| Gravimetric ECM II | 48.3 | 164 | 339.5% | 1,192,000.00 | 1,197,000.00 | 1,454,000.00 | 21.5% | 59,905,206.63 |
| BZ-5 Scoped Gravimetric ECM | 4.4 | 3,274 | 10,000.0% | 99,990.00 | 104,990.00 | 90,570.00 | -13.7% | 401,058.00 |
| Gravimetric ECM I | 0.5 | 0 | 0.0% | 78,890.00 | 83,890.00 | 0.00 | 0.0% | 74,620.00 |
| FZ-3a Enduring Gravimetric ECM | 0.7 | 548 | 10,000.0% | 28,980.00 | 33,980.00 | 45,000.00 | 32.4% | 31,500.00 |
| CZ-4 Compact Gravimetric ECM
| 0.7 | 130 | 10,000.0% | 219,300.00 | 224,300.00 | 44,880.00 | -80.0% | 24,472.00 |
| 'Plunderer' Gravimetric ECM | None | 0 | 0.0% | 7,386,000.00 | 7,391,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 0.0% | 63,600,000.00 | 63,605,000.00 | 0.00 | 0.0% | 0.00 |
| Panola's Modified Gravimetric ECM | None | 0 | 0.0% | 1,100,000,000.00 | 1,100,005,000.00 | 0.00 | 0.0% | 0.00 |