1. Rain Bird Corporation, USA. **
2. Randell Equipment Co. Inc, USA.
3. The Rapat Corporation, USA. **
4. Rapid Automated Systems Inc., USA.
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5. Rayne Land Planes Inc, USA.
6. Red Ewald Inc, USA. **
7. Red Hen Systems Inc, USA. **
8. Red Horse Technologies Inc., USA.
9. Reese Equipment Inc, USA. **
10. Reinke Manufacturing Company Inc, USA.
**
11. Remlinger Mfg., USA. **
12. Reynolds International, USA. **
13. Rhino, USA. **
14. R H Machine Inc, USA. **
15. RHS Inc, USA. **
16. Rice Hydro Inc., USA. **
17. Richway Industries, USA. **
18. Riley Equipment Inc., USA. **
19. Ritchie Industries, USA. **
20. R J Manufacturing Inc, USA.
21. Roberts Irrigation Products Inc, USA.
**
22. Roll-a-Cone, USA. **
23. Rome Plow Company, USA. **
24. Root-Lowell Manufacturing Co, USA.
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25. Rotomix Inc, USA. **