| Company | Category | Area | Address | Web | Contact person | |
| XYTRONIX RESEARCH & DESIGN | Commercial Physical Research | Utah | 1488 E 2300 N, LOGAN, Cache, Utah, 84341-1627, USA | www.xytronix.com | - | David Witbeck |
| XYTX INC | Comp Sftwre & Acc | California | 516 W SHAW AVE, FRESNO, Fresno, California, 93704-2515, USA | - | - | ROBERT TAYLOR |
