| 1 | APMC GONDAL | Soil Testing Laboratories | | | |
| 2 | Dry Farming Reaserch Station, JAU, Targhadiya, | Soil Testing Laboratories | | | |
| 3 | H & H.B Kotak Science college | Soil Testing Laboratories | | | |
| 4 | H HB KOTAK INSTITUTE OF SCIENCE RAJKOT | Soil Testing Laboratories | | | |
| 5 | MATRUSHRI VIRBAI SCIENCE COLLAGE RAJKOT | Soil Testing Laboratories | | | |
| 6 | STL RAJKOT | Soil Testing Laboratories | | | |
| 7 | Shree Manjibhai Virani & Smt Nacalben Virani Scien | Soil Testing Laboratories | | | |
| 8 | Shree Manjibhai Virani & Smt Navalben virani scien | Soil Testing Laboratories | | | |
| 9 | Soil Testing Laboratory,Rajkot | Soil Testing Laboratories | | | |
| 10 | VIRANI SCIENCE COLLAGE RAJKOT | Soil Testing Laboratories | | | |