A Fond du Lac company has landed another subcontract with Foxconn Technology Group. J.F. Ahern Company of Fond du Lac has been awarded a contract for mechanical and plumbing work for office and assembly. The award is one of four additional subcontracts announced for construction work at the Wisconn Valley Science and Technology Park in southeast Wisconsin. Foxconn says the awards carry a total contract value of more than $31 million, bringing the total construction contracts awarded for work at the park to approximately $350 million. The awards come as Foxconn nears completion of roof installation at the nearly 1,000,000 square-foot advanced manufacturing facility at the park.