Other Electric Power Generation
NAICS Code: 221118
NAICS Code: 221118
Electric Power Transmission, Control, and Distribution
NAICS Code: 22112
NAICS Code: 22112
Electric Bulk Power Transmission and Control
NAICS Code: 221121
NAICS Code: 221121
Electric Power Distribution
NAICS Code: 221122
NAICS Code: 221122
Natural Gas Distribution
NAICS Code: 2212
NAICS Code: 2212
Natural Gas Distribution
NAICS Code: 22121
NAICS Code: 22121
Natural Gas Distribution
NAICS Code: 221210
NAICS Code: 221210
Water, Sewage and Other Systems
NAICS Code: 2213
NAICS Code: 2213
Water Supply and Irrigation Systems
NAICS Code: 22131
NAICS Code: 22131
Water Supply and Irrigation Systems
NAICS Code: 221310
NAICS Code: 221310
Sewage Treatment Facilities
NAICS Code: 22132
NAICS Code: 22132
Sewage Treatment Facilities
NAICS Code: 221320
NAICS Code: 221320
Steam and Air-Conditioning Supply
NAICS Code: 22133
NAICS Code: 22133
Steam and Air-Conditioning Supply
NAICS Code: 221330
NAICS Code: 221330
Construction
NAICS Code: 23
NAICS Code: 23