Table:
text: Speedway World Championship Competitions
Speedway World Championship Competitions
Speedway World Championship Competitions
Competing_entities First_held Current_holder Next_ Held_every
Individuals 1931 Chris Holder ( 2012 ) 2013 One year
Individuals 1977 Michael Jespen Jensen ( 2012 ) 2013 One year
National Pairs 1970 Sweden (1993) Defunct One year until 1993
National Teams: 1960 [[|]] ( 2012 ) 2013 One year
National Teams: 2005 [[|]] ( 2012 ) 2013 One year

Question: Can you name me the participating companies that held the first World Speedway Championships competitions smaller than 1970?