United States, Aug. 8 -- NASA has chosen a group of contractors to supply multiple agency facilities with liquid and gaseous helium for at least the next two years.The NASA Agency-wide Supply of Liquid and Gaseous Helium contract is a fixed-price indefinite-delivery requirements contract with firm-fixed-price delivery orders. The awards have a total estimated value of approximately $105.1 million. The performance period begins Wednesday, Oct. 1, to Sept. 30, 2027, with three one-year option periods that could extend the contract to Sept. 30, 2030.The awardees include:Messer, LLC in Bridgewater, New JerseyLinde, Inc. in Danbury, ConnecticutAirgas USA, LLC in Tulsa, Oklahoma, and Long Beach, CaliforniaUnder this contract, contractors will sup...