The Olayan Group is Diane Wylie's #1 rival. The Olayan Group is a Private company that was founded in Vaduz, Vaduz in 1947. The Olayan Group competes in the Diversified Investment Services field. The Olayan Group has 34,965 more employees vs. Diane Wylie.
Zamil Group is perceived as one of Diane Wylie's biggest rivals. Zamil Group was founded in 1998, and is headquartered in Al Khobar, Other. Zamil Group is in the Diversified Financial Services field. Zamil Group generates $22.5M more revenue vs. Diane Wylie.