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Now in its 72nd year, the Cessna Aircraft Company has delivered over 180,000 aircraft, including 24,000 twin-engine airplanes, 2,000 military jets and over 2,900 Citations -- the largest fleet of business jet aircraft in the world. More than half the aircraft flying today are Cessnas. Worldwide, Cessna employs nearly 11,000 people in the design, manufacturing, sales, and service of general aviation aircraft and is registered as an ISO-9001 company in recognition of its quality systems and processes.


Microkinetics manufactures tools for CNC Machining and Motion Control Systems. Products Offered: Stepper motor controllers ˇ PC motion control software ˇStepper motor drivers ˇ Quadrature encoder interfaces ˇ CNC retrofits ˇ Stepper motors ˇ CNC benchtop milling machines ˇ CNC benchtop lathes ˇ Printed circuit board prototyping machines ˇ CNC wood routers


Priio (formerly Progressive Resources LLC) was established in 1995 and specializes in innovative commercial, industrial and consumer product development. Our areas of expertise include:

  • Embedded system design
  • Real-time software development
  • Closed-loop control systems
  • PC applications
  • Industrial control and monitoring systems
  • Automated test systems
  • Medical instrumentation
  • Data acquisition and analysis
  • ASIC design

Customer success is our main objective. We provide expedient, economical, quality solutions. We enable our customers to maximize their internal resources. We offer our services at progressive levels of involvement, dependent upon our customers' needs.


T-Tech manufactures The Quick Circuit System for producing accurate, economical, and quick circuit board prototypes directly from your current CAD package's data. The Quick Circuit accepts Gerber, DXF, HPGL & Excellon files. Quick Circuit enables you to do your own prototyping so projects are completed on schedule, within budget and designs are protected since they never leave your lab.


VANDENTECH Engineering offers a wide range of Custom Design and Engineering Services in the Electrical Power and Power Electronics Industry. Services include:

  • PLC programming
  • Research and Development
  • System Integration and Automation
  • SCR control packages
  • Custom Test Floor Design
  • Drive Systems and Motor Control
  • Printed Circuit Boards
  • Micro Controllers and more...

StarFred.com is the personal astronomy web site of CIRCAD's Founder and Chief Programmer, Fred Lehman. The web site contains no science but instead presents the many hundreds of astronomical photos taken by the author over the past several years.