A construction industry is very important in Japan. But those conditions show a tendency to be bad. By the way, the project called Community Type Construction Enterprise is being done in Sapporo City. This project is the activity by the construction industry which made community a theme. The purpose of this paper is a announcing content of a series of this project. Through this project, the profit of the enterprises which participated showed a tendency to be raised, a new type of industry seems to be born. I found out that trust was important, and so on.