High Technology Corporation (HTC) is a small business (8A) dedicated to providing innovative solutions to technically challenging problems. HTC has had an impressive record of achievements in the areas of innovative computational methods for boundary-layer transition research, design of laminar flow configurations, turbulence control and drag reduction, vortex stability and breakdown, unique supersonic wind tunnel experiments, computational fluid dynamics and grid generation, quiet nozzle design, data acquisition, and software development. The boundary-layer stability and transition prediction computer codes developed by HTC are routinely used by aerospace industry. HTC has also been involved in high performance computing. Work includes parallel algorithm development, message passing library design, and distributed computing research. HTC did the primary design and development of the FIDO project for NASA Langley Research Center. The FIDO (Framework for Interdisciplinary Design Optimization) system is a multi-disciplinary design optimization system. Ongoing research and other recent projects include: Control of cavity acoustics and trailing-line vortices; Linear and nonlinear parabolized stability equations for two-dimensional and swept-wing flows; High-performance and distributed computing; Multi-disciplinary design optimization; Neural network based flow control techniques; Stability and control of trailing-line vortices; Conceptual and program support for Supersonic LFC for F16-XL experiment and High Speed Civil Transport; High Performance Computing and Communications (HPCC) Program; Hybrid laminar flow control experiment PEGASUS hypersonic flight experiment; National Aerospace Plane (NASP)