For 30 years, Unit has been providing U.S, Customs clearance and freight forwarding services throughout the world. With multiple U.S. Customs Brokers on staff, we pride ourselves on our personal service, knowledge of the industry and individual import/export solutions. Read more about the services we offer. Employment Opportunties. Want to read what our customers have been saying? Check out our customer testimonials and find out why we should be YOUR U.S. Customs Broker!