LGN vs VNET Comparison

Legence Corp is a provider of engineering, installation and maintenance services for mission-critical systems in buildings. It focuses on high-growth sectors that have technically demanding buildings, including technology, life sciences, healthcare and education. The company specializes in designing, fabricating and installing complex HVAC, process piping and other mechanical, electrical and plumbing (MEP) systems for new facilities and upgrading HVAC, lighting and building controls in existing facilities to make them more energy efficient and sustainable.

VNET started as AsiaCloud in 1999 and moved into the data center business, opening its first self-developed data center in 2010. The firm listed (as 21Vianet) on the Nasdaq in April 2011, subsequently changing its name to VNET Group in 2021. It originally focused on providing data center services such as colocation and cloud services to retail clients in China, but added hyperscale customers in 2019 and now counts large Chinese hyperscalers such as Alibaba Cloud, Tencent Cloud, and Huawei Cloud as customers. At the end of September 2025, it had 52,288 retail cabinets, with the majority in Beijing, Shanghai, and the Greater Bay area. It also had 783 MW of wholesale capacity in service, with a further 306 MW under construction and a further 705 MW held for future development.