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網站（18）
Science Forum 科學及超自然現象版討論區p.xocat.com/p/forum-37-1.html
包括天文、地理、氣象、物理、化學及生物等；超自然現象如外太空生物、不明飛行物體(UFO)、科幻、預言、玄學、鬼故事及鬼怪等。
Wyith R. Cheng and Associateswww.wyith.com/
specialised in various technical fields, mainly in Industrial Engineering, Industrial Automation, Electric Machinery, Robot Systems and CAD/CAM Interfaces
Association for Computing Machinery Hong Kong Chapterwww.cs.cuhk.hk/~acm-hk/
iCABLE科學資訊www.i-cable.com/opendir/sciences.html
收集天文、地理、宇宙、自然科學等科學資訊網址。
Web Directory: Mainland Science and Technology Institutions 中國科研機構網www.chinatech.gov.hk
provides Hong Kong Special Administrative Region with mainland industrial, commercial, scientific and technological information, to facilitate more technological and commercialisation joint ventures between the mainland and the HKSAR. 為香港企業提供中國內地工程、信息科技、電腦、中醫藥和環境科學等工商科技信息，以促成更多內地與香港在科技及商品化方面的合作。
Science Education 超媒體自學中心 - 科學www.ied.edu.hk/has/sci/
由香港教育學院製作，為中學提供科學的教材，包括科學探究技巧、科學教室、英漢詞彙、相關網址。
DC Technologies 德勝科技www.dctechnologies.com
specialize in fiber interconnection solutions: optical fiber, single mode, multimode, patchcord, pigtail, optical adaptor, insertion loss, optical return loss, FC, SC, ST, SMA, MP, PC, SPC, UPC, APC, FDDI, ESCON, LC, wallmount fiber enclosure, optical connector polishing tools, hand polishing disc, GR-326-CORE, FOTP, rack mount interconnect cabinet, splice cabinet, connector panel cabinet, splice tray, Methode Fiber Optic Cable Management Products, distributor of Methode Fiber Optic Cable Management Products.
The Southa Groupwww.southa.com
The Southa Group of Companies is a multi-disciplined professional service organisation providing engineering technical expertise.
ScienceBasics.comwww.sciencebasics.com
Daily science news from a list of magazines, journals and science web site directory.
Hong Kong Science Colloquium Forum 科學研討論壇science.board.dk3.com
提供自然科學和經濟學上的研討，內設化學問題庫。