London & Southampton Railway 1834-1839

North Devon Railway & Dock Co 1851-1865
(from the Taw Vale Railway & Dock Co 1838-1851)

Guildford Junction Railway 1844-1845

Richmond Railway 1845-1847

Southampton & Dorchester Railway 1845-1848

Exeter & Crediton Railway 1845-1879

Basingstoke & Salisbury Railway 1846-1849

Windsor, Staines & South Western Railway 1847-1848

London Necropolis Railway 1852

Portsmouth Railway 1853-1861

Bideford Extension Railway 1853-1865

Staines, Wokingham & Woking Railway 1854-1878

Salisbury & Yeovil Railway 1854-1878

Stokes Bay Railway 1855-1875

Exeter & Exmouth Railway 1855-1866

Lymington Railway 1856-1879

Wimbledon & Dorking Railway 1857-1862

Epsom & Leatherhead Railway 1856-1864
(joint with LBSCR from 1864)

Andover & Redbridge Railway 1858-1864

Ringwood, Christchurch & Bournemouth Railway 1859-1874

Chard Railway 1860-1863

Petersfield Railway 1860-1863

Mid Hants (Alton Lines) Railway 1865-1884
(from the Alton, Alresford & Winchester Railway 1861-1865)

Salisbury & Dorset Junction Railway 1861-1883

Southampton & Netley Railway 1861-1864

Bishop's Waltham Railway 1862-1863

Thames Valley Railway 1862-1865

Devon & Cornwall Railway 1870-1872
(from the Okehampton Railway 1862-1870)

Plymouth, Devonport & SW Junction Railway 1883-1922
(amalgamated with the East Cornwall Mineral Railway 1871-1891)

Tamar, Kit Hill & Callington Railway 1862-1869

Callington & Calstock Railway 1869-1871,
(amalgamated with the Devon & Cornwall Central Railway 1882-1884
and the Bere Alston & Calstock Railway 1900)

Seaton & Beer Railway 1863-1888

Poole & Bournemouth Railway 1865-1882

Barnstaple & Ilfracombe Railway 1870-1874

Southsea Railway 1880-1883
(joint with LBSCR from 1883)

Waterloo & City Railway 1893-1907

Budleigh Salterton Railway 1894-1911

Basingstoke & Alton Light Railway 1897

Axminster & Lyme Regis Light Railway 1899-1907