9. Aceto Corp.

Lake Success, N.Y.

Phone: (516) 627-6000

Website: www.aceto.com

2008 Sales: $359.6 million

Management: Leonard Schwartz, Chairman & CEO

Products: Aldehydes, amines, catalysts, chelating agents, flavors & fragrances, food additives, institutional maintenance, ketones, pigments, plasticizers, resins, specialty quats, intermediates, pharmaceutical API

Services: Sourcing

Markets served: Cosmetics/personal care, paints & coatings, automotive, petroleum refining, food & beverage, plastics & rubber, adhesives & sealants, soaps & detergents, electronics, textiles, tires & rubber, pharmaceuticals, agriculture

Warehouse capacity: 120,000 sq. ft.