What was the main purpose of the company known as the credit mobilizer?

The main purpose of the Credit Mobilier company, established in the 1860s, was to finance the construction of the Union Pacific Railroad. It served as a construction company that overcharged the railroad for building the track, allowing its investors to profit significantly. The company became notorious for its role in a major corruption scandal involving politicians and railroad executives, highlighting issues of graft and influence in the burgeoning railroad industry.