iOS has successfully penetrated enterprise, and iOS 9 will add the the productive capabilities of the iPad. (Also do not want to under estimate Swift becoming open, and the need for qualified consultants to customize applications.) The players already involved with enterprise building apps are a step ahead. The obvious, public, company with close ties with Apple for the enterprise that will most likely benefit the most: IBM.
Bouncing off its 165 support, and wait to see its 175 resistance. Once the benefit becomes obvious, IBM will break from its 175 resistance.