| Name | Lobbying Transparency ⬇️ | Lobbying Governance |
|---|---|---|
| Carl Zeiss Meditec AG | D | D |
| CCC SA | D | D |
| Chugai Pharmaceutical Co Ltd | D | D |
| Cintas Corp | D | D |
| Citizens Financial Group Inc | D | D |
| Clean Harbors Inc | D | D |
| Commercial Metals Co | D | D |
| Computershare Ltd | D | D |
| Corteva Inc | D | D |
| Cranswick PLC | D | D |
| Croda International PLC | D | D |
| Cury Construtora e Incorporadora SA | D | D |
| Dabur India Ltd | D | D |
| Daiseki Co Ltd | D | D |
| Derwent London PLC | D | D |
| Dexco SA | D | D |
| Disco Corp | D | D |
| Dr Ing hc F Porsche AG | D | D |
| DSV A/S | D | D |
| Duerr AG | D | D |