Establishments primarily engaged in manufacturing industrial inorganic chemicals, not elsewhere classified. Establishments primarily engaged in mining, milling, or otherwise preparing natural potassium, sodium, or boron compounds (other than common salt) are classified in Industry 1474. Establishments primarily engaged in manufacturing household bleaches are classified in Industry 2842; those manufacturing phosphoric acid are classified in Industry 2874; and those manufacturing nitric acid, anhydrous ammonia, and other nitrogenous fertilizer materials are classified in Industry 2873.
| Activated carbon and charcoal | Mixed acid |
| Alkali metals | Muriate of potash, not produced at mines |
| Alumina | Nickel ammonium sulfate |
| Aluminum chloride | Nickel carbonate |
| Aluminum compounds | Nickel compounds, inorganic |
| Aluminum hydroxide (alumina trihydrate) | Nickel sulfate |
| Aluminum oxide | Nuclear cores, inorganic |
| Aluminum sulfate | Nuclear fuel reactor cores, inorganic |
| Alums | Nuclear fuel scrap reprocessing |
| Ammonia alum | Oleum (fuming sulfuric acid) |
| Ammonium chloride, hydroxide, and molybdate | Oxidation catalyst made from porcelain |
| Ammonium compounds, except for fertilizer | Perchloric acid |
| Ammonium perchlorate | Peroxides, inorganic |
| Ammonium thiosulfate | Phosphates, except defluorinated and ammoniated |
| Barium compounds | Phosphorus and phosphorus oxychloride |
| Bauxite, refined | Potash alum |
| Beryllium oxide | Potassium aluminum sulfate |
| Bleach (calcium hypochlorite), industrial | Potassium bichromate and chromate |
| Bleach (sodium hypochlorite), industrial | Potassium bromide |
| Bleaches, industrial | Potassium chlorate |
| Bleaching powder, industrial | Potassium chloride |
| Borax (sodium tetraborate) | Potassium compounds, inorganic: except potassium hydroxide and carbonate |
| Boric acid | Potassium cyanide |
| Boron compounds, not produced at mines | Potassium hypochlorate |
| Borosilicate | Potassium iodide |
| Brine | Potassium metal |
| Bromine, elemental | Potassium nitrate and sulfate |
| Calcium carbide, chloride, and hypochlorite | Potassium permanganate |
| Calcium compounds, inorganic | Propellants for missiles, solid: inorganic |
| Calcium metal | Radium chloride |
| Carbide | Radium luminous compounds |
| Catalysts, chemical | Rare earth metal salts |
| Cerium salts | Reagent grade chemicals, inorganic: refined from technical grades |
| Cesium metal | Rubidium metal |
| Charcoal, activated | Salt cake (sodium sulfate) |
| Chlorosulfonic acid | Salts of rare earth metals |
| Chromates and bichromates | Scandium |
| Chromic acid | Silica gel |
| Chromium compounds, inorganic | Silica, amorphous |
| Chromium salts | Silico-fluorides |
| Cobalt 60 (radioactive) | Silver bromide, chloride, and nitrate |
| Cobalt chloride | Silver compounds, inorganic |
| Cobalt sulfate | Soda alum |
| Copper chloride | Sodium aluminate |
| Copper iodide and oxide | Sodium aluminum sulfate |
| Copper sulfate | Sodium antimoniate |
| Cyanides | Sodium arsenite, technical |
| Desiccants, activated: silica gel | Sodium bichromate and chromate |
| Dichromates | Sodium borates |
| Ferric chloride | Sodium borohydride |
