Double Diamond Sports
Double Diamond Sports (true name Double Diamond Software, Inc.) was incorporated on May 14, 1993.  It was co-founded by Mark Lesser and Michael Brook. Most of the personnel (with the notable exception of Lesser) went on to Spectacular Games. 
See also Spectacular Games
Research Methods: Actual mentions
- NBA Action '95 Starring David Robinson (US/EU Publisher: Sega)
- Some Programming: FarSight Studios?; Music, Sound Effects: DMP Entertainment?
- NFL '95 (US Publisher: Sega; BR Publisher: Tec Toy)
- Programming: FarSight Studios?; Music, Sound Effects: DMP Entertainment?
- NHL 95 (US/EU Publisher: Sega)