Company Category: Duct

Sunnex USA

Founded in the 1960s as Sunne Gummifabrik, a manufacturer of machine mounts and rubber components, Sunnex has evolved significantly through strategic acquisitions and mergers. For decades, Sunnex has provided its customers with the best-in-class anti-vibration machine mounts. The integration of VIBROSTOP srl in 2024 has added a completely new portfolio of solutions for shock and vibration isolation, including rubber and spring mounts and wire rope isolators.

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Suncourt Inc.

Suncourt has been manufacturing products that provide better air quality and control since 1988. We are a family-owned manufacturing business located in Durant, Iowa. Our engineered products improve indoor air quality and comfort in a smart, efficient, energy-saving way. Our R&D team places a large focus on innovation and is continually looking to improve existing products as well as developing new ones. Suncourt products are tested and safety listed.

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Stiferite SpA

Over the years, STIFERITE successfully maintained its great innovation ability: it was the first to develop polyurethane foam panels with mineral fibre facers, and the first to use blowing agents that are harmless to the ozone layer. The new STIFERITE’s Polyiso foams are designed to optimize performances. STIFERITE is certified by the norm OHSAS 18001 for the safety of its employees

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Stamped Fittings LLC

Stamped Fittings is a yellow label union HVAC sheet metal product manufacturer, offering a complete line of round components. The EDGE high efficiency self-sealing gasketed system meets SMACNA Class 3 leakage. Our state-of-the-art manufacturing facility, specific to round duct, utilizes the latest automated technology resulting in quality, short lead times and a competitive price. We take pride in our customer service and offer the personal approach of a family business.

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SPIRAL-HELIX, Inc.

Spiral-Helix, Inc. is the official US sales subsidiary of Spiro International SA, the undisputed world leader in the development and manufacture of machines to produce environmentally friendly air duct systems required in the heating, ventilation, air conditioning (HVAC) and sheet metal industry. Our identity as a Swiss quality brand stands for reliability, security, and trust.

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Spinfinity

The original spiral Accuflange manufacturer for spiral duct systems.

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Southwark Metal Mfg. Co.

Leading manufacturer of prefabricated sheet metal ducts and fittings since 1946

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Southeastern Hose Inc.

Established in 1963, Southeastern Hose, Inc. is a leading manufacturer in the hose assembly and expansion joint industry. With more than 500 years of combined experience in welding, fabricating, sales, and administration departments, the knowledge, capabilities, and expertise of the Southeastern Hose team is unsurpassed. Southeastern Hose is a leading fabricator of flexible metal, rubber, PTFE, and composite hose assemblies and expansion joints, pump connectors, hydraulic, pneumatic, and jacketed assemblies, chemical transfer, and more.

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Sicflux Corporation

Founded in 1992, Sicflux company in Brazil is a ventilation leader in the market. Since 2015, Sicflux has the US operation, distributing to US market products manufatured in Brazil.

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