architecture - engineering - construction
Electrical Utilities (33 70 00)
Other Companies for Electrical Utilities
For other relevant searches, you might want to try: substations, transformers, switchgear, circuit protection devices, utility structures, and wiring to distribute high- and mediumvoltage electrical.
(33 09 70) Instrumentation and Control for Electrical Utilities
(33 80 00) Communications Utilities
(48 10 00) Electrical Power Generation Equipment