Article Submission Sites

Article submission is a great link building process in SEO.In this process we have to write an article related to our service or business and submit to various article directory website in the anticipation it will publish into one of their categories.But you have to write unique content and tag them with important keywords and publish on high quality article site.
So here is a list of article submission sites with high PR:

S.N	Site Name	PR
1	Examiner.com	8
2	Technorati.com	7
3	Newsvine.com	7
4	Thefreelibrary.com	7
5	Squidoo.com	6
6	Seekingalpha.com	6
7	Ezinearticles.com	6
8	Webpronwes.com	6
9	Prleap.com	6
10	Hubpages.com	6
11	Thewhir.com	6
12	Gather.com	6
13	Ehow.com	6
14	Websource.com	6
15	Brighthub.com	6
16	Buzzle.com	5
17	Goarticles.com	5
18	Isnare.com	5
19	Threadwatch.org	5
20	Articlecity.com	5
21	New-list.com	5
22	Powerhomebiz.com	5
23	Constant-content.com	5
24	Web-source.net	5
25	Triond.com	5
26	Articlebase.com	5
27	Webproworld.com	4
28	Articlesnatch.com	4
29	Qarchine.com	4
30	Articlebiz.com	4
31	Articlecube.com	4
32	Webknowhow.net	4
33	Articlealley.com	4
34	Amazines.com	4
35	Textbroker.com	4
36	A1articles.com	4
37	Ezinemark.com	4
38	Articlesfactory.com	4
39	Selfgrowth.com	3
40	Bharatbhasha.net	3
41	Selfseo.com	3
42	Articlesphere.com	3
43	Expertarticles.com	3
44	Articlestars.com	3
45	Articledashboard.com	2
46	Articlecontentking.com	2
47	Informationbible.com	2
48	Easyarticles.com	2
49	Factsvault.com	2
50	Content-edge.com	2