in. thick. Variety of shapes & styles available.

Peirce-Phelps, Inc. - Philadelphia, PA
Distributor
Distributor of ducts including HVAC, exhaust & spiral ducts. Other products include air conditioning, heat pumps, gas furnaces, boilers, high velocity systems, compressors, venting products, room air products, fan coils, space heaters, duct free split systems, zoning controls & thermostats.
Brand Names: Lloyd, Malco, Reflectix, Venturetape