| Gravimetric ECM II | 50.2 | 227 | 452.2% | 1,365,000.00 | 1,370,000.00 | 1,455,000.00 | 6.2% | 55,802,786.64 |
| BZ-5 Scoped Gravimetric ECM | 5.1 | 3,285 | 10,000.0% | 108,000.00 | 113,000.00 | 88,750.00 | -21.5% | 464,830.33 |
| Gravimetric ECM I | 0.5 | 0 | 0.0% | 100,500.00 | 105,500.00 | 0.00 | 0.0% | 74,620.00 |
| FZ-3a Enduring Gravimetric ECM | 0.7 | 574 | 10,000.0% | 31,020.00 | 36,020.00 | 45,000.00 | 24.9% | 31,500.00 |
| CZ-4 Compact Gravimetric ECM
| 0.2 | 153 | 10,000.0% | 66,000.00 | 71,000.00 | 44,880.00 | -36.8% | 7,000.00 |
| 'Plunderer' Gravimetric ECM | None | 0 | 0.0% | 7,418,000.00 | 7,423,000.00 | 0.00 | 0.0% | 0.00 |
| Legion Gravimetric ECM | None | 0 | 0.0% | 65,300,000.00 | 65,305,000.00 | 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 |