| Subject | German | English |
| commun. | Departement Telecom der Schweizerischen Post-,Telefon-und Telegrafenbetriebe | Telecom Department of the Swiss Posts,Telephones and Telegraphs |
| commun. | Departement Telecom der Schweizerischen Post-,Telefon-und Telegrafenbetriebe | Department II |
| commun. | Generalsekretariat Telecom | General Secretariat Telecom |
| commun. | Hauptabteilung Finanzen Telecom | Finance Main Division |
| commun. | Hauptabteilung Informatik Telecom | Information Systems Main Division |
| commun. | Hauptabteilung Logistik Telecom | Logistics Main Division |
| commun. | Hauptabteilung Personal und Organisation Telecom | Personnel and Organization Main Division |
| commun. | Northern-Telecom-Incorporated | Northern Telecom Incorporated |
| commun., industr., construct. | Pro Telecom | Pro Telecom |
| commun., industr., construct. | Pro Telecom | Pro Telecom,Swiss Telecommunications Association |
| commun., industr., construct. | Pro Telecom,Schweizerische Vereinigung der Telekommunikation | Pro Telecom |
| commun., industr., construct. | Pro Telecom,Schweizerische Vereinigung der Telekommunikation | Pro Telecom,Swiss Telecommunications Association |