1.   The two companies had colluded to fix prices.

2.   It is suspected that the two houses colluded to fix commissions, leaving all but a select few buyers and sellers with no room to negotiate rates.

3.   Shimizu Corp. spokesman Tasuya Uchida said Friday the commission had summoned Shimizu officials on suspicion they colluded to fix contract prices.

4.   Shimizu spokesman Tasuya Uchida confirmed Friday the commission had summoned Shimizu officials on suspicion they colluded to fix contract prices.

5.   Shimizu spokesman Tasuya Uchida said Friday the commission has summoned Shimizu officials on suspicion they colluded to fix contract prices.

6.   In a related ruling, the FIA cleared the Williams and McLaren teams of colluding to fix the European Grand Prix.

7.   Two leading British-based teams colluded to fix the result of the final Formula One grand prix in Spain, The Times reported Saturday.

8.   Two leading teams colluded to fix the result of the final Formula One grand prix in Spain, The Times reported Saturday.