R H & W King
Main Road, Lacey Green, Princes Risborough, Buckinghamshire, HP27 0RB
K W Slade
Miswell Farm, Miswell, Tring, Hertfordshire, HP23 4JT
Westrope Bros
Grove Farm, Bulbourne Road, Tring, Hertfordshire, HP23 5HF
R J Pritchard
Tuffs Farm, Tower Hill, Chipperfield, Kings Langley, Hertfordshire, WD4 9LW
Pennoak Farm
Hammersley Lane, Penn, High Wycombe, Buckinghamshire, HP10 8HG
Brown Bros
Hunts Green Farm, Hunts Green, The Lee, Great Missenden, Buckinghamshire, HP16 9LX
Felden Park Farms Ltd
Tower Farm, Featherbed Lane, Felden, Hemel Hempstead, Hertfordshire, HP3 0BT
D J Hunter
Haresfoot Farm, Berkhamsted, Hertfordshire, HP4 2SU
R A & S Arnott & Son
Middle Farm, Langley Lodge Lane, Kings Langley, Hertfordshire, WD4 8QW
C W D Wray
Wayside Farm, Watford Road, Kings Langley, Hertfordshire, WD4 8EA
Kiln Farm Partnership
Kiln Farm, Kiln Road, Hastoe, Tring, Hertfordshire, HP23 6PE
M N Rayner
Castlemans Farm, Wooburn Common, Wooburn Green, High Wycombe, Buckinghamshire, HP10 0LH
R W Wiles
Bourne Farm, Breakspear Road North, Harefield, Uxbridge, Middlesex, UB9 6NA
B & J Hilsdon
Rumblers Farm, Potten End Hill, Water End, Hemel Hempstead, Hertfordshire, HP1 3BN
H J Mash
Pump Farm, Marlow, Buckinghamshire, SL7 3RB
Nicholls Farms
Upper Farm, Drayton Beauchamp, Aylesbury, Buckinghamshire, HP22 5LT
Nicholls Farms
Church Lane, Aston Clinton, Aylesbury, Buckinghamshire, HP22 5HJ
G J White & Sons
Widmere Farm, Widmere Lane, Marlow, Buckinghamshire, SL7 3DF
Southend Farm
Punch Bowl Lane, St Albans, Hertfordshire, AL3 6RH
Stoke Farm Ltd
Moat Farm, Marsh Lane, Stoke Mandeville, Aylesbury, Buckinghamshire, HP22 5UZ