Pilkington Farms
Offley Hoo, Hoo Lane, Offley, Hitchin, Hertfordshire, SG5 3ED
D J Whiteley
Northley Farm, Handscombe End Road, Shillington, Hitchin, Hertfordshire, SG5 3HH
F M French
Little Offley Farm Great Offley, Offley, Hitchin, Hertfordshire, SG5 3BU
The Bowes Lyon Estate
1 East Hall Cottages, St Pauls Walden, Hitchin, Hertfordshire, SG4 8DJ
A Franklin
Pegsdon Common Farm, Pegsdon, Hitchin, Hertfordshire, SG5 3JU
Whitbread Farms
Estate Office, Southill Park, Southill, Biggleswade, Bedfordshire, SG18 9LJ
F B Parrish & Son
Lodge Farm, Chicksands, Shefford, Bedfordshire, SG17 5QB
J P Dodds
Hillside Poultry Farm, Newmarket Road, Royston, Hertfordshire, SG8 7LZ
A E & H G Williams & Son
Green End Farm, Green End, Dane End, Ware, Hertfordshire, SG12 0NX
R & E M Andrews
Lilley Bottom Farm, Lilley, Luton, Bedfordshire, LU2 8NH
N F & B S Pearman
Bury Farm, 2 Hollybush Lane, Datchworth, Knebworth, Hertfordshire, SG3 6RE
W J Spicer & Sons
Burleigh Farmhouse, Hitchin Road, Codicote, Hitchin, Hertfordshire, SG4 8TG
F W Garner & Son
Hill Farm, Northwood End Road, Haynes, Bedford, Bedfordshire, MK45 3QB
E W Pepper Ltd
Orchard House, Bury Lane Farm A10 Melbourn, Melbourn, Royston, Hertfordshire, SG8 6DF
C H Shaw & Son Ltd
Manor Farm, Luton, Bedfordshire, LU2 8DE
Ramridge Farm
Luton Road, Kimpton, Hitchin, Hertfordshire, SG4 8HB
George Russell
Middle Farm, Northill Road, Cople, Bedford, Bedfordshire, MK44 3UA
J & R Wallace
Bury Farm, Wallington, Baldock, Hertfordshire, SG7 6SJ
Wallace Farms Ltd
Cadwell Farm, Arlesey Road, Ickleford, Hitchin, Hertfordshire, SG5 3UA
A R Carlisle & Sons Ltd
Oldfield Farm, Henlow, Bedfordshire, SG16 6EJ