Last year's exhibitors included:

SPIE- Society of Photo-Optical Instrumentation Engineers
Science Education Center of California
Aerospace Corporation
Society of Automotive Engineers
Boeing
LA Bureau of Sanitation
NEED- Renewable Energy
Charles Drew University
Walt Disney Company
LA County Public Works
AIAA
Northrop Grumman Aerospace
ASCE- American Society of Civil Engineers (Los Angeles Branch)
City of Los Angeles
Bureau of Engineering
Los Angeles Council of Black Professional Engineers
USC Dept. of Earth Sciences
Southern California Earthquake Center
EERI- Earthquake Engineering Research Institute
ImageCat
El Camino College

Exhibit titles ranged from:

Building of Telescopes
Fossil and Density Experiments
Pop-Up Rockets
Skinner Challenge
Super Conductivity
Sewer Science
Solar Experiment
X-ray Medical Tech
Storm water runoff model
Crazy Pendulums
Ducted fan UFO rotorcraft interactive display
"Touchdown" activity- build a small structure to protect astronauts landing on the moon
Bridge Building
Solid as a Rock?
Rheology Experiment
Troubled Waters
Show Me The Snails
Using computers in Earth Sciences
Reconstructing Past Climate
Seismic Waves with Slinkies
Different Types of Faults
Plate Tectonics Interactive Map