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

E - Manufacturing Industries

35 - Non-Metallic Mineral Products Industries

355 - Ready-Mix Concrete Industry

3551 - Ready-Mix Concrete Industry

Establishments primarily engaged in manufacturing and delivering mixed concrete. Establishments primarily engaged in concrete work on the site of construction are classified in 4224 - Concrete Pouring and Finishing, construction.