HLE HLE Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Services >> Materials Testing HLE 985 N Capital AveIdaho Falls, ID 83402 | View on Google Maps Luke Jolley (208) 542-0210 | fax: (208) 524-0229 Visit Site Connect With Us Provides civil engineering, land and construction surveying, and materials testing. Harper-Leavitt Engineering has locations in Idaho Falls and Blackfoot. Member Since: 2018 Send a message to: HLE Your Name: Your Email: Subject: Message: (Date: 8/11/2025)