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User Group Directory

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
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 ...
693
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. ...
37
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.
312
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 ...
201
05/25/2007 Safety
For all users engaged in safety related roles.
39
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 ...
79

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
31
05/15/2007 Belgium
Members from Belgium
7
01/25/2007 Brazil
Members from Brazil
4
01/25/2007 Canada
Members from Canada
49
01/25/2007 China
Members from China
6
01/25/2007 Egypt
Members from Egypt
14
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
148
01/25/2007 Indonesia
Members from Indonesia
9
03/17/2008 Iran
Members from Iran
2
01/25/2007 Ireland
Members from Ireland
2
01/25/2007 Israel
Members from Israel
3
01/25/2007 Italy
Members from Italy
2
12/31/2007 Jordan
Members from Jordan
6
03/07/2013 Kenya
Members from Kenya
1
01/25/2007 Kuwait
Members from Kuwait
0
01/25/2007 Malaysia
Members from Malaysia
5
01/25/2007 Mexico
Members from Mexico
5
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
11
03/01/2010 Norway
Members from Norway
1
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
15
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
15
01/25/2007 Spain
Members from Spain
4
01/25/2007 Turkey
Members from Turkey
4
01/25/2007 United Arab Emirates
Members from United Arab Emirates
5
01/25/2007 United Kingdom
Members from United Kingdom
36
01/25/2007 United States
Members from United States
173
05/03/2007 Uruguay
Members from Uruguay
2
12/26/2007 Venezuela
Members from Venezuela
3

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
04/16/2012 CR4 Admins
CR4 administrators and moderators.
15
02/22/2013 CR4 Fans
The break room is a place for conversations that may be too off topic for CR4's general forum. Think of it as a break room at the office or the pub after work. While this forum will not be closely mod ...
138