Construction project manager and ProfitDig co-founder, Jeff Spencer, has had a very successful career in the construction business. Part of his success is just the fact that he is so nice to everyone he meets.
The ProfitDig guys talk about simple strategies for growing your business through networking. Growing your network of contacts is critical, and it is important that you maintain relationships (and remember names) along the way.
From ProfitDig - easy job bidding for construction contractors.