Here are the list of search engine submission sites.
Search engines submission list
(1) Google :- https://www.google.com/webmasters/tools/submit-url
(2) Bing :- http://www.bing.com/toolbox/submit-site-url
(3) Yandex :- http://webmaster.yandex.com/addurl.xml
(4) Baidu :- http://zhanzhang.baidu.com/sitesubmit/index
(5) Sogou :- http://www.add-url.fr/2013/12/submit-url-to-sogou.html
(6) Exalead :- http://www.exalead.fr/search/web/submit/
(7) Gigs Blast :- http://www.gigablast.com/addurl
(8) InfoTiger :- http://www.infotiger.com/addurl.html
(9) ActiveSearchResults :- http://www.activesearchresults.com/addwebsite.php
(10) Official :- http://www.official.my/addurl.php
(11) Amfibi :- http://addurl.amfibi.com/
(12) Anoox :- http://www.anoox.com/add_for_indexing_free.php
(13) Beamed :- http://beamed.com/search/index.php?p=2
(14) Wotbox :- http://www.wotbox.com/addurl
(15) Voila :- http://referencement.ke.voila.fr/
(16) UserTown :- http://www.usertown.de/submit/
Search engines submission list
(1) Google :- https://www.google.com/webmasters/tools/submit-url
(2) Bing :- http://www.bing.com/toolbox/submit-site-url
(3) Yandex :- http://webmaster.yandex.com/addurl.xml
(4) Baidu :- http://zhanzhang.baidu.com/sitesubmit/index
(5) Sogou :- http://www.add-url.fr/2013/12/submit-url-to-sogou.html
(6) Exalead :- http://www.exalead.fr/search/web/submit/
(7) Gigs Blast :- http://www.gigablast.com/addurl
(8) InfoTiger :- http://www.infotiger.com/addurl.html
(9) ActiveSearchResults :- http://www.activesearchresults.com/addwebsite.php
(10) Official :- http://www.official.my/addurl.php
(11) Amfibi :- http://addurl.amfibi.com/
(12) Anoox :- http://www.anoox.com/add_for_indexing_free.php
(13) Beamed :- http://beamed.com/search/index.php?p=2
(14) Wotbox :- http://www.wotbox.com/addurl
(15) Voila :- http://referencement.ke.voila.fr/
(16) UserTown :- http://www.usertown.de/submit/