- Ace Travel
- Achaia (gr)
- Achaia Handicrafts
- Achaika Plastics
- Acharnes (gr)
- Acheloos (gr)
- Achileas Hotel (eng)
- Achilleon Diving Center
- Achillion Hotel
- Achillion Palace (gr - eng - de)
- Acibet (gr)
- Acis Time Creations (gr - eng)
- Acme (gr)
- Acom Texnologia (gr)
- Acon Systems
- Acrilan (gr - eng)
- Acrilix (gr)
- Acronymo (gr)
- Acropol Hotel
- Acropole Hotel (Pireus)
- Acropolis (hellenic Culture)
- Advanced Construction Matrials
- Amadeus Pipes (eng - de)
- American College In Greece
- Aqua Marina (gr - eng)
- Aqua source
- Athens Consulting House
- Axaiki (gr)
- B-Online (gr)
- Ba&by Star (eng - gr)
- Babacos (gr - eng)
- Babis Vosos (gr)
- Baby gr
- Baby Life
- Baby World (gr - eng)
- Babylon Pop Rock
- Babylonia (gr)
- Back Bone
- Backstage Ltd (eng - gr)
- Badmington (gr)
- BF Efstratiadis
- Verdien geld
A - B
C - D
- C&A Communication and Art
- C-id Papadopoulos
- C-Marso (Nail Company)
- C-Tec Computer and Service
- Caan Sports
- Caberos
- Cabilis
- Cablel (gr - eng - fr)
- Cacao Lambert
- Cactus Beach Hotel
- Cactus Hotel Rhodos
- Cadex
- Cadware
- Chamber Of Magnesia
- Computer Lab
- D - Tales
- D-Link Hellas
- Da Bruno Ristorante (eng - gr)
- Daco gr (eng)
- Dadakarides Salt
- Daedalus Hotel (gr - eng)
- Daelim Hellas
- Daemons
- DAF Trucks (gr - eng)
- Dafermos
- Dafni net
- Dagiopoulos (gr)
- Daidalos
- Daihatsu Hellas
- Daikin Air Conditioning
- Daily News - Eidiseis (gr)
- Daios Plastics
- Dais Egaen Students
- Daisy
- Dakar Hellas
- Dakos
- Dalaras Georgos
- Dalcon
- Delta Mixaniki
- Domains .gr