Here is a useful collection all marketing want-to-be’s should go through before they dive into marketing for an IT services firm

http://masterful-marketing.com/marketing-b2b-vs-b2c/

http://www.mymarketingdept.com/comparing-b2b-versus-b2c-marketing

http://www.iwdagency.com/blog/b2b-vs-b2c-ecommerce-what-are-the-key-differences/