Roberts Onsite is a Wholly Owned Subsidiary of Black & McDonald Limited
Email or call us at 1.800.265.8961 - 24 Hour Emergency Service

80 Years of Success

Since 1938, we’ve worked more than 24 million hours, installed enough cable to circle the earth, and performed 500,000+ service calls. What's most astonishing is our amazing customers and staff who made it all happen! To you we say, thank you for making our success possible.

Be sure to check out our new anniversary video for even more fun facts!

WATCH 80th Aniversary Video NOW
COR Certified

Roberts Onsite is proud to announce our COR™ certification. The Certificate of Recognition program (COR™) is an occupational health and safety accreditation program that verifies a fully implemented safety & health program which meets national standards. Congratulations to all our Employees, Management and our Safety Group for a job well done!


Company overview

Roberts Onsite Office Building

Roberts Onsite has developed into one of the largest and most respected mulit-trade contractors in the industry.
This solid reputation has grown out of the concerted efforts of our dedicated team of professionals.

About Us