0–9

• 1960 establishments in Oklahoma (11 P)
• 1961 establishments in Oklahoma (11 P)
• 1962 establishments in Oklahoma (1 C, 9 P)
• 1963 establishments in Oklahoma (7 P)
• 1964 establishments in Oklahoma (12 P)
• 1965 establishments in Oklahoma (13 P)
• 1966 establishments in Oklahoma (16 P)
• 1967 establishments in Oklahoma (8 P)
• 1968 establishments in Oklahoma (8 P)
• 1969 establishments in Oklahoma (11 P)