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This service help also into WCF and  MVC

You have to tell WCF to use unity to instantiate your services. You can search online for what to do, or use this nice NuGet package called Unity.WCF. 

Article about Unity.
WCF  :  http://www.devtrends.co.uk/blog/introducing-unity.wcf-providing-easy-ioc-integration-for-your-wcf-services

NuGet package:   http://nuget.org/packages/Unity.Wcf

Project home page with source code:  http://unitywcf.codeplex.com/