| Ferric oxides, except pigments | Sodium bromide, not produced at mines |
| Ferrocyanides | Sodium chlorate |
| Fissionable material production | Sodium compounds, inorganic |
| Fluorine, elemental | Sodium cyanide |
| Fuel propellants, solid: inorganic | Sodium hydrosulfite |
| Fuels, high energy: inorganic | Sodium molybdate |
| Glauber's salt | Sodium perborate |
| Heavy water | Sodium peroxide |
| High purity grade chemicals, inorganic: refined from technical grades | Sodium phosphate |
| Hydrated alumina silicate powder | Sodium polyphosphate |
| Hydrazine | Sodium silicate |
| Hydrochloric acid | Sodium silicofluoride |
| Hydrocyanic acid | Sodium stannate |
| Hydrofluoric acid | Sodium sulfate-bulk or tablets |
| Hydrogen peroxide | Sodium tetraborate not produced at mines |
| Hydrogen sulfide | Sodium thiosulfate |
| Hydrosulfites | Sodium tungstate |
| Hypophosphites | Sodium uranate |
| Indium chloride | Sodium, metallic |
| Inorganic acids, except nitric or phosphoric | Stannic and stannous chloride |
| Iodides | Strontium carbonate precipitated and oxide |
| Iodine elemental | Strontium nitrate |
| Iodine, resublimed | Sublimate corrosive |
| Iron sulphate | Sulfate of potash and potash magnesia, not produced at mines |
| Isotopes, radioactive | Sulfides and sulfites |
| Laboratory chemicals, inorganic | Sulfocyanides |
| Lead oxides, other than pigments | Sulfur chloride |
| Lead silicate | Sulfur dioxide |
| Lime bleaching compounds | Sulfur hexafluoride gas |
| Lithium compounds | Sulfur recovered or refined including from sour natural gas |
| Lithium metal | Sulfuric acid |
| Luminous compounds, radium | Tanning agents synthetic inorganic |
| Magnesium carbonate | Thiocyanates, inorganic |
| Magnesium chloride | Tin chloride |
| Magnesium compounds, inorganic | Tin compounds, inorganic |
| Manganese dioxide powder, synthetic | Tin oxide |
| Mercury chlorides (calomel, corrosive sublimate), except U.S.P. | Tin salts |
| Mercury compounds, inorganic | Tungsten carbide powder except abrasives or by metallurgical process |
| Mercury oxides | Uranium slug, radioactive |
| Mercury, redistilled | Water glass |
| Metals, liquid | Zinc chloride |
| Codes |
Titles | Total Marketable US Businesses |
| 28190000 | Industrial inorganic chemicals, nec | 1,809 |
| 28190100 | Elements | 387 |
| 28190101 | Alkali metals: lithium, cesium, francium, rubidium | 14 |
| 28190102 | Alkali metals: sodium, potassium | 0 |
| 28190103 | Bromine, elemental | 7 |
| 28190104 | Calcium metal | 0 |
| 28190105 | Fluorine, elemental | 2 |
| 28190106 | Iodine, elemental | 9 |
| 28190107 | Phosphorus, elemental | 1 |
| 28190200 | Inorganic acids except nitric and phosphoric | 13 |
| 28190201 | Boric acid | 3 |
| 28190204 | Hydrochloric acid | 12 |
| 28190205 | Hydrocyanic acid | 0 |
| 28190207 | Sulfuric acid, oleum | 25 |
| 28190300 | Aluminum compounds | 25 |
| 28190301 | Aluminum chloride | 6 |
| 28190302 | Aluminum oxide | 5 |
| 28190303 | Aluminum sulfate | 21 |
| 28190304 | Bauxite, refined | 2 |
| 28190400 | Sodium & potassium compounds, exc. bleaches, alkalies, alum. | 5 |
| 28190401 | Brine | 15 |
| 28190403 | Potassium compounds or salts, except hydroxide or carbonate | 3 |
