Communications Engineering The technical solutions experts within HMI are trained in a multidiscipline approach to provide design and engineering services for wireline and wireless communications projects. From designers, planners, hardware, and software specialists to analysts, system engineers, and project management professionals, we have the team in place to complete your project, end-to-end, from source to end user. Our team provides consulting engineering and design services for: Copper and fiber optic plants Overhead to underground conversions Multi-dwelling units Microwave systems Large venues Wireless voice and data Data centers