History
chm is the result of a large entrepreneurial path in the construction sector that started in 1948 […]
Vallalba Group
Our company is part of the Vallalba Group, a benchmark of competitive consistency and capacity […]
Business Lines
chm covers a diverse range of activities, such as road works (roads, railway, airport and urbanization) […]
Offices. International Presence
chm is leader in the national construction, infrastructure maintenance and services sector […]
Know better chm through our catalogs.
Access our catalogs in PDF format to discover more about our company.