Connect with Top-Rated Engineers in Johnson City!

Holston Engineering Inc. is a full-service commercial Mechanical, Plumbing, and Electrical engineering provider, founded in 1995 by Joe Riggs. Derwin Cartmel, with 28 years of industrial experience, joined as President and Principal Mechanical Engineer in 2017. They provide professional services for all types of projects, including churches, healthcare, industrial, offices, residential, restaurants, retail, and other commercial and industrial projects. With extensive experience in all phases of these projects, they offer flexibility, nimbleness, and responsiveness to project needs.

Hungate Engineering, P.C. is a very customer oriented company that has been serving customers since 1986 and strives to complete a superior project on time at an economical cost. The company has specialized expertise in conveying systems and preparation plant design and inspection for the coal industry and is highly qualified to do any type of civil or structural project. With experience in designing coal preparation plants, conventional building systems, conveyor systems, reclaim tunnels, stacking tubes, bridges, reinforced concrete box culverts, foundation systems, retaining walls, heavy lifting elements, curtain walls, shoring systems, reinforced concrete tanks, storage bins, and chutes, Hungate Engineering, P.C. has the capacity to design and analyze various structural systems. From buildings to bridges to retaining walls, our staff of engineers and designers will produce a set of structural design drawings to meet your requirements.

Highlands Engineering & Surveying, PLLC is a full-service consulting firm providing engineering, land surveying, environmental, and energy services to clients in North Dakota, South Dakota, and Montana. With a team of highly trained and experienced experts, the company is committed to providing exceptional results and unparalleled levels of service to its clients. Its services include land and site development, municipal engineering, transportation engineering, water resource engineering, construction engineering, land surveying, material testing, energy services, GIS services, and environmental services. The company's core values reflect its focus on client-centered consulting, technical competency, and responsiveness, ensuring that clients receive high-quality work and value-added services.