| 1. | EndRun Technologies | | | Offers timing equipment designed to work in conjunction with NTP. www.endruntechnologies.com |
| 2. | Brandywine Communications | | | Offers advanced off-the-shelf and custom time and frequency solutions including Network Time Protocol servers. brandywinecomm.com |
| 3. | Time Service Department | | | The official source of time used in the United States and provides time services in various ways, including through NTP. tycho.usno.navy.mil |
| 6. | Network Time Protocol Version 3 | | | Aimed primarily at helping internal BNL users with NTP, this page provides useful setup information for various flavors of Unix. www.ccd.bnl.gov |
| 8. | Meinberg radio clocks and NTP time server | | | Develops and manufactures time and frequency products, NTP time servers, radio clocks synchronized by DCF77 or GPS, slotcards, standalone systems and customer specific solutions for all time synchronizing needs. www.meinberg.de |
| 10. | NTP with TymServer | | | Ntp time server, time synchronization and network time protocol, TymServe software solutions provided for added security behind the firewall. www.tymserve.com |
| 11. | NTP - The Network Time Protocol | | | A good information page about NTP and network synchronization. With examples for the NTP configuration with a NTP Timeserver or GPS controlled time sources. www.ntp-zeit.de |
| 12. | Public NTP Time Servers | | | A list of publicly available stratum 1 and 2 Network Time Protocol servers. www.eecis.udel.edu |
| 14. | Symmetricom, Inc. | | | Offers a variety of timing equipment including dedicated NTP servers. www.symmetricom.com |
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