5 BEARS RESEARCH
KENS MODEL ENGINES
REPLICA ENGINES
BAY AREA ENGINE MODELERS
WREN TURBINES
COLES POWER MODELS
JERRY E. HOWELL
MODEL ENGINE BUILDER MAGAZINE
STRICTLY IC MAGAZINE
GLENS MACHINE SHOP
CONLEY PRECISION ENGINES
AJAX CNC SYSTEMS
CENTROID CNC CONTROLS
TRYGGVE'S ENGINES
SHERLINE MINIATURE MACHINE TOOLS
PAUL KNAPP'S MINIATURE ENGINEERING MUSEUM