| NIGP Code | Description |
| 00500 | ABRASIVES |
| 00505 | Abrasive Equipment and Tools |
| 00514 | Abrasives, Coated: Cloth, Fiber, Sandpaper, etc. |
| 00521 | Abrasives, Sandblasting, Metal |
| 00528 | Abrasives, Sandblasting (Other than Metal) |
| 00542 | Abrasives, Solid: Wheels, Stones, etc. |
| 00556 | Abrasives, Tumbling (Wheel) |
| 00563 | Grinding and Polishing Compounds: Carborundum, Diamond, etc. (For Valve Grinding Compounds See Class 075) |
| 00570 | Pumice Stone |
| 00575 | Recycled Abrasives Products and Supplies |
| 00584 | Steel Wool, Aluminum Wool, and Copper Wool |
| 01000 | ACOUSTICAL TILE, INSULATING MATERIALS, AND SUPPLIES |
| 01005 | Acoustical Tile, All Types (Including Recycled Types) |
| 01008 | Acoustical Tile Accessories: Channels, Grids, Mounting Hardware, Rods, Runners, Suspension Brackets, Tees, Wall Angles, and Wires |
| 01009 | Acoustical Tile Insulation |
| 01011 | Adhesives and Cements, Acoustical Tile |
| 01014 | Adhesives and Cements, Insulation |
| 01017 | Aluminum Foil, etc. |
| 01030 | Bands, Clips, and Wires (For Pipe Insulation) |
| 01038 | Clips, Pins, etc. (For Duct Insulation) |
| 01041 | Cork: Blocks, Boards, Sheets, etc. |
| 01045 | Exterior Insulation and Finish Systems |
| 01053 | Fiberglass: Batts, Blankets and Rolls |
| 01056 | Foam Glass: Blocks, Sheets, etc. |
| 01057 | Foam-in-Place Insulation: Phenolic, Urethane, etc. |
| 01059 | Foam Plastics: Blocks, Boards, Sheets, etc. |
| 01062 | Insulation, Interior |
| 01063 | Insulation, Blown Type |
| 01064 | Insulation, Loose Fill |
| 01065 | Jacketing (For Insulation): Canvas, Osnaburg, etc. |
| 01070 | Magnesia: Blocks, Sheets, etc. |
| 01072 | Mineral Wool: Blankets, Blocks, Boards |
| 01075 | Paints, Primers, Sealers, etc. (For Insulation) |
| 01076 | Paper Type Insulation Material (Cellulose, etc.) |
| 01078 | Pipe and Tubing Insulation, All Types |
| 01081 | Preformed Insulation, All Types (For Ells, Tees, Valves, etc.) |
| 01083 | Recycled Insulation Materials and Supplies, All Types |
| 01084 | Rubber Insulation |
| 01500 | ADDRESSING, COPYING, MIMEOGRAPH, AND SPIRIT DUPLICATING MACHINE SUPPLIES: CHEMICALS, INKS, PAPER, ETC. |
| 01506 | Addressing Machine Supplies, Metal and Plastic Plate Type |
| 01510 | Addressing Machine Supplies, Paper Plate Type |
| 01515 | Chemicals and Supplies, Dry (For Bond Paper Type Copying Machines) |
| 01516 | Chemicals and Supplies, Wet (For Bond Paper Type Copying Machines) |
| 01520 | Chemicals and Supplies (For Spirit Type Duplicating Machines) |
| 01525 | Chemicals, Inks, and Supplies (For Mimeograph Machines) |
| 01538 | Paper, Chemicals, and Supplies (For Blueline Machines) |
| 01539 | Paper, Chemicals, and Supplies (For Coated or Treated Paper Type Copying Machines) |
| 01545 | Paper, Chemicals, and Supplies (For Diffusion Transfer Type Copying Machines) |
| 01555 | Paper and Supplies (For Dual Spectrum Process Copying Machines) |
| 01570 | Paper, Chemicals, and Supplies (For Thermal Process Copying Machines) |
| 01577 | Recycled Copying and Duplicating Supplies |
| 01900 | AGRICULTURAL CROPS AND GRAINS INCLUDING FRUITS, MELONS, NUTS, AND VEGETABLES |
| 01921 | Berry Crops |
| 01930 | Corn |
| 01932 | Cotton |
