Science and Nature
- 66
- Nielsen Kellerman Inc.
- Manufacturer of the Kestrel Wind/Weather meters. Measures wind speed, temperature, and humidity.
- 68
- Speranza Weather Service
- Offers weather instruments, thermometers, wireless weather stations, rain gauges, and barometers.
- 71
- Weather Cycler
- Chart and instructional material to help weather educators, enthusiasts, aviators and sailors interpret weather forecasts.
- 73
- Weatherhawk
- Offers a weather station for home or light industrial use, wireless or wired, to be connected to a computer.
- 75
- Ambar Azul
- Dominican rough blue amber for jewellers and collectors. Located in Christiana, Delaware.
- 77
- TerraTreasures
- Offers Dominican amber (including blue amber). Full color pictures of specimens and descriptions of the mine and mining technique.