| 34150 | Imide derivatives, organic-substituted, of inorganic acids | |
| 34150 | Imides and their derivatives, and salts thereof (excl. organic imide derivatives of inorganic acids) | |
| 34150 | Imine-function compounds | |
| 34150 | Imines and their derivatives, and salts thereof (excl. cyclic polymers of aldimines) | |
| 34150 | Imino ethers | |
| 34150 | Iminodiacetonitrile | |
| 34160 | Imipramine hydrochloride (INNM) | |
| 93329 | Immigrants, social assistance rendered to | |
| 35290 | Immunoglobulin, normal, human | |
| 44513 | Impact grinders for flour mills | |
| 83562 | Impact resistance testing and analysis of concrete | |
| 83562 | Impact resistance testing and analysis of glass | |
| 83562 | Impact resistance testing and analysis of metals | |
| 83562 | Impact resistance testing and analysis of other materials | |
| 83562 | Impact resistance testing and analysis of plastics | |
| 83562 | Impact resistance testing and analysis of textiles | |
| 83562 | Impact resistance testing and analysis of wood | |
| 48262 | Impact test machinery for testing industrial materials | |
| 48244 | Impedance bridges | |
| 43253 | Impellers for fans, gas pumps or compressors | |
| 44190 | Implement-lifting mechanisms for harvesters, mowers or rakes | |
| 73121 | Implements, agricultural, rental or leasing of, without operator | |
| 44913 | Impregnating machines for paper or paperboard | |
| 44621 | Impregnating machines for textile yarns or fabrics (excl. warp-sizing machines and centrifuges) | |
| 44611 | Impregnating machines for unspun textile fibres | |
| 44222 | Impregnating machines, non-centrifugal, for wood | |
| 88130 | Impregnation of wood with preservatives or other materials | |
| 35440 | Impression compounds, dental, in plates, horseshoe shapes, sticks or similar forms | |
| 85400 | Imprinting of packages | |
| 83160 | Improvement of computer programs | |
| 23999 | Improvers for bakers' wares, consisting of a mixture of chemicals with foodstuffs (flour, fat, sugar, milkpowder, etc.) | |
| 48490 | Impulse pins for clocks or watches | |
| 43142 | Impulse turbines | |
| 39170 | Impure potassium hydrogen tartrate | |
| 84121 | Inbound (1-800, 888, 877) long distance services | |
| 91280 | Incarceration, administrative services related to the operation of places of | |
| 91280 | Incarceration, operation of places of | |
| 44740 | Incendiary shells or cartridges | |
| 03230 | Incense (natural gum resin) (excl. prepared) | |
| 37193 | Incense burners, of glass | |