Reston, Virginia-based information technology contractor Octo has merged with software development firm Sevatec in a deal of an undisclosed sum to create a combined entity that will focus on helping federal government customers to address IT modernization goals. Baird and Pillsbury Winthrop Shaw Pittman served as Sevatec's financial and legal advisers on the transaction, respectively, while Sheppard Mullin acted as Octo's legal adviser.