PNG ICO ICNS MORE
UI
Pixel
Fugue Icons
hat, worker, Hard
SaddleBrown
16x16
Minus, hat, Hard
hat, Hard, plus
hat, worker, pencil
worker, hat, helmet
Orange
Goldenrod
supervisor, Admin, Boss
DarkGoldenrod
user, worker
DarkCyan
Education & science
3D
Impressions
radiation, nuclear, worker
Black
400x400
Business & finance
Seven
Cap, worker, man with cap
Network & communications
Smooth
Oxygen
equipment, job, industry
Gold
128x128