3DLES offers project management, educational support, building and scripting for educational projects in OpenSim.

US $15 per month for 45,000 prims on the hypergrid-enabled 3rd Life Grid.

$15 a month for a 15,000 prim region. In-grid currency, hypergrid, and varregions available.

$5 per month for a 20,000-prim region on the hypergrid-enabled 92 Miles Grid.

US$10 a month for a 15,000 prim region on the commercial A Life Virtual grid. No hypergrid.

1,000 Gloebits (about US $5) per month for a standard region on the hypergrid-enabled AnonGrid. Free land and varregions also available.

$35 a month, located on the AnSky grid, for a 15,000-prim region. Hypergrid enabled, Vivox voice.

ARCH Virtual provides resources and design services to clients using Second Life, OpenSim and Unity3D.

US $9 per month for a 45,000-prim region on the hypergrid-enabled Atek Grid. No setup fee.

US$25 a month for a 15,000-prim region on the AviWorlds grid, $45 setup fee. Hypergrid, Vivox, Kitely Market, varregions available.

US$13 per month for a 20,000-prim region on the Baller Nation grid. Vivox voice, hypergrid, in-world currency.

US $6 per month for a 20,000-prim standard region on the hypergrid-enabled Breath in Freedom grid. Variable-sized regions and additional prims also available.

US$16 (15 Euros) for a 25,000-prim region on the open, hypergrid-enabled, non-profit grid Craft World.

Creative Twists Designs offers design, building and other services for companies considering Second Life and OpenSim deployments.

Daden offers consulting, design and building services in virtual worlds, with particular expertise in the areas of web and real world integration, and creating interactive virtual personalities.

Designing Digitally is a development firm that specializes in virtual worlds, e-learning, and 3D training simulations.

$15 a month for a 16,000-prim region on the hypergrid-enabled DigiWorldz grid, no setup fee. Private grid hosting also available on request.

$23 a month for a two-by-two or four-by-four 30,000-prim varregion on the hypergrid-enabled Discovery Grid. Includes Vivox voice and Gloebit currency. 

US$29 a month for a full region on the German-language social grid Dorenas World.

Regions start at $30 a month for a 12,000-prim region, with no setup fee. Full grid hosting starts at $45 per month.

US $8 per month for a 16,000-prim region on the hypergrid-enabled Dynamic Worldz grid. Varregions available.

US $15 per month for a 15,000-prim region on the Encore Escape grid.

US $7 per month for a 15,000 prim region on the hypergrid-enabled Eros Resort grid.

US $50 for a 20,000-prim region, hypergrid enabled, no setup fee. Free lots and other land sizes also available.

US $150 per month for a four-region simulator on the Starlight grid. Building, consulting, and Second Life migration services also available.

Free clothing, textures, animations and scripts, created by Fleep Tuque.

US $19.95 for a 15,000-prim region on the closed, commercial German-language GerGrid. No hypergrid.

US $8.50 for a 20,000-prim region on the hypergrid-enabled GeVolution grid, with a 14-day free trial. Private grids also available, at $150 for the first month and $125 a month after that.

US $11 (CAD $15) with no setup fee for a 15,000-prim region on the hypergrid-enabled Great Canadian Grid.

US $9 per month for a 25,000-prim region, with hypergrid, and 10,000-prim regions for $4. Varregions also available.

The HGExchange multi-grid marketplace delivers products to OSGrid, Haven, Nova, AnSky or MyOpenGrid .

Jeff Lowe is the maker of the BrainBoard, a collaborative note-taking tool for brainstorming and planning.

US$19 ($25 AUD) a month with a US$37 ($50 AUD) setup fee for a 15,000-prim region on the education-focused JokaydiaGrid. No currency. Hypergrid-enabled.

Jon Brouchoud designs virtual environments, 3D experiences and serious game applications in Unity3D, Second Life and OpenSim.

KatiJack Studio is a virtual design firm specializing in landscaping and building which offers region terrains on its website.

US $15 a month for a 15,000-prim on-demand region. Easy OAR exports and imports, voice, hypergrid, megaregions.

