That Toronto-based Rogers won the Apple contract only makes sense as it is Canada's primary carrier.

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He wants Norfolk Southern to be the primary rail carrier for imported goods from East Coast ports.

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Verizon announces that it becomes a primary, but not exclusive, carrier to get the LTE capable iPhone 5 when it is released this summer.

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The Federal Motor Carrier Safety Administration shut down three primary companies -- Apex Bus Inc.

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The carrier, of course, faces competitors for international travel, including UAL's embattled primary business United Airlines and Lufthansa.

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