75. Kingspan Envir.
- Chief executive: Gene Murtagh
- Pre-tax profit: £6.1m
- Employment: 726
- Pay bill: £27.7m
Kingspan Environmental, part of the Kingspan Group, creates sustainable, renewable and environmentally friendly solutions for sourcing, storing and protecting energy and water, powering homes and businesses across the world.
The company works with property developers, building owners, designers, contractors and installers.