Mobile Stages
Light weight aluminum stages can be pulled behind a medium duty pickup truck and set up virtually anywhere. Smooth floors and load-bearing roofs. Available for sale or rent.
http://mobilestages.com/

Deben UK
Deben provide many accessories to upgrade your SEM including Stage automation, Tensile stages, Beam Blanking and Digital Imaging
http://www.deben.co.uk/

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/

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

CIE-Tech, Inc.
Load Xpert is a family of trucking software for axle load calculation, load planning and weight distribution of straight trucks, truck trailers, tractor semitrailers, B-trains, flatbed, lowbed, drop deck with jeep dollies and boosters, tank trucks and tanker trailers.
http://www.loadxpert.com

load balancer detector
Halberd discovers HTTP load balancers. May be useful for testing load balancer configurations and for web application auditing purposes.
http://halberd.superadditive.com

Mobile Grandstands and Stages Inc.
Stage Rentals Dallas, Mobile Grandstands and Stages rents mobile stages, stage, staging, rooftops for outdoor festivals, fashion events, awards events, runways, concerts, family events, sporting events, special events, and corporate events.
http://www.texasstages.com/

Web Application Load and Stress Testing
WAPT is a load and stress testing tool for web sites and intranet applications with web interface. Accurate load simulation, run-time test data generation, recording and play back of secure HTTPS requests, clear graphs and reports. [Commercial, trial version]
http://www.loadtestingtool.com/

QConBridge
A live load analysis program for continuous bridge frames. Performs live load analysis for the AASHTO LRFD Bridge Design Specification HL93 live load model.
http://www.wsdot.wa.gov/eesc/bridge/software/index.cfm?fuseaction=software_detail&software_id=48

Smartstage Corporation
portable staging risers and platforms, trussing, revolving stages with variable height for use in theater, theatre, university, college, concert halls, trade shows, exhibits and special events, Revolving Stages, Concert Stage Equipment, Outdoor Stage Ramps
http://www.smartstage.com