A nice starting collection of free skins, hair and textures for OpenSim and Second Life users, all original creations.

US$20 a month with no setup fee for a 30,000 prim region on Littlefield Grid. Hypergrid, Vivox voice, no currency.

US$ 9 (8 Euros) a month for a 15,000-prim region on the education-focused, French-language hypergrid-enabled Logicamp grid.

29 Euros (US $33) a month for up to 45,000 prims. Includes hypergrid, groups and voice. Free varregion upgrade.

US $20 per month for a 20,000-prim region on the hypergrid-enabled Mobius Grid.

US $5 for a full region on the hypergrid-enabled Nara’s Nook grid, an author-friendly cooperative.

Offers furniture, plants, sculpted stairs, wristwatches and a selection of other miscellaneous objects, including scripted vehicles.

US $5 per month for a 15,000-prim region on the hypergrid-enabled Neverworld Grid.

US $22 (or 19.95 Euros) for a 15,000-prim region on the hypergrid-enabled German-language NextLife World grid.

US$12 for a 15,000-prim region on OSgrid, any other open grid, or as a standalone. No setup fees. With Web-based management console, hypergrid, voice.

Free, large, Creative Commons-licensed content collection, which includes avatars, clothing, furniture, buildings, scripts, plants, terrains, textures, and hair and other attachments.

US$9.95 for a 20,000-prim region on the hypergrid-enabled Panthera Grid. Larger sizes also available.

US $45 (40 Euros) for a 15,000-prim region on the Rev World grid that can hold up to 100 visitors. No hypergrid.

Virtual reality design firm specializing in custom design and development for medical training games and simulations.

US $10 per month for a 22,500-prim region on the hypergrid-enabled Social Mouse grid.

US$20 (18 Euro) for a 17,200-prim region on Metropolis or OSgrid. No setup fee. First two weeks free.

$15 per month for a 15,000-prim varregion region on the Tag Grid, no set up fee.  Can hold up to 100 avatars. Can be sized as a single standard region, a 2×2 varregion or 4×4 varregion. Grid has own online content marketplace. No hypergrid.

US$15 per month, no setup fee, for a 15,000-prim region. $1 a month per every 1,000 additional prims. Hypergrid enabled.

US $23 (19.95 Euro) for a 15,000-prim region on The Public World grid. No setup fee. Hypergrid enabled. German language support.

US$13 (12 Euro) a month for a 15,500-prim region that can hold up to 80 avatars, with no setup fee on on OSgrid, Metropolis or other OpenSim grid.

US $7 per month for a 16,000-prim residential region on the hypergrid-enabled Tranquility Virtual Grid. Varegions available, as well as Vivox voice and Gloebits currency.

Virtual world development company working in Second Life and OpenSim.

US $12 (R$50) for a 25,000-prim region on the hypergrid-enabled, Portuguese-language Vida Dupla grid.

10 Euro (US $12) for a 15,000-prim region on the hypergrid-enabled Virtual Islands grid.

US $6 (R$20) for a 15,000-prim region on the hypergrid-enabled, Portuguese-language Virtual Life Brasil grid.

$9 a month (8 Euros) for a 15,000-prim region on the hypergrid-enabled Virtualife grid, no setup fee. Variable-sized regions also available.

US $8.95 a month for a 20,000-prim region on the hypergrid-enabled Virtuality Grid.

US $10 per month for a 15,000-prim region on the open, hypergrid-enabled WestWorld Grid.

$25 a month for 15,000-prim region, located on OSgrid, Metropolis, MyOpenGrid, or any other open grid, either private or hypergrid-enabled. Mini-grids also available.

A selection of free textures, terrains, and a handful of starting skins.

US $14 (12.50 Euros) for a single region with unlimited prims and users and any region configuration. Zetamex also offers private grid hosting with a basic starter package starting at US $198 (175 Euros) a month.

US $11 (10 Euro) per month for a 15,000-prim region on the hypergrid-enabled ZetaWorlds grid.

US $15 per month for a 20,000-prim, two-by-two varregion on the hypergrid-enabled Zinraya Grid.