The agency has beaten-off competitors from Balfour Beatty Civil Engineering and John Graham Building.
The deal is a part of the Scottish Governments £257m funding within the undertaking with the brand new twin carriageway as a result of be operational by the top of 2028.
Cupboard Secretary for Transport Fiona Hyslop stated: “Our intention to award the contract for Tay Crossing to Ballinluig illustrates continued momentum in our supply plan for dualling the A9 between Perth and Inverness.
“When work commences on this part, we could have energetic dualling works at each the southern and northern extents of the Programme’s hall – a transparent signal of the momentum behind our supply plan.
“The receipt of three legitimate tenders throughout this procurement course of signifies that we can be assured that our funding on this A9 Dualling contract demonstrates worth for cash, and that the modifications we’ve got made to our contracts in recent times are making an actual distinction.
“We’re reaching the targets we’ve got laid out, and making regular progress throughout the hall to make sure that the complete route between Perth and Inverness is dualled by 2035.”
