File picture:

Johannesburg - A probe showed top construction companies fixed state and other contracts worth billions of rands, City Press reported yesterday.

Affidavits detail a decades-long, formal kickback and price-fixing racket that allegedly involved prominent names in the industry.

At least 11 affidavits were made by executives from Stefanutti Stocks - one of the country's biggest construction firms - to the Hawks serious economic offences investigator and the National Prosecuting Authority, the paper said. - Sapa