| Subsidiary | Arbor Networks |
| Parent | Danaher Corporation |
| Start Date | 2010-00-00 |
| End Date | 2015-00-00 |
| Is Current | no |
| Notes | "On August 31, 2010, Tektronix Communications announced that it has completed its acquisition of Arbor Networks. Upon completion of the acquisition, Arbor Networks joins Danaher Corporation's portfolio of communications and enterprise companies, which includes Tektronix Communications." |