Caterpillar Inc.. The Group's principal activities are to design, manufacture and market construction machinery and engines. The Group's operations are conducted through three business segments: Machinery, Engines and Financial products. Machinery segment is engaged in design, manufacture and marketing of construction, mining, agricultural and forestry machinery and related parts. Engines segment designs, manufactures and markets electric power generation systems; on-highway vehicles and locomotives, marine, petroleum and related parts. Financial products segment provides financing to customers and dealers for the purchase and lease of equipment, offers operating and finance leases, installment sale contracts, working capital loans, wholesale financing plans and insurance services. The Group's products are sold under the brand names Caterpillar, Cat, Solar, MaK, Perkins, FG Wilson and Olympian. Machinery accounted for 59% of 2002 revenues; Engines, 33% and Financial products, 8%.