| Ettevõtte nimi | Reg. kood |
|---|---|
| EFFI OÜ | 17168436 |
| EFFI RPT OÜ | 11065385 |
| EFFI TECHNOLOGIES OÜ | 17260701 |
| EFFI AI SOLUTIONS OÜ | 17306855 |
| EFFIE OÜ | 10509420 |
| EFFIN MOOSE OÜ | 14840643 |
| EFFIC DESIGN OÜ | 16159429 |
| EFFU OÜ | 16090086 |
| EFFA OÜ | 10993545 |
| EFFY AI OÜ | 16901389 |
| EFF STEEL OÜ kustutatud | 16611898 |
| G-RÄIS OÜ (endine nimi Eff Lashes OÜ) | 14655667 |
| EFFINH OÜ | 14497033 |
| EFFING OÜ kustutatud | 14644924 |
| EFFIMAX OÜ | 11617560 |
| EFFICIO OÜ | 12623806 |
| EFFIFIN OÜ | 17317184 |
| EFFICENS OÜ | 12814601 |
| EFFICIENTWS OÜ | 17213935 |
| EFFICA GRUPP OÜ kustutatud | 12000324 |
| NEFFI OÜ | 16528619 |
| ESFI OÜ (endine nimi Tharapita Natural OÜ) | 14307430 |
| EFFISOLUTIONS OÜ kustutatud | 16185579 |
| EFFICIENTGRIDS OÜ | 16739285 |
| EFFICIENT EUROPE OÜ kustutatud | 16447950 |
| EFFICIENT DESIGN OÜ | 12156411 |
| EFFICIENCY PROJEKT OÜ kustutatud | 16217026 |
| ESFI EHITUS OÜ kustutatud | 11024179 |
| ELFI ELEKTER OÜ | 10325275 |
| AFFI INVEST OÜ | 16213718 |
| EFTI EXPERTS OÜ | 16876183 |
| DEFFI STICKERS OÜ | 16289296 |
| ELFI INVEST OÜ | 11370533 |
| EFFICIENT LOGISTICS OÜ | 16693488 |
| EFFICIENT ACCOUNTING OÜ kustutatud | 11142758 |
| KADAKA APARTMENT OÜ (endine nimi Efficens Administrative Service OÜ) | 14735389 |
| GOALS ACCOUNTING OÜ (endine nimi Efficient Law Consulting OÜ) | 12243937 |
| EFFICIENT MARKET SOLUTION OÜ kustutatud | 10529983 |
| EFI ECOTECH PROJECT OÜ | 17213898 |
| EFFICIENT DIGITAL MARKETING AGENCY OÜ | 16955965 |