Who were the Scottish agricultural implement and machine makers in 1969?

In recent weeks we have posted the details of the key Scottish agricultural implement and machine makers in 1949 and 1964. Today, we post a list of the key makers from 1970. A number of the key names are missing, but a number still remain.

The remaining makers include:

Adams Trailers Ltd, Challenger Trailer Works, Mintlaw Station, Aberdeenshire
Adrolic Engineering, Clober Works, Clober Road, Milngavie
Ayrshire Elevator Co. Ltd, Knockentibber, Kilmarnock
Barclay, Ross & Hutchison Ltd, 67 Green, Aberdeen
W. Begg & Sons, Implement Works, Tarbolton, Mauchline
J. Bisset & Sons Ltd, Blairgowrie, Perthshire
Lennox M. Blyth, Cintra Engineering Works, Chirnside, Berwickshire
Boswells of Blairgowrie td, Rattray Engineering Works, Rattray, Perthshire
Cruickshank & Co. Ltd, Agricultural Dept PO Box 19, Denny Iron Works, Denny
James A. Cuthbertson Ltd, Station Road, Biggar, Lanarkshire
Dairy Supply Co. Ltd, London, Edinburgh, and Belfast
W. Dickie & Sons Ltd, Victoria Works, East Kilbride
farm Mechanisation Co. Ltd, South Road, Cupar, Fife
John Fleming & Son, West Linton, Peebleshire
R. G. Garvie & Sons, 2 Canal Road, Aberdeen
Grays of Fetterangus Ltd, fairbanks Works, Fetterangus, Aberdeenshire
Geo Henderson Ltd, Kelso
Innes, Walker (Engineering) Ltd, Clyde Works, Brown Street, Paisley
Alex Jack & Sons Ltd, Maybole, Ayrshire
A. Laurie & Sons (Trailers) Ltd, Falkirk
Macdonald Bros, Roseacre Street, Portsoy, Banffshire
James McGowan, Dechmont Welding & Engineering Co., Dalton, Cambuslang
Charles J. Marshall & Co., Chapel Works, Bucksburn, Aberdeen
J. S. Millar & Sons, Annan, Dumfriesshire
A. Milne & Sons (Millwrights) Ltd, 50 Jopp’s Lane, Aberdeen
A. Newlands & Sons Ltd, St Magdalene Engineering Works, Linlithgow
John Oswald & Son, Brechin, Angus
A. & W. Pollock Ltd, Implement Works, Mauchline, Ayrshire
Reekie Engineering Ltd, Arbroath
W. Reid (Forres) Ltd, Forres
David Ritchie (Implements) Ltd, Whitehills, Forfar
A. M. russell Ltd, Sinton Works, Gorgie Road, Edinburgh
John Rutherford & Sons Ltd, Home Place, Coldstream, Berwickshire
Ryeside Agricultural & Engineering Works, Dalry, Ayrshire
Scottish Mechanical Light Industries Ltd, Scotsmen Works, Wagon Road, Ayr
George Sellar & Son Ltd, Kelliebank Works, Alloa
Alexander Shanks & Son Ltd, Dens iron Works, Arbroath, Angus
Shearer Bros. Ltd, Maybank Works, Turriff
Thomas Sherriff & Co. Ltd, West Barns, Dunbar, East Lothian
D. M. Wallace & Sons Ltd, Kelso

What key makers are no longer included in the list of Scottish implement and machine makers?