| | Phone | E-Mail |
| Presidents Office | +302104179480 | president@pcci.gr |
| Office of the President and of the Board of Directors | +302104179480 | secretariat@pcci.gr |
| Director of the Commerce and Industry Departments | +302104177585 | manager-ci@pcci.gr |
| Director of the Administrative and Financial Management | +302104129326 | manager-af@pcci.gr |
| Department of Industry | +302104134793 | industry@pcci.gr |
| Department of Commerce | +302104190850 | commerce@pcci.gr |
| Department of Studies, Public Relations & Press | +302104170529 | studies@pcci.gr |
| Registry Department | +302104129395 | registry@pcci.gr |
| ICT Department | +302104138109 | informatics@pcci.gr |
| Department of Personnel | +302104223364 | personnel@pcci.gr |
| Department of Financial Management | +302104190458 | finance@pcci.gr |
| Department of Record Management | +302104177241-5 (int.226) | protocol@pcci.gr |
| Services | Monday-Friday, 08:00-14:00 |
| Cashiers Office | Monday-Friday, 08:00-14:00 |