The types of businesses that are closed on New Year's Day are corporations, charitable organizations, colleges, banks, law offices and doctor's offices. Typically most restaurant, grocers, drug stores and retail stores are open on January 1st, though many have hours that vary from the usual.
Because New Year's Day is a federal holiday in the United States, it is a well-known fact that many state and federal government-run institutions, such as the post office, schools, public transit that may sometimes run on special holiday schedules, motor vehicle offices and social security departments are shut down for the day. However, some private businesses are also closed as a means to give their employees the day off. Keep in mind that if January 1st falls on a weekend, businesses that would otherwise close on that day may observe the holiday on the following Monday.
Some businesses, such as clubs, restaurants and bars, are only open in the early hours of the day, such as right after midnight, so revelers can continue to celebrate. Many of these nightspots close on New Year's Day to give their employees a rest and time to clean up. However, regular chain restaurants are usually open during the holiday. Privately-owned restaurants are open at their own discretion, so call them before making any plans to make sure they are not closed.