Maps and GPS directions to Shell Milford/NEW HAMPSHIRE and other Shell Gas Stations in the United States. Shell gas stations GPS locator. Shell is a major energy organization in the USA.Royal Dutch Shell is an Anglo-Dutch multinational oil and gas company. Shell is the second largest company in the world. Shell is active in every area of the oil and gas industry, including exploration and production, refining, distribution and marketing, petrochemicals, power generation and trading. It has minor renewable energy activities. It has operations in over 90 countries with 44,000 service stations worldwide.