| Name | Lobbying Transparency ⬇️ | Lobbying Governance |
|---|---|---|
| CI Takiron Corp | E | D |
| CKD Corp | E | D |
| Cloetta AB | E | D |
| Coca-Cola Bottlers Japan Holdings Inc | E | D |
| Cofinimmo SA | E | D |
| Cogna Educacao SA | E | D |
| Coloplast A/S | E | D |
| Comcast Corp | E | D |
| Comfort Systems USA Inc | E | D |
| Compass Group PLC | E | D |
| Concentradora Fibra Danhos SA de CV | E | D |
| ConvaTec Group PLC | E | D |
| Copa Holdings SA | E | D |
| Corp Financiera Colombiana SA | E | D |
| COSCO SHIPPING Holdings Co Ltd | E | D |
| CoStar Group Inc | E | D |
| Costco Wholesale Corp | E | D |
| Coty Inc | E | D |
| Coway Co Ltd | E | D |
| CP Axtra PCL | E | D |