Technical Resources International Corp. 
Miami, Florida.

Carolina High Mast Inc., (www.chmindustries.com)
Iota Engineering LLC, (www.iotaengineering.com)
FC Lighting, (www.fclighting.com)
GE Lighting Systems, (www.gelightingsystems.com)
GE Total Lighting Control, (www.ge.com/tlc)

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(Luminarias y bombillos)

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Valmont Industries Inc., EUA (Postes y estructuras metálicas), 

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Power Engineers

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Lindsey Manufacturing Co. (USA)

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Forjasul Eletrik S.A., Brasil
(Conectores, materiales eléctricos de distribución)