| AA | Financial service provider A manager of money or other assets. |
| AB | Importer A person or group that imports goods or services. |
| AC | Vendor A person or group selling goods or services. |
| AD | Exporter A person or group who sends goods or services to a foreign country. |
| AE | Contractor A person or group acting as a contractor. |
| AG | Agency A party or group that acts as an agent on behalf of another party. |
| BG | Buying group A temporary group of buyers formed for purchasing purposes. |
| BR | Broker A person or group acting as an agent for others, accepting responsibility in return for a fee. |
| CN | Consolidator (master distributor) A person or group acting as a clearing house for goods or services. |
| DE | Dealer A person or group buying directly from a manufacturer for resale. |
| DI | Distributor A person or group acting explicitly as distributor of merchandise or goods. |
| JB | Jobber A person or group buying merchandise to resell it to a retailer. |
| MF | Manufacturer A company that produces goods from raw materials. |
| OE | OEM (Original equipment manufacturer) A manufacturer selling its goods to a company reselling them using own labels. |
| RS | Resale A class of trade where goods and/or services are purchased for resale. |
| RT | Retailer A person selling goods or services in small quantities or by the piece. |
| ST | Stationer The trade has a classification of stationer. |
| WH | Wholesaler A person or group buying goods in large quantities for resale by a retailer. |
| WS | User Identifies the end-user of goods or services. |
| WT | Out patient A patient not under the full time care of a hospital but visits from time to time for treatment. |
| WU | In patient A patient under the full time care of a hospital. |
| WV | Electricity exchange Identifies the exchange where the intermediaries sell and buy electricity. |