I think, being a shareholder, company should more or less give away some sweet to their investors(people put their money into their company business).
I found those two website is very helpful
http://www.sharecrazy.com/resources/perks.html
http://www.hargreaveslansdown.co.uk/siteredesign/online_guides/shareholder_perks/
When I was reading this, I found one good share "British Airway", although it had been hit since 9/11 and recently terror plot. However, and surprisely, its share grew more than the index.

Also, if you hold 200 share by Nov each year, they will send you five vouchers. Each vouchers enable you 10% discount off the published (includes "world offer") price for the following year.
Information sheet from their website.
More info:
http://www.bashareholders.com/phoenix.zhtml?c=69499&p=irol-shareholdersfaq#12763