“Strong owner” was identified as an important factor in the success of megaprojects and has been recognized for the importance of megaprojects as owner organizational capabilities. However, the question is what owner organizational capabilities are needed to make a megaproject success. Strong owner has deconstructed as organizational capabilities of megaproject owners. And the other perspective is how owner capabilities affect the success of several construction projects. However, they do not study how owner capabilities influence construction project performance. To answer these questions, this research identified the owner’s capabilities influencing the construction projects in Thailand. The relative importance of owner capability is for construction projects including the government sector state-owned enterprise and private sector in Thailand. Factor analysis revealed the appropriate grouping for owner organization capabilities such as owner systems integration capabilities, owner motivation capabilities, owner coordination capabilities, and owner dynamic capability and how this capability influences on construction project performance in the construction industry.