Catalysis may be classified as either homogeneous or heterogeneous.  ATT manufactures a comprehensive catalog of heterogeneous and homogeneous catalyst products for chemical synthesis, pharmaceutical manufacturing, fuel cells, hydrogen storage, and other applications utilizing catalysis reactions. Products groups include platinum group metals (PGM), organometallic compounds, nickel compounds, metal-organic frameworks (MOFs), boronic acids, alloys, carbon composites, and numerous other materials.  ATT can manufacture all materials in purities ranging from technical and ACS reagent grades to 99% (2N), 99.9% (3N), 99.99% (4N), 99.999% (5N), and higher, in addition to tailoring compositions to customer specifications.