Social Bookmarking sites List.

These all bookmarking sites having page rank between 2 to 6 so,it would be really helpful for You.

S.N       Sites                      
1      field-watch.com
2 extendwave.com
3 mikeunwalla.com
4 notteo.com
5 webmaxglobal.com
6 estarshow.com
7 paclate.com
8 paulsatterberg.com
9 supernimbus.com
10 squeezeurl.com
11    zegta.com
12 demand-design.com
13 allribbonsball.com
14 luminatas.com
15 housevoyeur.com
16 gdnet-ict.org
17 theenlistedassociation.com
18 newskalispell.com
19 ubg116.com
20 bicycleinfo.info
21 jesandco.com
22 concerttour.co
23 lam-mpi.net
24 tenfastfeet.info
25 kbrabbitry.com
26 ixospli.info
27 gay4soccer.info
28 sjan.info
29 btido.com
30 chiis.info
31 pnadre.com
32 tvlux.info
33 lavafm.com
34 jihio.info
35 fukasan.info
36 crazyrv.info
37 aqnes.com
38 aducia.com
39 noudia.com
40 pinoylawfirm.com
41 ecammsite.com
42 doctor4-ward.info
43 ideaoverten.co
44 prashangorule.com
45 koreabidet.com
46 airblunt.com
47 tyesmom.com
48 tontoneti.com
49 testroid.com
50 hitoplus.com
51 treksewers.com
52 samarasurf.com
53 nomedites.com
54 mysoreone.com
55 bladeil.com
56 bladevi.com

NOTE: I checked all sites on 22-Jun-2015 and all was working well.