AceBoard.net
   Free and fully customizable message boards. Ad-supported.
   http://www.aceboard.net/

Aimoo Forums
   Hosted discussion boards which include a WYSIWYG editor and allows customization.
   http://www.aimoo.com/

AtomicBoards
   Offers free and paid customizable message boards. Free boards are ad-supported.
   http://www.atomicboards.com/

BbBoard
   Offers a feature-packed message board system.
   http://bb.bbboy.net/

Best Web Board
   Offers paid message boards with no ads. Supports custom colors and styles.
   http://www.bestwebboard.com/

BoardHost
   Remotely hosted discussion boards. Free trial available.
   http://www.boardhost.com/

BoardNation
   Offer SMF, phpBB, Invision Power Board, and vBulletin. Free and paid services available.
   http://www.boardnation.com/

BoardServer
   Provides completely customizable message boards. Commercial.
   http://boardserver.superstats.com/

Boards2Go
   Offers a free message board. This service is popup-ad supported.
   http://www.boards2go.com/

Buildaforum.com
   Provides commercial forum hosting. Ad-free.
   http://www.buildaforum.com/

Bulletin Boards
   Offers commercial bulletin boards.
   http://www.bulletinboards.com/

CSD Clubs
   Clubs service with multiple themes and layouts configurable per club. Ad-supported.
   http://csdclubs.com/

ChatArea
   Offers unlimited free remotely hosted forums. Ad-supported.
   http://www.chatarea.com/

Community Builder
   Offers discussion boards and other services that integrate seamlessly into web sites.
   http://community.hunin.com

CreateForum.com
   Provides free discussion board hosting. Ad-supported.
   http://www.createforum.com/

CreateMyBB
   Provides free MyBB forum hosting. Ad-supported.
   http://www.createmybb.com/

DKAT Internet Services
   Paid discussion board hosting services for corporations and large organizations. Also offers password protected forums.
   http://www.dkat.com/

Danethical.com
   Provides forum hosting services. Ad-supported.
   http://www.proforumco.com/

Delphi Forums
   Offers free and paid forum hosting. The paid offer is ad-free.
   http://www.delphiforums.com/

Discussforum.net
   Provides commercial discussion boards which are optimized for web speed.
   http://www.discussforum.net/

Eboards4all
   Offers free ad-supported discussion boards. Features include customizable layout, smilies and moderator options.
   http://www.eboards4all.com/

Edorel.com
   Offers free remotely hosted message boards. Ad-free.
   http://www.edorel.com/

Exco Board
   Offers a simple to use free message board with advanced features. Paid ad-free option available.
   http://excoboard.com

Forum-Host.com
   Provides phpBB and Invision Board hosting. Free boards are ad-supported. Commercial boards are ad-free.
   http://www.forum-host.com/

ForumCo
   Multithreaded, unlimited categories and forums, moderators. Free.
   http://www.forumco.com/

ForumExperts
   XML based hosted forums for corporate and enthusiast websites. Logical threaded layout, markup features include images and formatting. Implemented through customizable control panel.
   http://www.forumexperts.com/

ForumHoster
   Provides free and paid discussion board hosting. Ad-supported.
   http://www.forumhoster.com/

Forumer.com
   Offers Invision and phpBB board hosting services. Ad-supported.
   http://www.forumer.com/

Forumlaunch.com
   Provides commercial forum hosting services.
   http://www.forumlaunch.com/

Free Boards
   Free remotely hosted message boards. Features customizable layout options. Ad-supported.
   http://www.freeboards.net/

Free Power Boards
   Offer free customizable phpBB hosting.
   http://www.freepowerboards.com/

Free YaBB Forum Hosting
   Ad supported YaBB message board hosting. Offers ad removal as paid option.
   http://www.yy2.com/

Hondos Bulletin Board
   Provides remotely hosted discussion boards which support phpBB themes. Paid and ad-supported versions available.
   http://hondos.org/

Hostboard
   Offers paid Ultimate Bulletin Board discussion boards.
   http://www.hostboard.com/

Hostsmf.com
   Provides free SMF based forum hosting. Ad-supported.
   http://www.hostsmf.com

Le Forum
   Offers a highly configurable discussion board hosting service. Ad-supported.
   http://forum.europeanservers.us

Lithium Technologies
   Commercial discussion board hosting. Features extensive management tools, to allow simple, easy management of communities with minimal moderator intervention.
   http://www.lithium.com/

LiveBoards
   Commercial discussion board provider. Features include content scanning, private areas and configurable look.
   http://www.liveboards.com/

Message Realms
   Provides paid customizable message board hosting. Offers a 45 day free trial period.
   http://www.message-realms.com/

Mintro
   Offers remotely hosted message board hosting.
   http://www.mintro.com/

Moncom.net
   Free open discussion forums which can be used as a regular discussion forum or knowledge base.
   http://moncom.net/

Multi-Forums.net
   Offers free Invision Board and phpBB hosting.
   http://www.multi-forums.net/

My Free Forum
   Provides free phpBB and Invision Board based forum hosting.
   http://www.myfreeforum.co.uk/

Network54
   Board hosting service which features custom headers, footers, fonts and also password protected areas.
   http://www.network54.com/

Novogate.com
   Commercial provider which offers two different types of discussion boards.
   http://novogate.com/

OLI YaBB Forum Hosting
   Unlimited sub-boards with web-based administrative controls.
   http://www.onlineinstitute.com/forumsoftware.html

PersonalBoards
   Paid message board hosting service which supports private messages, icons, and polls.
   http://www.personalboards.com/

PickAForum.com
   Provides free phpBB and Invision Board hosting. Ad-supported.
   http://www.pickaforum.com

PoppyDog Web Tools
   Advanced website tools for building a variety of forums and message boards with optional marketing, advertising, and community features built in. Free.
   http://www.poppydog.com

Quick Topic
   Free web bulletin board which supports posting by email. Paid pro version available.
   http://www.quicktopic.com/

Raidersoft
   Simple message board solution for small communities. Paid version available.
   http://mb.raidersoft.com/

Ravelly.com
   Offers a free customizable discussion board. Ad-supported.
   http://www.ravelly.com/

RelyNet
   Remotely hosted ZeroForum and Unite discussion board engines. Commercial.
   http://www.rely.net/

Runboard
   Free customizable message boards. Features include sub domains, security management and global accounts.
   http://www.runboard.com/

Server Room
   Offers commercial phpBB, FUDForum, and XMBforum hosting.
   http://forum.hosting.serverroom.us/

SiteForums
   Forums are easy to manage, flexible, and can be graphically customized.
   http://www.timtyler.com/siteForums/

Smfforfree.com
   Offers free SMF based forum hosting. Ad-supported.
   http://www.smfforfree.com/

Smfhost.com
   Provides free and paid forum hosting based on SMF software. Ad-free.
   http://www.smfhost.com

Stereodreamscene
   Paid discussion board hosting service powered by Snitz Forums.
   http://www.stereodreamscene.co.uk/

Sudden Launch
   Free customizable message boards. Includes sub domain, unlimited boards, posts and threads. Ad-supported.
   http://www.suddenlaunch.com/

Timur.com
   Provides a free, customizable forum hosting service.
   http://www.timur.com/

VivBoard
   Provides free remotely hosted discussion boards. Features large posts and pictures.
   http://www.vivboard.net/

VoyForums
   Free hosted discussion board service. Different layouts to choose from. Ad-supported.
   http://www.voy.com/

ZeroForums.com
   Offers free phpBB and Invisionboard hosting. Pre-installed skins and support forum available. Ad-supported.
   http://www.zeroforums.com