Project Do Co., Ltd. is a community-focused company based in Hakui, Ishikawa Prefecture, Japan. Established in 1995, it works to make public facilities welcoming hubs for learning, recreation, and regional activity. Since 2007, the company has served as designated manager of five facilities: Cosmo Isle Hakui space museum, Hakui City Library, Ishikawa Taki Port Marina, Euphoria Chirihama hot spring and pool complex, and Athlon Health Promotion Center. Its responsibilities include facility operations, maintenance, publicity, and event planning, with activities ranging from lectures and markets to projection mapping events.

Project Do also operates the JEM museum café and shop, develops and sells space- and UFO-themed souvenirs, and manages rental properties. Its broader services include food and retail operations, tourism and community-planning support, research, and training. At its managed facilities, visitors can explore exhibits and library programs, enjoy marine recreation, use pools and fitness facilities, or relax in hot springs. The company is affiliated with business hotel Sankaisou through its group company.