Northern Indiana Public Service Co. Listing Category Public Utilities & Environment Business Contact Eddie D. Melton Business Phone Number (219) 886-5655 Business Fax (219) 886-5683 Email emelton@nisource.com Business Address 1460 E. 15th Avenue, Gary, IN Zip Code 46402 Contact listing ownerSend Message Name Email Phone Number Message Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.