Sichuan Transportation Investment Group Co., Ltd. (STIG) was established in April 2010 with a registered capital of 35 billion yuan. As a very large-scale backbone enterprise approved by the Sichuan Provincial Government, STIG has taken the initiative to obey and serve the overall work situation in the province, always focuses on the main transportation industry, vigorously developed relevant diversified industries. It has formed a "3+6" business layout with the three main industries of "expressway, rail transit and airport navigation" as the core and supported by six related multiple industries, namely, "transportation service, transportation construction, transportation real estate,transportation logistic, transportation finance, smart transportation". At present, STIG has 12 directly affiliated enterprises, more than 130 wholly owned and holding enterprises at all levels, with 25,000 employees.
Over the past decade, STIG has built 45 expressways with a total of 4,470 kilometers, accounting for about 60% of Sichuan, reaching 21 cities (fectures) and 115 counties (cities and districts) in the province. The group accounts for more than 70% of the expressway outlet passageways in Sichuan. STIG has been building the longest and largest high-speed rail project in Sichuan, Chengdu-Nanchong--Dazhou-Wanzhou high-speed rail project and the first mountain track project in China, Dujiangyan-Siguniang Mountain Orbit Project. Jiuzhai Huanglong Airport is the second largest plateau airport in China, accelerating the construction of the Sichuan's second air port airport. Bazhong Enyang Airport, entrusted with management and operation, has opened 10 navigation points. By the end of 2019, the total assets of STIG had reached 419.9 billion yuan and net assets exceeded 140 billion yuan, ranking first in Sichuan. And the group received the A-subject credit rating awarded by Fitch International, which is currently the highest rating in the Asian expressway industry. In 2019, the group was ranked 363 among the Top 500