Firms paid to represent clients' interests to legislators and officials, run issue campaigns, or advise candidates and parties.
| Name | Standard and code | Organizations |
|---|---|---|
| Contract lobbying firms | Segment · within 541820 | 0 |
| Public affairs and issue campaign consultancies | Segment · within 541820 | 0 |
| Political consultancies and campaign services | Segment · within 541820 | 0 |