41. Searchenginestrategies.com
Search Engine Strategies (SES) - global search engine marketing event, conference, training and expo series covering search engine optimization (SEO), paid search advertising, social media marketing & related interactive advertising tactics.
http://www.searchenginestrategies.com

42. Business.com
The leading business search engine and business directory designed to help its users find the companies, products, services, and information they need to make the right business decisions.
http://www.business.com

43. Koders.com
The largest open source code search engine. Find, download and reuse open source code examples, projects and snippets in over 30 programming languages.
http://www.koders.com

44. Sempo.org
SEMPO is a non-profit professional association working worldwide to increase awareness and promote the value of Search Engine Marketing worldwide.
http://www.sempo.org

45. Searchengineblog.com
Provides regular search engine news and views. Searchengineblog.com is the original search engine blog.
http://www.searchengineblog.com

46. Chemindustry.com
ChemIndustry.com is the search engine of the chemical world. The best place for chemists and chemical industry professionals to find chemicals, equipment, services and chemical resources.
http://www.chemindustry.com

47. Wisenut.com
코리아와�즈넛, 정보 수집기 WISE IF 출시 현대는 �료들� �발�으로 �성, 유통�고 있는 정보화 시대다. �런 방대한 �료들 ��서 가치있는 정보들� 걸려내는 능력� 개� �는 조�,
http://www.wisenut.com

48. Websearch.about.com
Web search secrets, search engine information, Web 2.0 tools and tips and more at About Web Search, your best resource for learning how to search the Web more productively.
http://websearch.about.com

49. Searchengineworld.com
Search Engine Optimization Search Engine Daily Update WebmasterWorld Weekly Global Roundup SearchEngineWorld Featured Articles, Aug. 7, 2008 Aug. 7 Google Utilizes Its DoubleClick Arm To Enhance Online Advertisements Posted in Google General by
http://www.searchengineworld.com

50. Bigmouthmedia.com
Search engine optimisation (optimization),search engine marketing and internet marketing services by Bigmouthmedia big, clever internet marketing
http://www.bigmouthmedia.com