The following list is a sample of Herald Professional users from around the world:
Italy:
- TOTALSOL s.r.l.s. (Telecom Operator, Busto Arsizio, Italy)
- Elettronica Industriale (Milano, Mediaset Group, National Broadcaster)
- Italiana Ponti Radio (Varese, Radio Equipment Manufacturer)
- Sartelco Sistemi srl (Vimercate, MI, System Integrator)
- LCC Italia srl (Rome, LCC International Group, Telecom consulting & Technical Services)
- Defense Telecommunications School (Chiavari, Training Center)
- Italian Communications Ministry (Genoa Department)
- Vocom srl (Napoli, System Integrator)
- TEMIX S.p.A. (Catania, Radio Equipment Manufacturer)
- other smaller telecom installers and consultants
Abroad:
- Chevron Global Upstream & Gas (Oil Company, Houston, USA)
- Active OnLine (Telecom Consulting Services, Gold Coast, Qld, Australia)
- Australian Antarctic Division (Research Center, Kingston, Australia)
- Ambongee Consulting Group (Telecom Consulting & Engineering, Blackburn Victoria, Australia)
- Ergon Energy (Utility Services, Rockhampton Qld, Australia)
- McBratney Engineering Services (Telecom Consulting, Carindale, Qld, Australia)
- Schweizer Electronic AG (Radio Equipment Manufacturer , Reiden, Switzerland)
- TELE Greenland A/S (Telecom Operator, Herlev, Denmark)
- Comita d.d. (Telecom Manufacturer & Installer, Kranj, Slovenia)
- CEMIG Telecom S.A. (Telecom & Utility Services, Minas Gerais, Brazil)
- TELMEX Uruguay (Telecom Operator, Montevideo, Uruguay)
- Broadcast International CORPCA (Broadcasting Company, Venezuela)
- Apus Engenharia (Telecom Consulting, Belo Horizonte, Brazil)
- PCCW-HKT (Telecom Operator, C&W group, Hong Kong)
- Helioss Israel (Telecom Manufacturer, Yoqneam Illit, Israel)
- Millimetrics (Telecom Manufacturer, Givat Hashlosha, Israel)
- EUSKATEL (Telecom operator, Bilbao, Spain)
- ArtSys (System Integrator, Barcelona, Spain)
- Ferrosur Roca (Railway Services, Buenos Aires, Argentina)
- America Movil Peru SAC (Cellular Operator, Lima, Peru)
- Oman Telecom Ministry (Telecom Operator, Oman)
- Sara Technical Supplies (System Integrator, Amman, Jordan)
- IMARAT (Research Center, Hyderabad, India)
- Other smaller telecom operators,consultants, and installers
Universities – Herald is used as a training and demonstration tool. A partial list :
- Portsmouth University (UK, Dr. A. Tawfik)
- UMM Dept. Telecom, Kracow (Poland, Prof. K. Loziak, Prof. Rzeszut)
- Technical University Cluj-Napoca (Romania, Prof. Tudor Palade)
- Cape Peninsula University of Technology (Cape Town,South Africa,Dr. Wenslaus Wanyama)
- Central Institute of Technology,
- Tafe International (Perth, Australia, Prof. Mark Shuttleworth)
- Purdue University, West Lafayette (USA, Prof. C. Thurwachter)