PNG MORE
Business & finance
Pixel
24x24 Free Pixel Icons
group, user
Black
24x24
PNG ICO ICNS MORE
Network & communications
16x16 Free Application Icons
16x16
Family & home
Free Simple Icons
Users, group
MidnightBlue
32x32
UI
Blueberry
group, friends
YellowGreen
Windows 8 Pack (Metro Style)
group, people humans
DarkSlateGray
26x26
Mixed
IconSweets 2
profiles, group, Users
40x40
group, Users, people
Mouse, Users, group
group, Users
Tiny IM Icons
Users, group, forum
Icon for MealKeeper
Ingredient, group
Gainsboro
Silver
Signs & symbols
Kiwi
group
Lingo
group, Add
group, delete
WooFunction Icon set
Business, Users, friends
GIS
PaleTurquoise
group, Add, Layer
Fugue Icons
group, Layers
SteelBlue
ui, Box, group
Gray
Gnome icons
frame, group, Form
Snow
forum, friends, people
48x48
group, Enter