| Ettevõtte nimi | Reg. kood |
|---|---|
| H2O DESIGN OÜ kustutatud | 10936106 |
| HI DESIGN OÜ kustutatud | 11216022 |
| HK DESIGN OÜ | 12229110 |
| HL DESIGN OÜ | 17503662 |
| HH DESIGN OÜ | 14727705 |
| HI DESIGN OÜ (endine nimi Helen Ilus Disain OÜ) | 11609320 |
| DESIGN HUB OÜ | 12512366 |
| HIC DESIGN OÜ | 16106048 |
| HOO DESIGN OÜ | 16605774 |
| HKP DESIGN OÜ | 14667110 |
| HERZ DESIGN OÜ (endine nimi Rouge Event Decorations OÜ) | 12562878 |
| HOME DESIGN OÜ | 16024735 |
| HERO DESIGN OÜ kustutatud | 12029434 |
| HINT DESIGN OÜ | 12390070 |
| HOUM DESIGN OÜ | 14327213 |
| HYKS DESIGN OÜ | 16066550 |
| HVAC DESIGN OÜ | 16482053 |
| HADO DESIGN OÜ (endine nimi Pathfinders OÜ) | 16130897 |
| HEUT DESIGN OÜ | 12874520 |
| HOLO DESIGN OÜ | 12210790 |
| HENO DESIGN OÜ | 17354340 |
| DESIGN HOUSE OÜ kustutatud | 10752927 |
| DESIGN HAGEN OÜ kustutatud | 16299886 |
| HATTA DESIGN OÜ | 17487957 |
| HECA DESIGNS OÜ | 16321383 |
| HINDA DESIGN OÜ | 16254412 |
| HEFRE DESIGN OÜ | 17046851 |
| HOIDE DESIGN OÜ | 16406052 |
| HANSA HOUSE DESIGN OÜ kustutatud (endine nimi HansaSaag OÜ) | 12318500 |
| HAUGAS DESIGN OÜ | 14981562 |
| HARIAN DESIGN OÜ | 16428065 |
| HOME DESIGN BG OÜ kustutatud | 10683081 |
| HOME DESIGN OÜ UÜ kustutatud (endine nimi OÜ Advantest) | 12024827 |
| HAAKEN DESIGN OÜ | 14370025 |
| HELAN DESIGNI OÜ | 16430760 |
| HAUKKA DESIGN OÜ | 16410007 |
| HIIUMAA DESIGN OÜ kustutatud | 10463557 |
| HIRUNDO DESIGN OÜ (endine nimi Averal Design UÜ) | 16108900 |
| HIPOTER DESIGN OÜ | 11996480 |
| HANSSON DESIGN OÜ | 14345346 |
| HELDON DESIGNS OÜ | 14450283 |
| HOUSE & DESIGNE OÜ (endine nimi Osaühing Skanning) | 11228723 |
| HARMTEX DESIGN OÜ (endine nimi Kadi Consult OÜ) | 12759598 |
| HAARALD DESIGN OÜ | 14846098 |
| HOMELIKE DESIGN OÜ kustutatud | 12261421 |
| HARDWOOD DESIGN OÜ kustutatud | 12537395 |
| HARRIET DESIGNS OÜ | 11181097 |
| HELETUME DESIGN OÜ | 17469511 |
| HÄRKÖNEN DESIGN OÜ | 12780670 |
| BALTIC SEA CONSULT OÜ (endine nimi OÜ HIGHROSE DESIGN) | 11660461 |