Get not one, but two amazing FREE icon packs focused around an office theme. Things like monitors, envelopes, address books, pens, paper and more. Enjoy!
Free Line Icon Set - 40 Icons (SVG, PNG, CHS & ICO) #freeicons #freepsdicons…
"Stylistica" icon set, by DryIcons. Comes with a Free, Commercial and Extended License.
Free Business & Finance Vector Icon Set (EPS)
Caviar is a well-crafted icon set dedicated to match your exquisite designs. Every single detail in each icon was carefully tuned to present minimalism and elegance. With 450 icons, Caviar provides the most essential icons for your app, web and graphic design.
Simple Line Icons (Free PSD, Webfont) by GraphicBurger , via Behance