No matter where in the world you come across us, the name Forbes consistently carries a history of reliability and innovation.


FB Timberline

FB Timberline (formerly Timberline Construction Ltd.) has been operating since 2007 and joined the FB Group of Companies in 2017. FB Timberline brings a focus on safety, skilled people and specialized equipment required to complete any utility project, of any size.

Address: 1774 Centre Street, Suite A, Rapid City, SD, 57703

Telephone: (605) 342-3800


Working Together To Build Things That Matter.



Number of employees within the Forbes Bros. Group of Companies



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Successfully completing over 21,000 projects since 1977

“The safety culture at Forbes is unique”

Each and every person who works here believes in and supports our safety program. Not because they feel that they have to, but rather because they believe in it and feel/see the value in safety success. I know that my coworkers are looking out for me and vice versa.

J. Taylor – HSE Advisor, SK