| 83563 | Testing and analysis of mechanical equipment | |
| 83561 | Testing and analysis of minerals | |
| 83561 | Testing and analysis of municipal waste | |
| 83561 | Testing and analysis of soil | |
| 83562 | Testing and analysis of the physical properties of concrete | |
| 83562 | Testing and analysis of the physical properties of glass | |
| 83562 | Testing and analysis of the physical properties of metals | |
| 83562 | Testing and analysis of the physical properties of other materials | |
| 83562 | Testing and analysis of the physical properties of plastics | |
| 83562 | Testing and analysis of the physical properties of textiles | |
| 83562 | Testing and analysis of the physical properties of wood | |
| 83562 | Testing and analysis of the tensile properties of concrete | |
| 83562 | Testing and analysis of the tensile properties of glass | |
| 83562 | Testing and analysis of the tensile properties of metals | |
| 83562 | Testing and analysis of the tensile properties of other materials | |
| 83562 | Testing and analysis of the tensile properties of plastics | |
| 83562 | Testing and analysis of the tensile properties of textiles | |
| 83562 | Testing and analysis of the tensile properties of wood | |
| 83561 | Testing and analysis of water | |
| 83563 | Testing and analysis services of integrated mechanical and electrical systems | |
| 83562 | Testing and analysis services of physical properties | |
| 83561 | Testing and analysis, bacteriological | |
| 83561 | Testing and analysis, biochemical | |
| 83561 | Testing and analysis, biological | |
| 83561 | Testing and analysis, chemical | |
| 83561 | Testing and analysis, microbiological | |
| 83562 | Testing and analysis, physical | |
| 48262 | Testing apparatus for mechanically testing physical properties of industrial materials | |
| 87154 | Testing instruments, maintenance and repair of | |
| 83160 | Testing of computer programs | |
| 85112 | Testing of job applicants by employment agencies | |
| 85111 | Testing of job applicants by executive search services | |
| 32135 | Testliner (recycled liner board) | |
| 35250 | Testosterone (INN), not put up as medicaments | |
| 37195 | Test-tubes, glass | |
| 34270 | Tetraamminonickel nitrate | |
| 34270 | Tetraammonium hexacyanoferrate | |
| 34230 | Tetraboric acid | |
| 34250 | Tetrachloroauric (III) acid | |
| 34110 | Tetrachloroethylene | |