Researches, develops and manufactures metal catalysts.

Ohio technology company offering solutions in the area of catalytic coatings, heat exchangers, and metal honeycombs, for applications in the environmental and energy sectors.

UK company offering products and services related to catalysts and catalytic processes, including development services, custom manufacturing, and sale of modular testing units.

Provides environmental catalysis products and services.

Develops and manufactures catalytic converters for automotive and stationary energy applications. Overview of technologies, corporate profile, and investor information. California.

Supplier of activated carbons and aluminas, synthetic zeolites, and silica gels, for use in separation, purification, and drying processes.

Manufactures activated alumina, activated carbon, and silica gel, as well as ferrous sulphide extrudates for metallurgical applications.

Producer of a range of natural odor, moisture, and mildew control products based on zeolites. Overview of products, distributors, and technical information.

Manufacturer of 3A, 4A, 5A and 13X zeolites in China. Products targeted at the natural gas and chemical industries.

Provides sorbents for preparative chromatography at the pilot and production scale. Products include alumina, silica gels, polyamide, a pesticide-selective sorbent, as well as tubing supplies.

Surface and materials science company. Products include environmental and process catalysts.

United Kingdom manufacturer of desiccants: silica gel, silica gel sachets and molecular sieves.

Manufacturer of fluid cracking, hydroprocessing, and polyolefin catalysts, Raney metal catalysts, silicas, adsorbents and specialty products.

Develops and manufacturers a range of catalysts and sorbents for desulfurization and water-gas shift in ammonia plants, as well as flavoring agent tributyl acetylcitrate.

Manufacturer of activated fullers earth. Used for the bleaching of industrial oils, mineral oils and edible oils.