SAPIEN Technologies
SAPIEN Technologies makes Windows administrative tasks simpler. With more than 20 years of experience, best-in-class software applications, authoritative books, supportive communities, and real-world training SAPIEN offers everything you need to learn new technologies, advance your skills in existing technologies, and work more effectively and more efficiently.
Wintellect
Wintellect is a consulting, debugging and training firm dedicated to helping companies build better software, faster. They are Microsoft's largest developer training vendor. Wintellect's offerings include full lifecycle application development, architecture, analysis and design services, UI/UX design, project management, debugging and performance tuning, database design and development, as well as in-depth, multi-day .NET on-site and open enrollment training.