Construction & design companies include Marvipol Development, Sinoma International Engineering, Per Aarsleff Holding, Sumitomo Mitsui Construction, TCL Zhonghuan Renewable Energy Technology and 520 other companies.
Sumitomo Mitsui Construction is a construction company that specializes in the design, engineering, and construction of skyscrapers and high-rise buildings.
TCL Zhonghuan Renewable Energy Technology (TCL中環新能源科技股份有限公司, formerly known as Tianjin Zhonghuan Semiconductor, 天津中环半导体) is a company that develops and manufactures semiconductor and solar materials and photovoltaic power stations.
DAI-DAN (ダイダン株式会社) is an integrated systems company that designs and manufactures electrical, air conditioning, plumbing and sanitary, and fire protection facilities.