Joiners: No Joiners Today. Leavers: Ridgecrest (Formerly Nakama Group) has left AIM. What’s cooking in the IPO kitchen? Carbon Air, a nano-technology company which leverages the adsorption properties of activated carbon and other advanced materials to improve suspension systems, enhance acoustics or reduce noise, to join AIM. The Company's proprietary technology has allowed it to develop a unique portfolio of solutions for a variety of sizeable end markets, including vehicle suspension systems, ....