| Teledyne Monitor Labs | Insitu (NOx/SOx) | |
| Insitu (O2) | http://www.teledyne-ml.com/sm425.asp | |
| Standard Extractive | http://www.teledyne-ml.com/660systems.asp | |
| Dilution Extractive | http://www.teledyne-ml.com/675system.asp | |
| Gas Flow /temperature | http://www.teledyne-ml.com/flow_main.asp | |
| Analysers | http://www.teledyne-ml.com/Tseries_compound.asp | |
| Stack Particulates | http://www.teledyne-ml.com/laserhawk.asp | |
| Stack Opacity | http://www.teledyne-ml.com/opacity.asp | |
| Gasmet FTIR | CEMS Stations | http://www.gasmet.com/products/stationary-systems | 
| OPSIS | 
 CEMS  | 
 http://www.opsis.se/Products/ProductsCEMProcess/tabid/1053/language/en-US/Default.aspx  | 
| ECOM | 
 Portable Emissions Analysers  | 
|
| Apex Instruments | 
 Sampling Systems  |