Infrastructure construction companies in Wales

190 companies across Wales working in the infrastructure sector.

• M M Thomas Water Services Ltd Cardiff · Utilities · 10-49 employees

  M Thomas Water Services provides professional water and drainage pipe replacement services across South Wales, using trenchless technology for minimal

• M M.W.T. Civil Engineering Ltd Llysfaen · Civil engineering · 10-49 employees

  MWT Civil Engineering is a family-run business in North Wales, established in 2001. We offer a wide range of civil engineering services, including hig

• M Manning Construction Ltd Bridgend · Main contractor · 10-49 employees

  Manning Construction Limited is a leader in providing value-added construction services, creating successful partnerships through exceptional performa

• M Martin Taffetsauffer Building & Civil Engineering Contractors Ltd Swansea · Main contractor · 10-49 employees

  Martin Taffetsauffer Building & Civil Engineering Contractors Ltd is a construction company based in South Wales, offering a range of services includi

• M Millisun Ltd Industrial Es, Pontypridd · Bricklaying · 10-49 employees

  National Brickwork Contractors offering professionalism, excellence and efficiency. Established in 1999, Millisun has completed over 500 contracts acr

• M Mk Enterprises (UK) Ltd Llanrwst · Timber frame · 1-9 employees

  MK Enterprises offers timber engineering, bridges, boardwalks, anti-slip products, environmental contracting & Playgrass, artificial dry ski slope sur

• M Mon Civils Ltd Holyhead · Civil engineering · 1-9 employees

  Mon Civils Limited, Your experienced civil engineers in North Wales. Transforming visions into reality. Call us for expert solutions and unmatched pre

• M Morris Line Engineering (Holdings) Ltd Bridgend · Electrical · 50-249 employees

  Morris Line Engineering provides bespoke HV & LV equipment and electrical contracting services to the Utility, Rail, Oil & Gas, Construction, and Stee

• M Muzz Jointing Ltd Aberdare · Electrical

  Professional cable jointing services delivered with precision, safety, and reliability across the United Kingdom. Specialising in LV/HV systems.

• N Netwell Scaffolding Rhyl · Scaffolding · 1-9 employees

  Netwell Scaffolding, based in Dyserth near Rhyl, supplies and erects scaffolding across North Wales, Cheshire, The Wirral, and Greater Manchester. Ful

• N Newport Land Reclamation Ltd Cardiff · Site clearance

  Newport Land Reclamation Ltd offer muck away, land reclamation, aggregate supply, and road sweeping services in Cardiff and Newport.

• N Newydd Maintenance Limited Cardiff · Refurbishment · 50-249 employees

  Newydd Maintenance Limited is an in-house contractor providing responsive and planned works to Newydd Housing Association, part of the Cadarn Housing

• N Nmc Maintenance Services Ltd Merthyr Tydfil · Rail infrastructure

  Specialist railway and underground rail maintenance services. Supporting the safe, continuous operation of rail infrastructure.

• N Noble Civil Engineering Ltd Ferndale · Civil engineering · 1-9 employees

  Noble Civil Engineering is a civil engineering company in South Wales providing specialist building contractor and project management services and con

• N Northern Steel Decking Ltd Farm Industrial Estate Chepstow · Steel fabrication · 10-49 employees

  Northern Steel Decking Ltd is a specialist provider of suspended slab construction, offering supply, detailing, and installation of metal decking, stu

• N Npt Access Ltd Port Talbot · Scaffolding

  NPT Access Scaffolding offer a fast, reliable and cost-effective scaffolding service for domestic, commercial and industrial requirements in Swansea,

• N Nuvolt Ltd Cardiff · Solar PV · 10-49 employees

  Nuvolt designs, funds, builds and operates integrated energy systems, solar, battery, EV and grid, under one accountable partner.

• P P D Construction & Plant Ltd Denbighshire · Groundworks

  PD Construction and Plant provide groundworks, plant hire, sewerage services, and construction across North Wales and Shropshire. Family-run with over

• P P.S.S. Scaffolding Ltd Bridgend · Scaffolding · 10-49 employees

  P.S.S. Scaffolding Ltd, established in 1983, offers dependable, cost-effective scaffolding services across the UK, adhering to strict Health and Safet

• P Paul Harris Steelfixing Services Ltd Monmouthshire · Steel fabrication · 1-9 employees

  Paul Harris Steel Fixings Limited offers professional steel reinforcement and formwork services in Caldicot, covering Monmouthshire and Newport. Conta

• P Performance Civils Ltd Wrexham · Civil engineering · 1-9 employees

  Performance Civils Limited is a family-run civil engineering company based in Wrexham, North Wales, with over 40 years of combined experience. They of

• P Phoenix Fencing & Construction Ltd Merthyr Tydfil · Fencing · 1-9 employees

  Leading commercial and security fencing contractors and suppliers across Wales, the West Country and the wider UK. Specialising in premium fencing, ga

• P Pinnacle Access Services Ltd Bridgend · Scaffolding · 10-49 employees

  Pinnacle Access Services Ltd provides scaffolding services to domestic, commercial, and industrial clients across South Wales and beyond. Established

• P PLUG Charging Cardiff · EV charging

  Smart EV charging infrastructure for councils, businesses and drivers, from lamp posts to depots, powering sustainable transport across Wales.

• P PM Consultants Monmouthshire · Drainage · 1-9 employees

  PM Consultants (UK) Ltd is an Abergavenny-based surveying company offering land surveying, building surveying, setting out, and sewer inspection surve

• P Pp7 Solutions Ltd Abergavenny · Utilities

  PP7 Solutions Ltd provides expert telecommunications consultancy, infrastructure development, network design, and smart city solutions across the UK a

• P Precision Land Surveyors (Wales) Ltd Aberdare · Utilities · 1-9 employees

  Experienced surveyors operating throughout Wales and South West England, utilising the latest technology and expertise for precise Topographical Surve

• P Premier Groundworks Solutions Ltd Porth · Civil engineering · 1-9 employees

  Premier Groundworks Solutions is a multidisciplinary civil engineering contractor based in South Wales, offering expert services in groundworks, pavin

• P Price Railway Contractors Ltd Caerphilly · Rail infrastructure

  KGJ Price Railway Contractors Ltd is a UK-based company specialising in rail track manufacturing, installation, and repairs for industrial, mainline,

• P Prichard Holdings Pontyclun · Demolition · 250+ employees

  Prichard's is a market leader for construction, recycling, environmental remediation, earthworks, rail, demolition and support services. Operating thr

• P Prichard Holdings Contracting Pontyclun · Civil engineering · 1-9 employees

  Prichard's is a market leader for construction, recycling, environmental remediation, earthworks, rail, demolition and support services. Operating thr

• P Pro Steel Engineering Ltd Pontypool · Steel fabrication · 10-49 employees

  Pro Steel Engineering is a trusted steel-specialist firm offering safe and professional construction, fabrication, and project management services acr

• P Procter Brothers Ltd Caerphilly · Fencing · 10-49 employees

  Procter Brothers Ltd operates three divisions: Machine Guarding, Fencing Contracts, and Fencing Supplies, offering a comprehensive range of specialist

• P Project Power Contracting Ltd Newport · Utilities · 1-9 employees

  Project Power provides temporary power solutions across the UK, including generator hire, battery storage, fuel management and power distribution.

• P Promec Engineering Ltd Chepstow · M&E contracting · 50-249 employees

  Promec Engineering Limited are mechanical and civil engineers that predominantly work within the oil, gas, water & power generation industries.

• P Protech Rail & Civil Engineering Ltd Abercynon · Rail infrastructure · 10-49 employees

  Protech Infrastructure is a reliable partner in rail and infrastructure projects, specializing in safety, efficiency, and cost-effectiveness. They off

• Q Quantum Traffic Management Limited Newport · Traffic management · 50-249 employees

  Quantum Traffic Management provides comprehensive traffic management services across the UK, ensuring safety and efficiency for roadworks and events.

• R R.E. Plant Hire Ltd Port Talbot · Plant hire · 10-49 employees

  RE Plant Hire are specialists in HIAB and Telehandler hire across South Wales and the UK. Established in 1974, they offer professional lifting and tra

• R R&M Williams Ltd Neath · Main contractor · 50-249 employees

  R&M Williams Ltd. work with public and private sector clients to deliver a broad range of projects in Construction, Refurbishment, Maintenance and Dec

• R RDM Electrical & Mechanical Services Swansea · Electrical · 50-249 employees

  One of the UK's leading electrical and mechanical service providers delivering bespoke, innovative and flexible designs to maximise the potential of y

• R Reen Energy Ltd St. Asaph · Solar PV · 1-9 employees

  REEN Energy is an innovative construction, engineering, and consulting company specialising in solar farms across the UK. Founded in 2019, they offer

• R Rejuvenate Groundworks Development Group Ltd Penarth · Groundworks

  Rejuvenate Groundworks Development Group Limited offers specialist groundworks, civil engineering, and landscaping services. With 35 years of combined

• R Retro Bridge Ltd Chepstow · Modular & offsite construction · 1-9 employees

  Retro Bridge Group supplies highly efficient temporary or permanent bridges and floating structures for hire, sale or sale & buy-back across Europe an

• R Ridgeway Contractors Ltd Usk · Fencing · 1-9 employees

  Ridgeway Contractors Ltd, established 2001, is a leading provider of external works contracting, delivering professional fencing, groundworks, drainag

• R Riph Contracting Services Ltd Bridgend · Civil engineering

  RIPH Contracting Services Ltd provides practical site preparation and civil engineering works for construction projects. We focus on clearance, levell

• R Rna Plant Ltd Ammanford · Road surfacing · 10-49 employees

  RNA Plant is an established highways maintenance company based in Carmarthenshire, Wales, operating a fleet of cold milling machines and road sweepers

• R Road 2 Rail Access Ltd Abergavenny · Rail infrastructure · 10-49 employees

  Road2Rail Access Ltd is a RISQS approved industrial abseiling company with PTS trained staff, offering a wide range of rope access and rail services n

• R Roscoe Tree Services Ltd Haverfordwest · Plant hire

  Roscoe Tree Services Ltd is a highly skilled arboricultural contractor in Pembrokeshire, West Wales, offering tree surgery, grounds maintenance, fenci

• R Rowecord Total Access Ltd Swansea · Scaffolding · 50-249 employees

  Rowecord Total Access Limited is a specialist scaffolding company providing access solutions across Wales and the South West. They offer reliable and

• S S A Roberts Groundworks Ltd Wrexham · Groundworks · 1-9 employees

  Reliable and professional groundwork & moling services. We offer cost-effective & quality services for domestic and commercial projects across North W