On Friday, Equifax (NYSE:EFX) announced that it has completed its purchase of "certain business assets and the operations" of Computer Sciences' (NYSE:CSC) CSC Credit Services -- the largest independent consumer credit reporting agency in the United States. Equifax had previously announced the $1 billion acquisition on Dec. 3.

In that earlier statement, Equifax had noted that it expects its new subsidiary to produce $230 million in revenues by the end of 2012 and earn $100 million in operating income.

Both companies' shares traded down today, with Equifax declining 0.6% to $53.41, and Computer Sciences dropping 0.3% to $39.11.