User Groups consist of registered CR4 members who have something in common and want others to know about it. Some User Groups require permission to join. Others have open membership. Each User Group has an identifying image or "badge", which members can display in their profiles and posts.

In addition to this User Group Directory, there's also this list of Current User Group Requests. Check it out and let us know which ones you like.

CR4 User Groups

Join a user group and wear your "badge" proudly!

Create Date User Group	Members
04/16/2012 CR4 Admins CR4 administrators and moderators.	14
01/26/2007 Engineering Fields Fields of engineering and other industries. If you would like to see a new badge/membership type added just send an email to CR4 Admin and, if you can, include an image that you'd like me to use ...	618
01/26/2007 Fans of Old Computers Proud of the fact that you could sort punched cards faster than anyone? Still got that CP/M boot disk "just in case"? Admit your age and post pictures and stories from the good old days. ...	34
03/19/2007 Hobbies All work and no play is no fun at all. This group contains some popular (and some less well-known) hobbies.	289
01/26/2007 Popular Science For now this will act as catch-all for concepts science-related concepts. If you would like to see a new badge/membership type added just send an email to CR4 Admin and, if you can, include an im ...	193
05/25/2007 Safety For all users engaged in safety related roles.	33
03/21/2007 Technical Fields Other technical fields (that don't happen to be in "Engineering Fields"). If you would like to see a new badge/membership type added just send an email to CR4 Admin and, if you can, include an im ...	73

It's a Small World

CR4 members come from all over the world. Don’t see your country? Let us know and we’ll add it.

Create Date User Group	Members
01/25/2007 Australia Members from Australia	29
05/15/2007 Belgium Members from Belgium	8
01/25/2007 Brazil Members from Brazil	3
01/25/2007 Canada Members from Canada	49
01/25/2007 China Members from China	4
01/25/2007 Egypt Members from Egypt	13
01/25/2007 France Members from France	5
01/25/2007 Germany Members from Germany	3
01/25/2007 Greece Members from Greece	4
01/25/2007 Hong Kong Members from Hong Kong	1
01/25/2007 India Members from India	137
01/25/2007 Indonesia Members from Indonesia	8
03/17/2008 Iran Members from Iran	1
01/25/2007 Ireland Members from Ireland	2
01/25/2007 Israel Members from Israel	2
01/25/2007 Italy Members from Italy	2
12/31/2007 Jordan Members from Jordan	6
01/25/2007 Kuwait Members from Kuwait	0
01/25/2007 Malaysia Members from Malaysia	3
01/25/2007 Mexico Members from Mexico	4
01/25/2007 Netherlands Members from Netherlands	7
01/25/2007 New Zealand Members from New Zealand	15
01/25/2007 Nigeria Members from Nigeria	10
03/01/2010 Norway Members from Norway	0
01/25/2007 Pakistan Members from Pakistan	10
04/30/2008 Panama Members from Panama	1
08/07/2008 Papua New Guinea Members from Papua New Guinea	4
05/04/2007 Peru Members from Peru	4
01/25/2007 Philippines Members from Philippines	14
01/25/2007 Saudi Arabia Members from Saudi Arabia	3
01/25/2007 Singapore Members from Singapore	5
01/25/2007 South Africa Members from South Africa	14
01/25/2007 Spain Members from Spain	4
01/25/2007 Turkey Members from Turkey	3
01/25/2007 United Arab Emirates Members from United Arab Emirates	5
01/25/2007 United Kingdom Members from United Kingdom	34
01/25/2007 United States Members from United States	167
05/03/2007 Uruguay Members from Uruguay	2
12/26/2007 Venezuela Members from Venezuela	2

Other User Groups

Create Date User Group	Members
12/13/2007 APIX Pilot Plant Design Project Agro-Polymer Industry Complex (APIX) Pilot Plant Design would be a collaborative Open Source Engineered Design (OSED) for an integrated/ interrelated techno-socio-commercial and environmentally beni ...	23

User Group Directory

CR4 User Groups

It's a Small World

Other User Groups

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