Before it was bought by Oracle, Sun was a major computer manufacturer. Its logo is a perfect ambigram; it can be read from any direction. (Note also that the graphic doesn't actually include any s's, merely artfully arranged u's and n's.)
This market data research company incorporated the binary code spelling of their name. Using blue squares as ones and grey squares as zeros, 1010000 (80) is the top line, while 0010100 (20) is the bottom.