Roberts Onsite has over 80 years of experience providing multi-trade services for all types of building-related operations, energy systems and process machinery installations. We provide maintenance and installation expertise for communications infrastructure; building automation systems; energy installations; piping; lighting; and more. We have a technician for that Our team of over 250 of the industry’s most skilled trades people have the experience and skills to complete a wide variety of capital improvement and maintenance projects. On-site service We operate 24 hours a day, seven days a week.