Companies 11 to 20
| Dates | Location | Higher Formation/Remarks |
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| . | 11 Company | . |
| c1940's/50's | Germany: Wrexham Barracks, Mulheim | 2 Inf Div Tpt Column |
| 1958 | Germany: Ubique Barracks, Dortmund | . |
| . | 15 Jul 65: Became 11 Squadron RCT | . |
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| . | 12 Company (MT) | . |
| c1947 | England: | . |
| c1952 - 1958 | England: The Dale, Chester | Western Command |
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| . | 12 Company (Armd Bde Grp?) | . |
| ?? | Germany: Verden | . |
| . | early 1961: Disbanded? | . |
| . | 12 Company | . |
| 1962 | Germany: Pinewood Camp, Leibenau | Formed by renaming 112 Coy: 1 Division Transport Column |
| . | 15 Jul 65: Renamed 12 Squadron RCT | . |
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| . | 13 Company (General Transport) | . |
| c1946 | Egypt: | . |
| c1948 | Palestine | . |
| c1940's/50's | Libya: Cyrenaica | . |
| Â | 13 Company | . |
| c1963 - 1964 | Germany: Wrexham Barracks, Mulheim | . |
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| . | 14 Company | . |
| 1945 - 1954?? | Austria | . |
| ?? | Egypt: | 3 Division Column |
| late 1954 | England: Hargrave Park, Stanstead | 3 Division Column |
| . | 3 Aug 56: Ordered to mobilise for Suez | 3 Division Column |
| . | Oct 56: Column embarked for Suez | 3 Division Column |
| . | Nov 56: Arrived off Suez but did not land | 3 Division Column |
| Jun 58 | Cyprus: | Sp for 1 Gds Bde |
| Dec 58- | England: Winterbourne Gunner | . |
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| . | 15 Company (Tank Transporter) | . |
| ?? | Germany: | . |
| . | 1948: Disbanded: Handed over Diamond T tank transporters to 317 Tank Transported Unit MSO | . |
| . | 15 Company (GT) | . |
| 1951 | England: York | Formed: Northern Command |
| . | 1961: Disbanded | . |
| . | 15 Company (Tipper) | . |
| 1961?- | Germany: Scarborough Bks, Osnabruck | From 122 (Tipper) Coy |
| . | Jan 65: Renamed 15 Company (GT) | . |
| . | 15 Jul 65: Renamed 15 Squadron RCT | . |
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| . | 16 Company (AA) | . |
| c1953 | Scotland: | . |
| . | 16 Company (Air Despatch) | . |
| c1961 | Kenya: Eastleigh RAF Station | Formed |
| 1964.12 | Aden: Khormaksar | . |
| . | 15 Jul 65: Renamed 16 (Air Despatch) Squadron | . |
| . | 16 Tank Transport Company | . |
| 1952- | Germany: St Barbara Bks, Fallingbostel | . |
| . | 15 Jul 65: Renamed 16 Tank Transporter Squadron RCT | . |
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| . | 17 Company | . |
| 1945 | Berlin | . |
| c1947-1948 | Germany: Wandsbek, Hamburg | . |
| 1949 | Cyprus: Waynes Keep, near Nicosia | . |
| . | 17 Company (MT) | . |
| c1954 | Cyprus: Famacusta | . |
| . | May 60: Disbanded | . |
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| . | 17 Company | . |
| 1963 | Formed at Wrexham Barracks, Mulheim, Germany, personnel from 5 & 13 Companys | . |
| . | 15 Jul 65: ?? | . |
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| . | 18 Company (Divisional Transport) | . |
| 1947 | Reformed in Germany as a Divisional Transport Company | . |
| . | Jun 48: Suspended animation | . |
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| . | 18 Company (Water Transport) | . |
| 1950 | Reformed at Sheerness, England | . |
| . | Sep 57: Disbanded | . |
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| . | 18 Company (Amphibious General Transport) | . |
| 1958.06.01 | Reformed Fremington Camp, North Devon, England as an amphibious transport company | Equipped with DUKW's |
| . | Feb 1958 to Mar 1960: A detachment was sent to Christmas Island for Operation Grapple, the testing of the British nuclear bombs. | . |
| . | Winter of 1960/61: Carried out flood relief duties in UK and accounted for journeys totalling over 5,000 miles by the units DUKWs. | . |
| . | A detachment also operated at RHU in support of the Hebrides Guided Weapon Range . | . |
| . | 1964: Detachment sent to Singapore | . |
| . | 15 Jul 65: Renamed 18 Amphibious Squadron RCT | . |
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| . | 19 Company | . |
| ?? | BAOR | . |
| . | 1946: Disbanded | . |
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| . | 19 Company (Tank Transporter) | . |
| 1950.09.01 | England: Ranby Camp, Retford | Reformed by renumbering 336 Coy |
| . | 15 Jul 65: Renamed 19 Tank Transporter Squadron RCT | . |
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| . | 20 Company (WO [Car]) | . |
| 1946 | England: Regent's Park, London | . |
| . | 15 Jul 65: Renamed 20 Squadron RCT | . |
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