The investigation initiated as a result of the preliminary inquiry conducted in response to the complaint that undertakings operating in the ready-mixed concrete sector in the Sakarya province violated the Act no 4054  by entering into agreements was concluded.  

As a result of the investigation, which concerned the undertakings titled
- Arıdil Konut ve Otomotiv Pazarlama San. ve Tic. A.Ş.,
- Belpaş Sakarya Büyükşehir Belediyesi İhtiyaç Maddeleri Paz. Tic. ve San. A.Ş.,
- Çimsa Çimento Sanayi ve Tic. A.Ş.,
- İnciler İnşaat Kum Ocağı İşletmeciliği Tic. ve San. A.Ş.,
- Nuh Beton A.Ş.,
- Oyak Beton San. ve Tic. A.Ş.,
it was decided that, in accordance with article 16 of the Act no 4054,  administrative fines should be imposed on the undertakings titled
- İnciler İnşaat Kum Ocağı İşletmeciliği Tic. ve San. A.Ş.
- Oyak Beton San. ve Tic. A.Ş. 
for violating article 4 of the Act no 4054 by fixing ready-mix concrete sales prices.

On the other hand, it was decided that administrative fines could not be imposed on the undertakings titled
- Akyazı Hazır Beton Nalburiye İnş. Nakliye Petrol Ürünleri San. ve Tic. Ltd. Şti.,
- Arıdil Konut ve Otomotiv Pazarlama San. ve Tic. A.Ş.,
- Belpaş Sakarya Büyükşehir Belediyesi İhtiyaç Maddeleri Paz. Tic. ve San. A.Ş.,
- Çimsa Çimento Sanayi ve Tic. A.Ş.,
- Nuh Beton A.Ş.,
since there were not sufficient evidence to prove that they participated in the relevant tenders. 

Click here for the text of the pronouncement (in Turkish) dated 28.08.2012 and numbered 12-42/1321-434, the reasoned decision for which will be notified later and which can be appealed before Ankara Administrative Courts.