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| Tartan Name | CI | | | | Category | Corporate
| | | | Designer | Not Specified | STA Ref | 7862 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Cian of Ely | | | | Category | Name
| | | | Designer | Saunders, R & P | STA Ref | 43 | | Date Recorded | Not Specified | STWR Ref | 43 |
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| Tartan Name | Cicerone Ensemble | | | | Category | Corporate
| Reference | 12110 | | Designer | Halley, Brian, Slanj Kilts | | | | Date Recorded | 11/04/2018 | | |
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| Tartan Name | Circle of Excellence | | | | Category | Corporate
| Reference | 14797 | | Designer | Gordon Nicolson Kiltmakers | | | | Date Recorded | 29/04/2025 | | |
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| Tartan Name | Cirrus Logic | | | | Category | Corporate
| Reference | 11798 | | Designer | Geoffrey (Tailor) Highland Crafts | | | | Date Recorded | 22/05/2017 | | |
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| Tartan Name | Citadel Military Academy | | | | Category | Military
| | | | Designer | Grant-Alexander, Ludovic | STA Ref | 1572 | | Date Recorded | Not Specified | STWR Ref | 1572 |
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| Tartan Name | City of Armadale | | | | Category | District
| | | | Designer | House of Edgar - Macnaughton Holdings Ltd. | STA Ref | 5868 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | City of Barrie | | | | Category | District
| | | | Designer | Not Specified | STA Ref | 5809 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | City of Brechin | | | | Category | District
| Reference | 12377 | | Designer | City of Brechin Pipe Band | | | | Date Recorded | 22/01/2019 | | |
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| Tartan Name | City of Chicago Pipe Band | | | | Category | Corporate
| Reference | 14459 | | Designer | City of Chicago Pipe Band | | | | Date Recorded | 03/09/2024 | | |
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| Tartan Name | City Of Dorval | | | | Category | District
| Reference | 10090 | | Designer | Dorval Weavers Guild | | | | Date Recorded | 29/10/2009 | | |
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| Tartan Name | City of Dunfermline | | | | Category | District
| Reference | 14059 | | Designer | Mortimer, Savannah | | | | Date Recorded | 03/10/2023 | | |
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| Tartan Name | City of Edinburgh (2001) | | | | Category | District
| | | | Designer | Lochcarron of scotland | STA Ref | 6396 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | City of Geneva (Ohio) | | | | Category | District
| Reference | 12508 | | Designer | Jewell, Bradley R | | | | Date Recorded | 28/05/2019 | | |
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| Tartan Name | City of Kincardine | | | | Category | District
| | | | Designer | Strathmore Woollen Company Ltd | STA Ref | 2590 | | Date Recorded | Not Specified | STWR Ref | 2590 |
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| Tartan Name | City of London | | | | Category | Corporate
| Reference | 10734 | | Designer | Lochcarron of Scotland | | | | Date Recorded | 12/11/2012 | | |
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| Tartan Name | City of Long Beach | | | | Category | District
| Reference | 11728 | | Designer | Ansite, James | | | | Date Recorded | 24/02/2017 | | |
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