West Coast Arborists, Inc. (WCA, Inc.) was established in 1972. Today, the family-owned company is providing professional tre ... e maintenance and management services for over 300 municipalities and public agencies throughout the states of California and Arizona. One thing that sets WCA apart from the other tree care firms is our proprietary tree inventory software program called ArborAccess. It is being utilized by municipalities and public agencies and has been a proven method to help manage their urban forests. ArborAccess incorporates the use of GPS technology to better maintain and track work history records, schedule future work, and assist with budget management. We are a licensed contractor and proud to lead the industry in state-of-the art urban tree care like no other company in the world. read more