JP Lamborn (JPL) is America’s leading third-generation, family-owned flexible duct manufacturer. For over 60 years, we’ve built our reputation on premium quality, competitive pricing, and dependable service. With four U.S. plants, we deliver products quickly and reliably wherever you do business. Flexible duct is our specialty — it’s all we do, and we do it right. Choose JPL for performance, partnership, and proven results — right out of the box.
Johns Manville
Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality building and specialty products. In business since 1858, the Denver-based company has annual sales over $4 billion and holds leadership positions in all of the key markets that it serves. JM employs 8,000 people and operates 44 manufacturing facilities in North America and Europe. Additional information can be found at www.jm.com. | Johns Manville (JM), a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building and specialty, as well as reinforcement fiberglass and technical nonwovens. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, air and liquid filtration, waterproofing, building, flooring, interiors and wind energy. In business since 1858, the Denver-based company has annual sales over $3 billion. Johns Manville employs 8,000 people and operates 44 manufacturing facilities in North America and Europe. Additional information can be found at www.jm.com. | Johns Manville, a Berkshire Hathaway company is a leading manufacturer and marketer of premium-quality products for building insulation, mechanical insulation, commercial roofing and roof insulation, as well as reinforcement fiberglass and technical nonwovens. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, air and liquid filtration, waterproofing, building, flooring, interiors and wind energy. Johns Manville employs 8,000 people and operates 44 manufacturing facilities in North America and Europe. Additional information can be found at www.jm.com. | Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality building and specialty products, as well as reinforcement fiberglass, advanced composites and technical nonwovens. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, air and liquid filtration, waterproofing, building, flooring, interiors, and the energy industry. In business since 1858, the Denver-based company has annual sales over $4 billion and holds leadership positions in all of the key markets that it serves. JM employs 8,000 people and operates 44 manufacturing facilities in North America and Europe. Additional information can be found at www.jm.com. | Our global headquarters is in Denver, Colorado. We also have 44 manufacturing facilities across North America and Europe. We continuously invest in our people and our infrastructure to anticipate employee, customer and community needs and provide long-lasting solutions. This approach gives us the strength we need to be the Employer of Choice and the Supplier of Choice in the markets we serve worldwide.
Foster / H.B. Fuller
For more than 100 years, engineers, owners and contractors have depended on the quality and reliability of Foster® products. Foster has a comprehensive accessory product line to serve the needs of the HVAC industry. From duct sealants to adhesives to closure mastics, we make the products that contractors and owners depend on to ensure a long-lasting, high-quality installation.
Durkee America Inc.
Durkee America is the North America sales center of Durkee group, a global leader in manufacturing Durkeesox non-rigid air duct system and Durkflex elastomeric thermal insulation material, with a presence in three state-of-the-art manufacturing facilities across the world over the past 30 years. With a dedicated team of research and development experts, we take pride in our long-standing leadership to serve our distributors and customers worldwide.
Alpha Duct LLC
ALPHA DUCTS LLC is one of the highly advanced and modernized manufacturers of insulation foam panels, pre-insulated air duct systems, and accessories based in Dubai, United Arab Emirates, and having an extensive international network to serve customers worldwide.

