Final answer:
Netco, established in 1952, primarily focuses on maritime transportation, reflected in their operation of vessels such as the Vital Spark for cargo and passenger transport in the Pacific Northwest.
Step-by-step explanation:
The primary focus of Netco’s operations is c) Maritime transportation. The New Economy Transport Company (Netco), which was formed in 1952, has a history of carrying cargo and passengers between ports in the Pacific Northwest. Specifically, by 1998, the company's fleet included the Vital Spark, a small dry-cargo vessel, indicating their involvement in shipping goods by sea.
Maritime transportation plays a critical role in globalization and the integration of economic networks, as cargo ships are essential for transporting goods in the global economy. This form of transport is an integral part of the trade and commerce systems, especially in regions aiming for economic growth and international trade enhancement.