Pura Foods Ltd is a manufacturer and supplier of edible oils and fats.

The company now has two sites by the Thames, with manufacturing plant at Purfleet

Purfleet

Purfleet is a place in the Thurrock unitary authority in Essex, England. It is situated south of the A13 road on the River Thames and within the easterly bounds of the M25 motorway but just outside the Greater London boundary. It was within the traditional Church of England parish of West Thurrock...

 and R&D facilities at the former British Oil & Cake Mills (BOCM) in Erith

Erith

Erith is a district of southeast London on the River Thames. Erith's town centre has undergone a series of modernisations since 1961.-Pre-medieval:...

. It is now part of ADM. The plant at Blackwall

Blackwall, London

Blackwall is an area of the East End of London, situated in the London Borough of Tower Hamlets on the north bank of the River Thames.The district around Blackwall Stairs was known as Blackwall by at least the 14th century. This presumably derives from the colour of the river wall, constructed in...

, east London, closed in 2006.

The Blackwall plant was on an isthmus

Isthmus

An isthmus is a narrow strip of land connecting two larger land areas usually with waterforms on either side.Canals are often built through isthmuses where they may be particularly advantageous to create a shortcut for marine transportation...

 site, at Leamouth

Leamouth

Leamouth is the area to the west of the mouth of the River Lea at the River Thames at . The northern part of the area lies within a meander of the Lea; the southern part is bounded in the west by the former East India Docks, on two sides by the Lea and by the River Thames to the south...

, surrounded by a tight loop of Bow Creek

Bow Creek

Bow Creek is a long tidal estuary of the River Lea and is part of the Bow Back Rivers. Below Bow Locks the creek forms the boundary between the London Boroughs of Newham and Tower Hamlets, in east London....

 (the tidal mouth of the River Lea

River Lee (England)

The River Lea in England originates in Marsh Farm , Leagrave, Luton in the Chiltern Hills and flows generally southeast, east, and then south to London where it meets the River Thames , the last section being known as Bow Creek.-Etymology:...

), once occupied by the Thames Plate Glass Works (closed in 1874). It was one of the last surviving industrial plants in this part of London, once an important shipbuilding centre.