MarTek, Inc. is the largest provider of Electroglas Wafer Prober products. This includes the models, 4090u+, 4090u, EG 6000, and 2001X. MarTek was founded in 1995 to offer service and refurbished Electroglas systems. They now offer systems sales and upgrades. Spares for all systems are also available. Prober upgrades, i.e. AVS vision upgrade, ESI Laser upgrades and EG Commander with Windows are popular with our customers. Hot and Cold Chucks, and Probe Tip Scrub and Cleaners are also available. For all your Board repair, Power Supplies, call +1 (408) 947-5757 or contact our Sales VP - John Luis at john@martekprober.com. For service related calls, i.e. contact our Operations VP - Ron Flanigan at ron@martekprober.com.