Coldstore and Lions end the preliminary campaign with three wins in three games to lead Groups B and A respectively.
The teams will face off in the semifinals against Teshie Rangers and Tema Community 4 respectively for the chance to clinch the Tema Basketball League preseason trophy on March 11.
Both teams ensured their respective campaigns ended successfully with Coldstore beating Akatsi Rifles 53-36 while Lions beat Ghana Police 49-34.
2017 Tema League Champions Community 4 clinched its second win of the competition courtesy a 25-22 win over Tema Heat.
Teshie Rangers ensured its run in the first stage ended with a win after beating Tema Community 2 42-37; Rangers had lost twice before clinching the win.
The 2018 Tema League is set to commence in late March and Coldstore or Lions could begin the season a trophy already in the bag.
Lions could win its second preseason title should the side win the tounament; Ashaiman won the Campaign Tournament in December last year.
By Yaw Adjei-Mintah
@YawMintYM on Twitter