| Company name | Reg. code |
|---|---|
| NANO OÜ | 11382007 |
| NANO24 OÜ kustutatud | 12306827 |
| YLI NANO OÜ | 10872149 |
| NANO SHOP OÜ kustutatud | 12230120 |
| NANO HOUSE OÜ kustutatud | 11691310 |
| NANO CYBER OÜ | 16828095 |
| NANO TRADE OÜ kustutatud | 11991637 |
| NANO GRUPP OÜ | 14279885 |
| NANO AGENCY OÜ | 16501268 |
| NANO MEDICA OÜ | 12052580 |
| NANO INVEST OÜ kustutatud | 14448997 |
| NANO ELEKTER OÜ | 12247585 |
| NANO PROJECT OÜ | 14683865 |
| NANO BUILDING OÜ | 12489064 |
| NANO LOGISTICS OÜ | 16492488 |
| NANO TURVASÜSTEEMIDE OÜ | 10313272 |
| GREEN4NANO OÜ | 17386328 |
| NANOGRAFI NANO TECHNOLOGY OÜ | 14432430 |
| NANO BLUE TECH OÜ (former name MJZ PRODUCTION OÜ) | 14084294 |
| TIPS NANO GROUP OÜ | 14503331 |
| NANO PRO SOLUTIONS OÜ kustutatud (former name Brandiskite OÜ) | 12718234 |
| NANO PERCENTA EESTI OÜ kustutatud | 11485006 |
| NANO MATERIAL ELEMENTS OÜ kustutatud | 11921967 |
| KIIR TAKSO OÜ (former name Nano Solutions OÜ) | 12401968 |
| SIV KINNISVARA OÜ (former name NANO Ehitus OÜ) | 12630381 |
| SAINT SPYRIDON OÜ (former name Upline Nano OÜ) | 14107919 |
| NANOELECTRONICS OÜ (former name OÜ NANO FARM) | 12465276 |
| NANOG OÜ | 16410349 |
| NANOU OÜ | 14693544 |
| NANA OÜ | 12741701 |
| NAND OÜ | 16726391 |
| NANDO ESTONIA OÜ | 17399443 |
| NANA BALTIC OÜ | 10948875 |
| NANA KOOREKAS OÜ kustutatud | 12179375 |
| NAN PEEGEL OÜ | 17089530 |
| JUU-NANA GROUP OÜ | 16304699 |
| NANOMA OÜ kustutatud | 12957938 |
| NANOTH OÜ | 16555734 |
| NANOFY OÜ | 17365846 |
| NANONE OÜ | 11731534 |
| NANOBE OÜ | 14388448 |
| NANOOK OÜ | 14228698 |
| NANOFIX OÜ | 12674488 |
| NANOBOT OÜ | 14174034 |
| NANOREM OÜ kustutatud | 11209708 |
| NANOFIL OÜ | 14670572 |
| NANOVIP OÜ kustutatud | 12752366 |
| NANOWEB OÜ | 14176027 |
| NANOTEK OÜ | 11949428 |
| NANOEST OÜ | 11938241 |