nester
n.β Β«Contractors often are hired by the chemical industry for specialized work and to keep costs down. Some are so imbedded in the work force they are called “nester” contractors, with long careers in one place, while others work on short-term projects.Β» ββJob cuts hit Texasβ chemical industry” by Brett Clanton Houston Chronicle (Texas) Dec. 14, 2008. (source: Double-Tongued Dictionary)