PID controller design and tuning on Internet
PID controller laboratory providing free interactive applets for robust PID tuning, design and loop simulation based on known or unknown process model
http://www.pidlab.com

HARDI sprayer Controller and monitor
HARDI products include field sprayers, liftmounted sprayers, self propelled, orchard and wine sprayers, handheld
http://www.hardi-international.com/Product_and_Solutions/Monitors_and_Controllers/default.htm

ControlSim - Spreadsheet based simulation of PID controller and process
ControlSim is a simulation of a PID controller and a simple process model used for training and practice in controller tuning, for purchase and download from site.
http://www.jashaw.com/ebooks/simorder.html

FoamLinx
Hot wire foam cutting cnc machines for EPS EPP XPS polystyrene and polyurethane rigid and soft foam, make crown molding logos and letters
http://www.foamlinx.com

LCM Systems Ltd
Load cells - LCM Systems are designers and manufacturers of high quality load cells, load pins and load monitoring instrumentation systems.
http://www.lcmsystems.com/

Eurotherm Manuals
Eurotherm Inc. prides itself on being an agile, world-class, organization. We use our unmatched applications expertise to provide our customers exactly what they need.
http://www.eurotherm.com/

Transducer Techniques
Transducer Techniques offers a complete array of force and load measurement solutions including load cells, beam load cells, force sensors, torque sensors, signal conditioning, load cell displays, and data acquisition systems.
http://www.transducertechniques.com

Orion
Orion Packaging provides automatic and semi-automatic stretch wrap pallet packaging solutions. Shrink wrap machines provide cost efficiency and effectiveness to your company's product., Orion
http://www.orionpackaging.com/

Tuning a PID Controller
Describes the different types of controller. Addresses efficiency and stability aspects.
http://www.newportus.com/Products/Techncal/techncal.htm

Nay-seven
Vst MIDI controller for the Korg ES-1. Offers a tuner for each pad, channel change, and editable labels for each controller.
http://nay-seven.com/Kergos-util_en.htm