SIC for "canadian"

Establishments primarily engaged in line-haul railroad passenger and freight operations. …

Establishments primarily engaged in the furnishing of terminal facilities for rail passenger or freight traffic for line-haul service, and in the movement of railroad cars between terminal yards, industrial sidings and other local sites. Terminal companies do not necessarily operate any vehicles themselves, but may operate the stations and terminals. …

Establishments primarily engaged in performing geophysical, geological, and other exploration services for oil and gas on a contract or fee basis. …

Establishments primarily engaged in operating vessels for the transportation of freight on the deep seas between the United States and foreign ports. Establishments operating vessels for the transportation of freight which travel to foreign ports and also to noncontiguous territories are classified in this industry. …

Establishments primarily engaged in operating vessels for the transportation of freight on the deep seas between ports of the United States, the Panama Canal Zone, Puerto Rico, and United States island possessions or protectorates. Also included are operations limited to the coasts of Alaska, Hawaii, or Puerto Rico. Coastwise transportation of freight …

Establishments primarily engaged in the transportation of freight on the Great Lakes and the St. Lawrence Seaway, either between United States ports or between United States and Canadian ports. …