Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

412 - Highway and Heavy Construction

Establishments primarily engaged in constructing highways, streets and bridges, waterworks and sewage systems and other heavy construction projects.

Archived - Standard Industrial Classification - Establishments (SIC-E) 1980 - Classification structure
Code	Class
4121Highways, Streets and Bridges	Highways, Streets and Bridges
4122Waterworks and Sewage Systems	Waterworks and Sewage Systems
4123Hydroelectric Power Plants and Related Structures(Except Transmission Lines)	Hydroelectric Power Plants and Related Structures(Except Transmission Lines)
4124Power and Telecommunication Transmission Lines	Power and Telecommunication Transmission Lines
4129Other Heavy Construction	Other Heavy Construction