Highbridge Company - To gain access to 100% of the company database for 1 month, simple add 1 salary entry from your own experience. If you add 3 entries (can be any combination of salary info, interview insights or company reviews), you get a full 1 YEAR access PLUS access to the WSO Annual Compensation Report!. [ad#ad1] Alson Capital Partners, LLC – closed in 2009; Amber Capital, L.P. – Amber Capital LP is an employee owned hedge fund sponsor. The firm primarily provides its services to pooled investment vehicles. It manages separate client focused equity portfolios.. The Union Pacific Railroad (reporting mark UP) (or legally Union Pacific Railroad Company and simply Union Pacific) is a freight hauling railroad that operates 8,500 locomotives over 32,100 route-miles in 23 states west of Chicago and New Orleans.The Union Pacific Railroad system is the largest in the United States after the BNSF Railway and is one of the world's largest transportation companies..