Founded in 1949, Nabholz started out as a small construction company. Now, 75 years later, we have transformed into a national multi-service contractor with over $1B in annual volume and an unmatched variety of services in construction, facility maintenance, industrial and specialty installation, energy efficiency, and excavation. Our team of more than 1,400 industry-leading professionals has extensive experience with projects of all sizes in aviation, industrial, manufacturing, education, healthcare, commercial, municipalities, and more client sectors. Our team spans across offices in seven states, and with licenses in over 40, we work on projects all over the country.