HLE - Blackfoot HLE - Blackfoot Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Services >> Surveying HLE - Blackfoot 800 W Judicial StBlackfoot, ID 83221 | map | directions Clint Jolley (208) 785-2977 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