| Company name | Reg. code |
|---|---|
| NSM5 OÜ | 14902752 |
| NSM-IT OÜ | 16856878 |
| VIOTOL OÜ kustutatud (former name NSM UA OÜ) | 14579653 |
| NSMF ENTERPRISES OÜ | 16356265 |
| NSMUA EESTI OÜ kustutatud | 16336759 |
| KSM OÜ | 11691473 |
| JSM OÜ | 14898921 |
| NYM OÜ | 16688984 |
| MSM OÜ | 11372058 |
| GSM OÜ | 12961911 |
| NMM OÜ | 17460778 |
| NSO OÜ (former name A.T.B OÜ) | 16199110 |
| NSG OÜ | 16892006 |
| BSM OÜ | 14588652 |
| ISM OÜ | 14613999 |
| NST OÜ (former name NS Passive Invest OÜ) | 14224105 |
| NESM OÜ | 14581609 |
| ASM OÜ | 12554927 |
| NSP3717 OÜ | 14282901 |
| NSR OÜ | 14114167 |
| NMS OÜ | 14299652 |
| NSV OÜ | 16941302 |
| LSM OÜ | 16699172 |
| DSM CONSULTING OÜ | 17046408 |
| NSA INVEST OÜ | 16182397 |
| MSM SUMMUM OÜ kustutatud | 12444475 |
| MSM TEENUSED OÜ (former name Tartu Nutiladu 24 Express OÜ) | 16126364 |
| KSM INVEST OÜ | 12214159 |
| HSM HOLDING OÜ | 17143910 |
| NSP INTERNATIONAL OÜ | 10883325 |
| EESTI ESM OÜ (former name Aktsiaselts EESTI ESM) | 10176697 |
| NSB HOLDING OÜ | 12985107 |
| NMS DEV OÜ | 16511317 |
| NMS TEKNOLOGI OÜ kustutatud | 16073061 |
| NSP TEENUSED OÜ | 16468834 |
| NSV VARAD OÜ kustutatud | 12417047 |
| NBM VENTURES OÜ | 16380996 |
| NSR LOGISTICS OÜ kustutatud | 14089297 |
| NTM TARTU OÜ kustutatud | 10609133 |
| JSM TEENUSED OÜ | 11434026 |
| KSM INSTALL OÜ | 17250913 |
| ESM HOUSING OÜ kustutatud | 12473867 |
| ASM GRUPP OÜ | 14431123 |
| NSB CONSULT OÜ | 12994141 |
| ISM-ELEKTRO OÜ kustutatud (former name Greenset OÜ) | 12967718 |
| BSM SOUND OÜ | 11993926 |
| GSM LAHENDUSED OÜ | 12160861 |
| HSM FABRICATION OÜ kustutatud | 14244817 |
| NSQ INVEST OÜ kustutatud | 12177560 |
| ASM KÜLITSE OÜ | 10943375 |