The city’s construction industry has seen steady growth. There are more than 600 registered construction companies, 80 construction supervising companies, 56 pricing consultation companies and 67 bidding agents in Shenzhen. The city also has six construction associations. Besides, 184 construction companies from inland provinces set up branches in the city. In 2006, the city’s construction industry realized added value of 16.291 billion yuan, up 7.5 percent over the previous year.