Corporate and World Headquarters

World Headquarters

Hauppauge NY

Corporate, Manufacturing, Sales, Marketing and Service.

475 Wireless Blvd. Hauppauge, New York 11788


Phone: +1 631-630-3000

Fax: +1 631-435-1620


Spellman's world headquarters is located in a 9,290 m2 (100,000 ft2) building in Hauppauge, New York. Home to the industry's largest dedicated engineering staff, and world-class manufacturing facilities. Spellman has set the standard for excellence in design and manufacturing of high voltage power supplies.

A few Spellman features:

  • ISO 14001-2015 Certification
  • ISO 9001:2015 Certification
  • Detailed Quality System
  • ERP System including shop floor control and bar coding
  • Vertically Integrated Manufacturing
  • Environmental Stress Screening (ESS, Thermal & Vibrational) capabilities used in HALT and HASS
  • Partial Discharge and Environmental Test Capabilities
  • EMC Test Capabilities, CE Self Certification Capabilities
  • UL/ETL/CSA/TUV Safety Agency Approval on selected products
  • Sophisticated encapsulation and oil processing equipment
  • Domestic Sales Satellite offices in: Wisconsin and California