Robert von Roenn

TER HELL & Co. GmbH distributes and trades raw chemical products. The firm’s products include adhesives, plastics, rubber, dye and cosmetics. The company was founded by Hermann ter Hell in 1908 and is headquartered in Hamburg, Germany. ^

Brenntag Schweizerhall AG distributes buys and sells chemicals. Its products include acids, additives, alkaline solutions, antifreeze, aromatic substances, catalysts, chemical raw materials, cleaning agents, fillers, food and feedstuff additives, inorganic salts, intermediate products, oils and fats, organic salts, pharmaceutical raw materials, pigments, plastics, preservatives, reagents, softening agents, solvents, special compounds, stabilisers, surfactants, swimming-pool chemicals, and waxes. The company was founded in 2001 and is headquartered in Basel, Switzerland.