Did you just run into a download or a file on your computer that has a digital signature from JEPPESEN SANDERSON, INC.? If so, please read on.
You will probably see JEPPESEN SANDERSON, INC. when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the JEPPESEN SANDERSON, INC. certificate with the following steps:
Here's a screenshot of a file that has been signed by JEPPESEN SANDERSON, INC.:

As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by JEPPESEN SANDERSON, INC. and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can see all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also examine the address for JEPPESEN SANDERSON, INC., such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the JEPPESEN SANDERSON, INC. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the JEPPESEN SANDERSON, INC. files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 0/44 | JSUM.exe |
The detection percentage is based on that I've gathered 44 scan reports for the JEPPESEN SANDERSON, INC. files. 0 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: