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View Select Insulation Services's top competitors like Cellecta Ltd, Celotex, and EcoTherm Insulation UK Ltd.

Kingspan Group
At Kingspan, we're on a mission to transform the built environment through inspiration, innovation and insight. As the global leader in high-performance insulation and building envelope solutions for the construction market, our ultimate goal is to improve building performance and contribute to a more sustainable, energy-efficient future for our customers and the environment.
Kingscourt, IE
Private
$9B Revenue
http://www.kingspan.com
3K Employees
ROCKWOOL Group
At ROCKWOOL, everything we do is based on releasing the natural power of stone to enrich modern living. We help our customers and communities tackle many of today’s biggest sustainability and development challenges, from energy consumption and noise pollution to fire resilience, water scarcity and flooding. Our product range reflects the diversity of the world’s needs, while supporting our stakeholders in reducing their own carbon footprint. Stone wool is a recyclable, versatile material that forms the basis of all our businesses. With ~11,800 dedicated colleagues in 37 countries and sales in more than 120, we are the world leader in stone wool products, from building insulation to acoustic ceilings, external cladding systems to horticultural solutions, customised stone wool insulation components for other manufacturers’ products and systems (OEM), to insulation for the process industry and marine & offshore.
Hedehusene, DK
Public
$4.2B Revenue
http://www.rockwool.com/group
3.2K Employees
CPH:ROCK Ticker
Nuaire
We are a market-leading business, renowned for radically improving the quality of people’s lives by delivering clean air everywhere. We’ve been pioneers in new air technology since 1966. Our heritage is in the design and manufacture of fans and ventilation systems. We put energy into efficient ventilation so you don’t waste yours.
UK
Private
$199.3M Revenue
https://www.nuaire.co.uk
301 Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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