Traulsen & Co. was founded by Harry Traulsen in Queens, NY in 1938. In 1998, Premark International (PMI) acquired Traulsen & Co. In 1999 Illinois Tool Works Inc. (ITW) acquired PMI. Kairak, an ITW company, became part of Traulsen.
| Publication Multi-Rak : Kairak Multi-Rak Owner's Manual. |
| Publication TR35705 2003 : Traulsen INTELA-TRAUL Master Service Manual. |
| Publication 35078 : Traulsen Typical Wiring. |
| Traulsen Website : Traulsen Website Home Page. |