But if you build it, will they come?
Many times, you have to make them want to follow your company.
Lucky for you, LinkedIn has a pretty good webpage with best practices to engage more people to follow your company.
Try these tips: http://www.marketing.linkedin.com/company-pages/attract-followers/
Keep working it and give it time to percolate.
Talking to your followers can be very beneficial. Let me hear good stories, ok?