Directions to AMERICAN PETROLEUM INSTITUTE Directions to AMERICAN PETROLEUM INSTITUTE Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Political Organizations AMERICAN PETROLEUM INSTITUTE 400 W. MonroeSpringfield, IL 62704 | map (202) 682-8141 Visit Site Get directions to: AMERICAN PETROLEUM INSTITUTE, 400 W. Monroe, Springfield IL Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!