11. Holland Capital Management L.L.C

Founded by legendary business leader Louis Holland in 1991, Holland Capital Management L.L.C. is an institutional, equity and fixed-income investment firm. The Chicago-based firm manages assets for corporate, endowment, foundation, public, and Taft-Hartley clients.

At the close of 2008, the company had $1.3 billion in assets under management–down 35% from the previous year.

Monica Walker, president and CEO is the first woman and first partner to head the firm since its inception. Walker was elected chief executive officer, after Holland’s retirement in February 2008.