- Heat & Power s.r.l
- heather scott
- Heatherwick Studio
- HEATING SERVICE
- HEAT-POL (heatpol)
- Heatsail
- HEAVY POWER CO., LTD.
- HEBAN ZBIGNIEW WAS I WSPOLNICY S.P.J.
- Hebanon la Bottega dei Maestri Ebanisti
- HEBE GmbH
- Hebei Aim international trade company
- Hebei Fuyang Metal Products Factory
- Hebei Fuyang Metal Products Factory
- Hebei lighting Technology Co.,Ltd.
- HECAPO S.A.
- Hecht
- hecht designfabrik
- hecht einrichtungen
- HECKER Glastechnik GmbH & Co. KG
- Heckert Solar AG
- Heckert-B.X.T Solar GmbH
- HECO ITALIA EFG
- Heco Srls
- hecoproject
- Heco-Schrauben GmbH & Co. KG
- héctor coss arquitectos
- Héctor Fernández Elorza Architect
- Hector Finch Lighting
- HEDAR EDILIZIA METALLICA
- Hedengren Security OY AB
- Hedge
- Heerdt GmbH
- Heerenhuis
- Heerim Architects & Planners
- Hees Raumkonzepte GmbH
- Hefei Sanme Optoelectronic Technology Group Co., Ltd.
- Hegewald & Peschke Meß- und Prüftechnik GmbH
- Hegger Hegger Schleiff Architekten
- Hego - Waterdesign
- HEI Solar Light GmbH
- HEIBI Metall Birmann GmbH
- Heicks Lichttechnik GmbH