Industry: Pollution Control Equipment (6 stocks)
| Stock | Dividend Yield | P/E Ratio | Dividend Frequency | Years Paying | DGR |
|---|---|---|---|---|---|
| PPIH Perma-Pipe International Holdings, Inc. | - | 17.46 | - | - | - |
| FTEK Fuel Tech, Inc. | - | -2.23 | - | - | - |
| CDTI CDTi Advanced Materials, Inc. | - | -0.10 | - | - | - |
| DCI Donaldson Co., Inc. Champions | 1.81% | 23.60 | 4 | 36 | 5% |
| MFRI MFRI, Inc. | 1.45% | 34.04 | - | - | - |
| CECE CECO Environmental Corp. | 4.92% | 12 | 4 | - | - |