- K 1884 Penarth Brick Works Co Ltd. Stanwell Road, Penarth. H Milward sec & mngr.
- K 1891 Penarth Brick Works Co Ltd. Charles Snell sec; J Smith mngr. Reg Off 26 Stanwell Road, Penarth
- K 1891 Penarth Brick Works Co. Cogan Pill, Penarth. (R Henry Bourne mngr)
- K 1895 Penarth Brick Works Co Ltd. Reg Off: 26 Windsor Road, Penarth. Chas Snell sec; J Smith mngr.
- Lon 1899 Penarth Brick Works Co Ltd.
- K 1906 Penarth Brick Works Co Ltd. Reg Off: 41 Windsor Road, Penarth, and Cogan Pill. (same sec and mngr as 1895)
- K 1914 Penarth Brick Works Co Ltd. Reg Off: 41 Windsor Road, Penarth and Cogan Pill. (Chas Snell sec; Stanley Smith mngr)
- K 1920 Penarth Brick Works Co Ltd. Reg Off: 41 Windsor Road, Penarth and Cogan Pill. (Chas Snell sec; Stanley Smith mngr)
- K 1923 Penarth Brick Works Co (1920) Ltd. Reg Off: Windsor Road, Cogan Pill and Insurance Quay, Cardiff. (K Worwood mngr)
- K 1926 ditto - (I Cardell, mngr)
- Cope 1931/2 Penarth Brick Works Co Ltd. 41 Windsor Road, Penarth.
- ID 52 Penarth Brick Works Co (1920) Ltd. Windsor Road, Penarth.
- WG/85 Brick works and associated quarry served by a narrow gauge tramway. Works, on the east of the ex-LNWR line north of Dunvant station, closed by 1960. Gauge 2ft: 4wPM: L 35154/1950: New to works, sold or scrapped.
- OS 6” 1900 - Penlan Brick Works
- OS 6” 1921 - Penlan Brick Works
- K 1895 Samuel Jones, Dunvant.
- Lon 1899 Jones Samuel, Dunvant (Swansea)
- K 1906 Jones, Samuel & Sons, Dunvant.
- K 1914 Jones Sl & Sons, Dunvant, Swansea.
- K 1920 Jones, Samuel & Sons, Dunvant. TN 17 Killay, TA “Jones, Penlan, Dunvant”
- K 1923 Jones, S & Sons (Dunvant) Ltd, Dunvant.
- K 1926 ditto.
- ID 52 Penlan Brick Works (Dunvant) Ltd. Swansea.
- Site visit 28th February 1991. Site of Penlan b/w, claypit now flooded, remains of many brick buildings evident but unable to distinguish any of them. A tunnel is carved through the rock into an adjoining quarry (presumed).
- Site visit 31st July 2010. Site overgrown no distinguishable remains. Claypits flooded (see above photo) and tunnel now blocked-up to prevent disturbance of resident bat population.
- IAS 40/41 Description of visible remains/letter heading showing works
- Lon 1899 Penwyllt Dinas Silica Brick Co, 4 Bracant Court, Londom EC
- K 1906 Penwyllt Dinas Silica Brick Co Ltd. (Thos Ellis, mngr) Penwyllt, Neath.
- K 1914 ditto
- K 1920 ditto
- K 1923 ditto
- K 1926 ditto
- D&P 240 Kershaw & Pole Ltd; Penwyllt Dinas Silica Brick Co Ltd 1895-1928; Penwyllt Silica Brick Co Ltd 1928-1940; subsidiary of Stephens Silica Brick Co Ltd 1940- ?
- Phil 312 1822, 2nd Feb. Agreement signed by David Morgan and William Weston Young to build Pont Whalby B/W.
- Phil 313 Dinas Firebrick Manufactory . . . Jno Player & Co. 1825; Riddles, Young & Co. 1829; 1842 J M Young and NB Allen take over Pont Whalby works; 1883 Vale of Neath Fire Brick and Cement Co. J W Young, managing director; c.1920 Works closed down.
- S 1880 Young & Shepherd (fire bricks) Glyn Neath.
- K 1891 Vale of Neath Dinas Fire Brick & Cement Co Ltd Jos Weston Young man dir.
- K 1895 ditto
- K 1906 ditto
- K 1920 Vale of Neath Dinas Fire Brick & Cement (Young)
- OS 1880
- K 1884 Lloyd [Jn], Pontyclere (sic), Pontydulais.
- K 1891 Lloyd Bros. Pontyclere (sic), Pontydulais.
- K 1895 ditto
- K 1906 ditto
- Cope 1931/2 Lloyd Bros. Ponyclerc, Ammanford.
- CK
- D&P 35 Pontyclerc Brick Works, Pantyffynon, Ammanford.
- Lon 1899 Porthgain Quarries & Brick Works, 63 New Broad Street, London EC.
- K 1906 Porthgain Quarries Ltd. (Thomas Bowen, mngr)
- IRS 6 250
- Jermy Brick Works shown on map, page 20
- D&P 214 Brick Works mentioned.
- IAS Nº14 Pwll Colliery dates from 1765. Please see full entry.
- K 1906 Jones [David], Pwll, Llanelly.
- K 1914 ditto
- K 1920 ditto
- K 1923 ditto
- K 1926 ditto
- K 1914 Pwll Coal & Brick Co Ltd. (John Roberts, sec) Pwll, Llanelly.
- K 1920 ditto
- K 1923 ditto
- K 1926 ditto
- ID 52 Pwll Coal & Brick Co Ltd.
- CK 134
- D&P 57 Mention of mainline connection. (Sandygate Branch)
- D&P 292 See reference for more details (Pwll Colliery)