The contractor specialised in M&E, air conditioning and voice and data cabling from its branches in Devon, Yeovil, Plymouth and Barnstaple.
Administrative receiver BDO confirmed to the BBC that 118 people have been made redundant with immediate effect.
The firm’s service and maintenance arm has been sold to Integral UK Holdings as a “going concern” – saving 22 jobs.
The firm was established in 1967 and members of its supply chain included Speedy Hire and BSS.