Profile
THESTA in Brief
Our Mission
Our Strategy & Prospects
Our Values
ISO Certificates
Certificate ISO 9001:2015
Certificate ISO 14001:2015
Certificate ISO 39001:2012
Certificate ISO 45001:2018
PV Cleaning
Description
Photo Gallery
Snow Removal
Description
Photo Gallery
Ski Resorts
Description
Photo Gallery
Road Maintenance
Description
Photo Gallery
Rock Crushing
Description
Photo Gallery
Coast Cleaning
Description
Photo Gallery
Contact Us
Certificate
ISO
14001:2015
Environmental
Management
Systems