Headquarters: Reston, Va. Number of Billable Consultants: 700+ Client Industries Served: Financial Services, Professional Services, Retail, Technology, Consumer Goods, Manufacturing, Education & Government, Nonprofit, Healthcare and Insurance Consulting Service Lines: Strategy, Financial & HCM Consulting
It's four years and counting for Reston, Va.-based Collaborative Solutions as the firm is back in the No. 2 spot for the second year in a row.