Within application services, application development is the most popular service to outsource, while the breakdown within IT infrastructure services is more evenly distributed with data center operations garnering 23 percent share, according to Bluewolf.
"We also see that a lot of organizations are moving data center operations into the cloud," Sklar said. "Application development is the biggest one because there are so many platforms to be leveraged today," Sklar said. "These platforms come out and people need access and skilled resources that are hard to find. They have to go outside their walls. They also don't want to keep it in-house necessarily."