An Alabama firm is bidding for Fairchild.

Intergraph Corp. of Huntsville, Ala., confirmed that it is negotiating to buy the Cupertino, Calif., semiconductor maker as part of an investor group. Fairchild spokeswoman Francine Plaza declined comment on whether Intergraph’s announcement was related to a buyout proposal made by Fairchild management. Schlumberger Ltd., Fairchild’s parent firm, is considering a number of offers. Intergraph declined further comment.