Cancrom is a producer of solar cells including a 4 inch quasisquare single crystal silicon solar cell with an output power of 1.3 Wp (+-)0.2Wp; and a 4inch round single crystal silicon solar cell with an output power of 1.0 Wp (+-)0.2Wp.  

Plastecs is a producer of single and poly-crystalline solar cells with efficiencies of 12 to 14%.