| Name | Category | Address | City | Opening hours |
|---|---|---|---|---|
| Lambda Systeme Kft. Sashalom / Lambda Stúdió | Building materials supplier | Nagyicce sor 4 | Budapest | Mon 07:00–16:00 |
| Lambda Systeme Kft. | Building materials supplier | Monostorpályi út 33 | Debrecen | Mon–Fri 07:00–16:00 |
| Lambda Systeme Kft. | Building materials supplier | Vásár u. 4 | Szeged | — |