LAS VEGAS — EJM Development Co. has completed the first phase of The Arroyo Corporate Center in southwest Las Vegas. Located between Rainbow Boulevard and Buffalo Drive, the first phase consists of two Class A office buildings totaling approximately 125,000 square feet. Each building offers fiber-optic wiring and covered parking. The development consists of a full range of business location options, including Class A office buildings, ranging from two to six stories, single-story office space and industrial buildings. JMA Architecture Studios is the architect of record, while Martin Harris Construction served as general contractor for the project.