About us. Utility Trailer Sales of Washington is a fast growing, family owned company. We opened the doors in Kent Washington in 1991. Now 30 years later, we have Auburn WA, Mt. Vernon WA, Richland WA and Anchorage AK. We are determined to keep moving forward and need more members on our team to grow with us. This isn't just a job. This is a career. Start your new life here. Utility Trailer Sales of Washington & Carrier. is the leader in the Tran...