Indiana Code Title 34. Civil Law and Procedure § 34-6-2-77

(1) has actual knowledge of a defect in a product;

(2) creates and furnishes a manufacturer with specifications relevant to the alleged defect for producing the product or who otherwise exercises some significant control over all or a portion of the manufacturing process;

(3) alters or modifies the product in any significant manner after the product comes into the seller's possession and before it is sold to the ultimate user or consumer;

(4) is owned in whole or significant part by the manufacturer; or

(5) owns in whole or significant part the manufacturer.