Quality Assurance
Tension Control Bolts Ltd operates a quality management system in accordance with BS EN ISO 9001:2008 Certificate No. FS 86045
| Other approvals include: |
 |
| Approved suppliers to: |
| ABB |
Carillion |
Morgan Sindall |
| Alfred McAlpine |
Costain |
Murphy Group |
| Alstom Power |
C Spencer |
Norwest Holst |
| Alstom Transport |
eDF Energy |
Samsung Engineering |
| Amec |
Galliford Try |
Sisk Group |
| Amey |
Gammon Construction |
Skanska |
| Babcock International Group |
Interserve |
Stobart Rail |
| Balfour Beatty |
Kier Group |
Tekfen |
| BAM Nuttall |
Laing O'Rouke |
Ustay |
| Bechtel |
Mace |
Vinci PLC |
| Bovis Lend Lease |
May Gurney |
VolkerWessels UK |
| Specified by: |
| Aecom |
Gifford |
Roughan & O'Donovan |
| Arqiva |
Halcrow |
Royal Haskoning |
| Arup |
Hyder Consulting |
SKM |
| Atkins |
Jacobs |
Tony Gee & Partners |
| Black & Veatch |
Mott Macdonald |
URS Scott Wilson |
| Buro Happold |
Mouchel |
W A Fairhurst |
| Capita Symonds |
O'Connor Sutton Cronin |
Waterman Group |
| Cass Hayward |
Parsons Brinkerhoff |
WSP |
| Flint & Neill |
Pell Frischmann |
WYG |
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