Bishop-Wisecarver Corp. - Pittsburg, CA
Manufacturer, Custom Manufacturer
Custom manufacturer of linear motion wheel guides for light to heavy duty transport applications. Linear motion wheel guides are available in 1 in., 2 in. & 3 in. sizes with 311 N, 5,739 N & 14,040 N load capacity, 5.5 m/second & 1.5 m/second speed, three, four or five wheel carriage assemblies & bridge connections.
Brand Names: Bishop-Wisecarver, Utilitrak
www.bwc.com?WT.mc_id=ThomasNet

Modern Linear, Inc. - Corte Madera, CA
Manufacturer, Custom Manufacturer
Manufacturer of linear guides. Other products include linear tracks, rails & slides; all of which include single & double edge options, drilled or undrilled options, & optional butt-jointed tracks for long length applications. Specifications include cut to length tolerances of +/- .063 in. & hole spacing & size tolerances of +/- .005 in. Materials include stainless or carbon steel, black oxide finishes, & thin dense chrome finishes. Serves medical, electronic, packaging, construction, & commercial markets.
www.modernlinear.com/components.html

Del-Tron Precision, Inc. - San Rafael, CA
Manufacturer
Manufacturer of linear bearings including ball slides, crossed roller slides, 1, 2, or 3 axis micrometer-driven positioning stages, motor-ready lead screw driven stages, friction-free air actuators, recirculating slide guides, crossed roller rail sets. Products range from subminiature slides to heavy duty positioning tables. Both straight line design & recirculating type. Modified slides can be incorporated into customer design. 2D & 3D CAD drawings, life/load calculators available.