Industry: Pollution Control Equipment (6 stocks)
| Stock | Dividend Yield | P/E Ratio | Dividend Frequency | Years Paying | DGR |
|---|---|---|---|---|---|
| CECE CECO Environmental Corp. | 4.92% | 52.07 | 4 | 7 | 4% |
| CDTI CDTI Advanced Materials Inc. | - | -0.32 | - | - | - |
| MFRI MFRI, Inc. | 1.45% | 34.04 | - | - | - |
| DCI Donaldson Company Inc. Champions | 1.55% | 24.91 | 4 | 34 | 6% |
| FTEK Fuel Tech Inc. | - | - | - | - | - |
| PPIH Perma-Pipe International Holdings Inc. | - | -15.96 | - | - | - |