There is no field of industry in which Optima Telekom has not found its users today. Corporate users of Optima Telekom can be found in the following businesses:
- city and state administration
- financial services
- hotels
- intellectual services
- media at the national and regional level
- production, agriculture and construction
- sports
- telecommunications and information science
- transport
- trade
- tourism
- NGOs
- Hospitality and catering
- Embassies and foreign missions
- Health
- Science
