Linde supplies industrial and specialty gases alongside engineering, process technologies, and field services for manufacturers and other industrial operations. Its U.S. offerings range from gas systems for welding and additive manufacturing to mobile nitrogen pumping and hydrogen fueling, with five research and development centers supporting new applications. Operating in more than 80 countries, Linde also develops technologies aimed at decarbonization, including clean hydrogen and carbon capture.
Air Products and Chemicals, IncAir Products and Chemicals, Inc. supplies industrial gases, gas-supply systems and related plant support for manufacturers and other process industries worldwide. Founded more than 85 years ago, the company operates in about 50 countries, serving roughly 250,000 customers through more than 750 production facilities and 1,800 miles of industrial-gas pipelines. Its work ranges from high-purity atmospheres for advanced materials and semiconductor manufacturing to temporary hydrogen and nitrogen supply through its APEX service, which has supported customers for over 40 years.ALLENTOWN, PA
Solutionwerks, IncFounded by Dennis Derr in 2000, Solutionwerks is an Allentown, Pennsylvania-based global supplier of equipment and technical services for producing, storing, and using industrial gases. Its engineers and technical specialists work across both cryogenic and non-cryogenic facilities, helping customers maintain aging plants, execute upgrades, and install anything from replacement parts to turnkey systems. The company also partners with Penn State on student design projects focused on engineering improvements for the industry.ALLENTOWN, PA
Nikkiso Clean Energy & Industrial Gases GroupNikkiso Clean Energy & Industrial Gases Group engineers, manufactures, installs and services cryogenic equipment and turnkey systems for handling gases and other low-temperature fluids. With a history reaching back to the early 1950s, the group is known for cryogenic pumps and engineered process equipment, including systems used in aerospace fueling and clean-energy infrastructure. More than 1,800 employees support customers from facilities in over 20 countries, while the company remains independent of selling the molecules its technology handles.ALLENTOWN, PA
CGI International CorporationFounded as a welding company in 1948, CGI International Corporation has grown into a third-generation Zullo family business that manufactures and distributes hydrogen, carbon dioxide, and other industrial and residential gases. Based in Washington, Pennsylvania, it operates as one of the largest independent gas suppliers in the Northeast and Mid-Atlantic, with distribution reaching 18 states. CGI also launched the first privately held hydrogen production facility in the United States during the 1980s and remains closely tied to emerging low-carbon energy markets.WASHINGTON, PA