Hr- POrter's Five Forces Model

Hello everyone,
This is Hur abbas and new to this forum. i want u people help in completing my assignment which is on Porter Five forces model, in which i have to select five big companies of any industry and then make Porter 5 force model on that. if any one of u have done any assignment on this or have any idea of this assignment. Than Plz help me.
Thanks

Porter's 5 forces - how they work, 3 examples, and why it's better to be a thief ~ Sounds + Food 'n' Retail
might help, as might this
porter 5 forces example - Google Images
HTH