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1925	Gailey & Roberts was appointed as the Caterpillar dealer for East Africa.
1937	Unilever came on the scene when the United Africa Company acquired Gailey & Roberts, which by that time was firmly entrenched into both agricultural development and the construction industry.
1997	Gailey & Roberts was acquired by the Mansour Group and via the Egyptian Caterpillar dealer, Mantrac who has developed and established a solid reputation as a world class Caterpillar dealer in Egypt for over 25 years.