The contract will be funded by a partnership of three companies, Chivas Brothers, Diageo and Ian MacLeod Distillers.
Connection to the gas network will help reduce the distilleries’ carbon footprints by cutting their reliance on fuel oil and ending the need for delivery by road tankers during the summer months.
The new pipeline will serve the Speyside distilleries, Tamdhu, Dalmunach, Cardhu and Knockando.
Work will begin next month and be delivered by a dedicated team of project managers and engineers led by Fulcrum.
The company took its installation team in-house earlier this year when more than 100 staff transferred over from contractor McNicholas.
Martin Donnachie, Chief Executive of Fulcrum, said: “We are delighted to be further endorsing our relationship with Scotland’s historic whisky industry by the award of this second prestigious contract.
“Not only are the distilleries enabled to further strengthen their gas infrastructure but they will be able to achieve long-term environmental efficiencies.
“This in turn will make a significant contribution to the local employers and communities. We look forward to working with them on delivering a sustainable, efficient and environmentally friendly utilities service.”