- CJ Loftus Electronics
- Manufacturer of HF welding machines, specialising in high frequency PVC welding machinery.
- Concord Geotechnical
- Installation equipment for the geosynthetic lining industry including wedge welders, extrusion welders, hot air welders, tensiometers, coupon cutters, vacuum test, spark test and air test equipment.
- Demtech Services, Inc.
- Produces welding and testing equipment for geosynthetics installers.
- Digicon Micro Systems
- Manufactures impulse sealing and high frequency welding machines to weld in very large dimensions.
- Miller Weldmaster
- Manufacturers of rotary hot air welding and hot wedge welding machines for the bonding, sealing and fusing of thermoplastic and industrial fabrics.
- NOVAWELD
- Manufactures wedge welding machines for field seaming geosynthetic materials including geomembranes, geotextiles, geocomposites.
- Polyweld USA
- Specialized in welding and testing equipment for geosynthetics and plastic fabrication.
- PROGEO
- Supplier of information systems for monitoring construction and environmental protection, computer-supported systems are used for fast and precise location of leaks and long-term monitoring of membranes.
- Seamtek Incorporated
- Manufacturers of hot air welders and tapers.
- Sinclair Equipment Company
- Offers a full range of flooring tools and equipment to include floor removal, welding and grooving equipment, laminate tools, wedge welding systems and hand tools.
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