Kingfisher County commissioners opened 10 bids for a new Kingfisher County OSU Extension office at the county fairgrounds Monday.Bids ranged from $1,059,000 to $1,536,260.Bids included: Calm Construction, $1,059,000; Henson Construction, $1,116,000; W.L. McNatt & Co., $1,200,000; Firebrand Construction, $1,231,000; Cade Construction, $1,300,000; Downey Construction, LLC, $1,307,787; Vogts Construction Co., $1,384,500;