1. CLP POWER HONG KONG LTD
  2. CLPe SOLUTIONS LTD
  3. MTRC
  4. ATAL ENGINEERING LTD
  5. THE JARDINE ENGINEERING CO LTD
  6. SHINRYO (HONG KONG) LTD
  7. WATER SUPPLIES DEPARTMENT
  8. EMSD
  9. DRAINAGE SERVICES DEPARTMENT
  10. FIRE SERVICES DEPARTMENT
  11. CHINESE UNIVERSITY
  12. CITY UNIVERSITY OF HONG KONG
  13. THE HONG KONG UNIVERSITY OF SCIENCE & TECHNOLOGY
  14. SIEMENS LTD
  15. KML ENGINEERING LTD
  16. CHEVALIER (E & M CONTRACTING) LTD
  17. TORISHIMA (HONG KONG) LTD
  18. URBAN PROPERTY MANAGEMENT LTD
  19. GTECH
  20. BALFOUR BEATTY E & M SERVICES
  21. JOHNSON CONTROLS HONG KONG LTD
  22. SOUTHA TECHNICAL LTD
  23. SHUN CHEONG ELECTRICAL ENGINEERING CO LTD
  24. SHUN HING ENGINEERING CONTRACTING CO LTD
  25. KINDEN CORPORATION
  26. KUM SHING (K.F.) CONSTRUCTION CO LTD
  27. COMPANHIA DE ELECTRICIDADE DE MACAU-CEM S.A.
  28. SOCIEDADE DE JOGOS DE MACAU SJM S.A.
  29. EMPRESA ELECTRICA LDA MACAU
  30. E&E-EMPRESA DE INSTALACOES & ENGENHARIA, LDA MACAU
  31. JEBSEN CONSULTANTS & ENGINEERING CO LTD MACAU
  32. ECOSMART ENERGY MANAGEMENT LTD
  33. SOLAR GREEN ENGINEERING LTD
  34. WIDEX TECHNOLOGY DEVELOPMENT LTD
  35. HONGFAITH ENGINEERING LTD
  36. JES LINK LTD
  37. CHALLENGE ENGINEERING CO LTD
  38. FUSION-TECH LTD