- HELIOS Italquartz Srl
- Helios Resource
- HELIOS S.n.c. di GUIDA COSIMO & C.
- Helios Service S.a.s. di Gaffuri Maurizio e C.
- Helios sh.p.k.
- Helios Sistemi Solari
- HELIOS SRL
- HELIOS SRL
- Helios Strategia
- Helios Systems
- HELIOS TECNOLOGIE
- HELIOS VENTILATEURS
- Helios ventilatoren GMBH & CO
- HELIOSISTEMI
- Heliosolare
- HelioSphera Corporate Offices
- HELIOSTEMI
- HELIOSWATT
- heliosystems
- HELIOTECH ENERGIA DAL SOLE SRL
- Heliotech srl
- Helioterm Wärmepumpentechnik Ges.mbH
- Heliotes
- Heliotherm Waermepumpentechnick Gmbh
- Heliotherm Waermepumpentechnik Ges.m.b.H
- Heliotherm Wärmepumpentechnik Ges.m.b.H.
- Heliotrope
- HELIROMA PLASTICOS SA
- HELIX SPING
- HELL SRL
- Hella
- HELLA Italia
- Hella KGaA Hueck & Co.
- Hella Spa
- Helland Möbler A/S
- HELLAS PISCINE
- HELLE Kitchen
- HELLER
- HELLER GROUP
- Heller Hardware Co., Inc.
- HELLER LUCERNARI
- Heller Manus Architects