Telelink Infra Services has supported the expansion of the national and telco operators fixed networks providing services such as survey and design, permitting and legalization, logistics, civil works, splicing, test and measurements, modernization of equipment premises, etc. Some of the notable projects are:

• For the Bulgarian Electronic Communication: Network and Information infrastructure upgrade project – 340 kilometres fibreoptic routes
• For Vivacom: more than 800 km fiberoptic routes by multiple FTTB/FTTH network project
• For Mtel FTTH network extension: 200 km of fibreoptic route implementation