611Wired, wireless, and satellite telecommunication activities

107 companies

Sub-industries

#	Company	Reg.	Revenue	Change	Net profit	Change	Employees
1	Telia Eesti AS 10234957, Kristiine linnaosa	1997	€363,164,000 2025	−4.3%	€69,590,000	+34%	1,287 annual average (FTE)
2	Elisa Eesti AS 10069659, Kristiine linnaosa	1996	€223,554,000 2025	0%	€16,913,000	+14%	879 annual average (FTE)
3	AS STV 10059388, Lasnamäe linnaosa	1997	€13,705,341 2025	−2.5%	€1,067,243	−29%	143 annual average (FTE)
4	CITIC Telecom CPC Estonia OÜ 10784403, Kristiine linnaosa	2001	€4,382,278 2025	−19%	€219,188	−27%	33 annual average (FTE)
5	RocketConnect OÜ 16662996, Kesklinna linnaosa	2023	€3,514,714 2025	−60%	−€419,066	−168%	1 annual average (FTE)
6	Infonet AS 10096260, Põhja-Tallinna linnaosa	1996	€2,469,999 2025	+0.5%	€353,069	+1.7%	17 annual average (FTE)
7	OÜ CSC Telecom Estonia 14422354, Lasnamäe linnaosa	2018	€1,869,153 2025	+37%	−€118,209	+45%	13 annual average (FTE)
8	Osaühing Fill Networks 11481014, Narva linn	2008	€1,331,469 2025	0%	€149,922	−9.6%	18 annual average (FTE)
9	Osaühing Uus Programm 10132949, Jõhvi linn	1996	€1,069,554 2025	−1.5%	€91,284	−1.6%	14 annual average (FTE)
10	AstNetworks OÜ 14149651, Kesklinna linnaosa	2016	€708,852 2025	+21%	€38,071	−37%	2 annual average (FTE)