Castlework Contractors Limited are approved specialist contractors for major formulating companies, e.g.

SBD LTD.
ISPO LTD.
ALTRO LTD.
FOSROC LTD.
EXCHEM LTD.
SIKA LTD.
REMMERS (UK) LTD.

and are also approved by numerous statutory bodies, e.g.

PSA/DOE
HOME OFFICE
BRITISH RAIL REGIONS
LONDON TRANSPORT (Bus Division)
ELECTRICITY AUTHORITIES
plus many local authorities and London Boroughs

Environmentally friendly products are used wherever possible and all current safety and EEC regulations are observed.

Borough of Luton
Llewellyn Construction
John Lucas Consulting Engineer
Ashby & Horner
Wates Special Works Ltd.
British Rail
Fairclough Ltd.
Robert Watson & Co. (Steelwork) Ltd.
Alfred McAlpine Ltd.

For reasons of confidentiality, we are unable to list all the prestige projects in which have been privileged to participate as sub-contractors. The above is merely a selection from our extensive client list.