• Avonholm Windows Ltd
  45-51 Kelvin Avenue, Hillington Industrial Estate, GLASGOW, