Delivery vehicle Contractor name HQ % work self-delivered % work using local sub-contractors Alliance partner Amey Black & Veatch (ABV) Joint Venture ABV HQ is in Scotland but the HQs of the individual companies are in England 51% 41% Alliance partner Caledonia Water Alliance (CWA) Joint Venture CWA HQ is in Scotland but the HQs of the individual companies are in England 60% 40% Alliance partner Efficient Service Delivery (ESD) Joint Venture ESD HQ is in Scotland but the HQs of the individual companies are in England 2% 63% Tier 1 Amey Group (Byzak) England 45% 13% Tier 1 Enisca Northern Ireland 100% 0% Tier 1 Farrans Construction Northern Ireland 100% 0% Tier 1 Farrans Construction (Trading as a division of Northstone (NI) Ltd) and Environmental Techniques JV (FET) Scotland 80% 20% Tier 1 Fast Flow England 40% 59% Tier 1 Contractor & Rural contractor Ferrier Pumps Ltd Scotland 60% 30% Tier 1 Galliford Try & I D Systems UK Joint venture Scotland 82% 18% Tier 1 Contractor & Rural contractor Galliford Try Infrastructure Ltd (Trading as Morrison Construction) Scotland 98% 2% Tier 1 Contractor & Rural contractor George Leslie Ltd Scotland 69% 24% Tier 1 Contractor & Rural contractor MacKenzie Construction Ltd Scotland 80% 20% Tier 1 Ross-Shire Engineering Ltd Scotland 85% 15% Tier 1 WGM Engineering Ltd Scotland 85% 12.5% Tier 1 Contractor & Rural contractor Coffey Construction Ltd England 50% 0% Rural contractor PSI Limited Scotland 90% 10% Rural contractor Morgan Sindall England 60% 40% Rural contractor Aird Walker & Ralston Ltd Scotland 100% 0% Rural contractor Barr & Wray Scotland 100% 0% Rural contractor Clancy Docwra Ltd Scotland 90% 10% Rural contractor Dustacco Engineering Ltd Scotland 85% 10% Rural contractor Enisca Ltd/Cleantech Civils Ltd Joint venture Northern Ireland 90% 0% Rural contractor Global Infrastructure Ltd Scotland 100% 0% Rural contractor ID Systems / Robertson Construction Joint venture Scotland 100% 0% Rural contractor Prime Pumps Ltd Scotland 100% 0% Rural contractor Coe Contracts Ltd Scotland 100% 0% Rural contractor Frank L...