| 28190404 | Potasssium chloride and cyanide | 0 |
| 28190405 | Potasssium nitrate and sulfate | 4 |
| 28190406 | Sodium compounds or salts, inorg., ex. refined sod. chloride | 9 |
| 28190407 | Sodium hyposulfite, sodium hydrosulfite | 7 |
| 28190408 | Sodium silicate, water glass | 2 |
| 28190409 | Sodium sulfate, glauber's salt, salt cake | 1 |
| 28190410 | Sodium sulfides | 1 |
| 28190500 | Alums | 9 |
| 28190501 | Potash alum | 3 |
| 28190600 | Fuels and radioactive compounds | 2 |
| 28190601 | Cobalt 60 (radioactive) | 1 |
| 28190602 | Fuel propellants, solid: inorganic | 3 |
| 28190603 | Hydrazine | 0 |
| 28190604 | Isotopes, radioactive | 8 |
| 28190605 | Nuclear fuel and cores, inorganic | 12 |
| 28190606 | Nuclear fuel scrap, reprocessing | 3 |
| 28190607 | Nuclear fuels, uranium slug (radioactive) | 8 |
| 28190700 | Carbides | 89 |
| 28190701 | Calcium carbide | 9 |
| 28190702 | Tungsten carbide powder, except abrasive or metallurgical | 6 |
| 28190800 | Silica compounds | 19 |
| 28190801 | Silica gel | 4 |
| 28190802 | Silica, amorphous | 2 |
| 28190900 | Metal salts and compounds except sodium, potassium, aluminum | 6 |
| 28190901 | Barium compounds | 2 |
| 28190902 | Calcium chloride and hypochlorite | 4 |
| 28190903 | Calcium compounds and salts, inorganic, nec | 21 |
| 28190904 | Chromates and bichromates | 1 |
| 28190905 | Chromium compounds or salts, inorganic | 0 |
| 28190906 | Cobalt compounds and salts, inorganic | 0 |
| 28190907 | Copper compounds or salts, inorganic | 8 |
| 28190908 | Inorganic metal compounds or salts, nec | 12 |
| 28190909 | Iron (ferric/ferrous) compounds or salts | 5 |
| 28190910 | Lead compounds or salts, inorganic, not used in pigments | 5 |
| 28190911 | Lithium compounds, inorganic | 14 |
| 28190912 | Magnesium compounds or salts, inorganic | 13 |
| 28190913 | Manganese dioxide powder, synthetic | 1 |
| 28190917 | Mercury, redistilled | 4 |
| 28190918 | Nickel compounds or salts, inorganic | 2 |
| 28190919 | Silver compounds or salts, inorganic | 2 |
| 28190921 | Tin (stannic/stannous) compounds or salts, inorganic | 3 |
| 28190922 | Zinc chloride | 2 |
| 28191000 | Nonmetallic compounds | 14 |
| 28191001 | Bleaching powder, lime bleaching compounds | 1 |
| 28191002 | Boron compounds, nec, not from mines | 5 |
| 28191003 | Charcoal (carbon), activated | 45 |
| 28191004 | Cyanides | 2 |
| 28191005 | Heavy water | 6 |
| 28191006 | Hydrogen sulfide | 3 |
| 28191008 | Hypophosphites | 0 |
| 28191009 | Iodides, nec | 1 |
| 28191010 | Peroxides, hydrogen peroxide | 11 |
| 28191011 | Phosphates, except fertilizers: defluorinated and ammoniated | 7 |
| 28191012 | Sulfur chloride | 5 |
| 28191013 | Sulfur dioxide | 0 |
| 28191015 | Sulfur, recovered or refined, incl. from sour natural gas | 22 |
| 28191100 | Ammonium salts and compounds | 1 |
| 28191101 | Ammonium chloride, hydroxide, and molybdate | 1 |
| 28191102 | Ammonium compounds, except fertilizers, nec | 3 |
| 28199901 | Catalysts, chemical | 128 |
| 28199902 | Chemicals, high purity: refined from technical grade | 87 |
| 28199903 | Chemicals, reagent grade: refined from technical grade | 53 |
| 28199904 | Tanning agents, synthetic inorganic | 6 |
