Buy or sell energy products on the behalf of residential or commercial customers or utilities. They negotiate and oversee contracts for energy sales.

Plan and sell transportation and accommodations for travel agency customers. They determine destination, modes of transportation, travel dates, costs, and accommodations required. They also describe, plan, and arrange itineraries and sell tour packages. They assist in resolving clients' travel problems.

Buy and sell securities and commodities to transfer debt, capital, or risk. They establish and negotiate unit prices and terms of sale.

Buy and sell securities in investment and trading firms and develop and implement financial plans for individuals, businesses, and organizations.

Sell life, property, casualty, health, automotive, or other types of insurance. They refer clients to independent brokers, work as an independent broker, or be employed by an insurance company.

Receive orders, generally in person, for repairs, rentals, and services. They describe available options, compute costs, and accept payment.

Guard, patrol, or monitor premises to prevent theft, violence, or infractions of rules. They operate x ray and metal detector equipment.

Gather, analyze, compile and report information regarding individuals or organizations to clients, or detect occurrences of unlawful acts or infractions of rules in private establishment.

Patrol assigned area to prevent fish and game law violations. They investigate reports of damage to crops or property by wildlife. They compile biological data.

Gather, analyze, or evaluate information from a variety of sources, such as law enforcement databases, surveillance, intelligence networks or geographic information systems. They use intelligence data to anticipate and prevent organized crime activities, such as terrorism.