| Osaühing Computernik |
2916 |
| T+1 Solutions OÜ |
904 |
| Internetikaubamajad OÜ |
387 |
| Strop Proxy AB |
226 |
| Internetiturundus OÜ |
226 |
| Aripaev AS |
183 |
| AS Postimees Grupp |
179 |
| Thanatos OÜ |
176 |
| OÜ Tippan |
175 |
| DNStination Inc. |
168 |
| Nano IT SIA |
166 |
| TÜ PLATINUMCIRCLE |
164 |
| E-Resident Support OÜ |
162 |
| Marine Digital |
143 |
| TechForge Ventures Technologies OÜ |
132 |
| Tallinna Strateegiakeskus |
128 |
| Keskkonnaministeeriumi Infotehnoloogiakeskus |
123 |
| FORBASS OÜ |
112 |
| Varanõunik OÜ |
109 |
| Digikapital OÜ |
108 |
| BPtech.pl - uslugi informatyczne |
105 |
| CSC Corporate Domains, Inc. |
105 |
| AS EKSPRESS MEEDIA |
101 |
| MTECH OÜ |
100 |
| Estolio Limited |
97 |
| Imperal Varad OÜ |
96 |
| TELIA EESTI AS |
96 |
| Tallinna Tehnikaülikool |
89 |
| Kaitsevagi |
87 |
| Confia OÜ |
86 |
| OÜ Blender |
86 |
| Info-Auto AS |
85 |
| Tartu Ülikool |
84 |
| Eftastar OÜ |
83 |
| Infrasoft OÜ |
82 |
| OÜ SOA Trader |
81 |
| Ranka Marketing OÜ |
81 |
| Twentieth Century Fox Film Corporation |
80 |
| MAGNUM AS |
80 |
| Tool Domains LTD |
79 |
| Domain Admin |
78 |
| Kontamo OÜ |
78 |
| Gründer OÜ |
75 |
| Andata OÜ |
73 |
| Transit Expert OÜ |
71 |
| ETNA LIFE OÜ |
70 |
| Ferrero Polska Sp. z o.o. |
69 |
| European Domain Registry OÜ |
67 |
| Haridus- ja Teadusministeerium |
64 |
| Siseministeeriumi infotehnoloogia- ja arenduskeskus |
63 |
| Afacerver OÜ |
62 |
| Riigi Infosüsteemi Amet |
62 |
| OÜ Puupõld |
62 |
| NAISSAAREAIRSOFT MTÜ |
62 |
| Tervise ja heaolu infosüsteemide keskus |
60 |
| Venta Publica OÜ |
59 |
| NEROSO Inst., s.r.o. |
59 |
| Optimeeri OÜ |
58 |
| Golden BOX OÜ |
58 |
| OÜ Trumpit Solutions |
57 |
| Affiliate Marketing OÜ |
57 |
| Direct Media Agency OÜ |
57 |
| TKM Grupp AS |
57 |
| 123 Reklaam OÜ |
55 |
| FRANHOLD UÜ |
55 |
| SelgeSiht OÜ |
54 |
| SF2 SIA |
54 |
| NetGaming OÜ |
54 |
| Köögitehnika OÜ |
54 |
| MARKETINSKY OÜ |
53 |
| Dot Holding OÜ |
53 |
| Nobel Digital OÜ |
53 |
| Kirjamees OÜ |
51 |
| Osaühing ROVICO BÜROO |
51 |
| ALPHA DOMAIN DEVELOPMENT LTD |
51 |
| Atemix Group OÜ |
51 |
| Robert Bosch GmbH |
51 |
| DECATHLON SA |
50 |
| Dovi Productions OÜ |
50 |
| Geenius Meedia OÜ |
50 |
| Spetsialist Meedia OÜ |
49 |
| Tannenborg OÜ |
49 |
| C2B Portaal OÜ |
49 |
| U.S. INVEST AS |
47 |
| AS All Media Eesti |
47 |
| BeeServer OÜ |
47 |
| Registrite ja Infosüsteemide Keskus |
46 |
| Amazon Europe Core S.à.r.l. |
46 |
| Diskor OÜ |
46 |
| Maxi IT OÜ |
45 |
| H Lundbeck A/S |
45 |
| Onpolar OÜ |
45 |
| Tõukre talu OÜ |
45 |
| AS Bestor Grupp |
44 |
| Kurvits Kinnisvara OÜ |
44 |
| Osaühing VENE REKLAAM |
44 |
| Elkdata OÜ |
43 |
| Synergy Rec |
43 |
| Natural Pharmaceuticals Sp. z o.o. |
43 |
| Svea Bank AB |
42 |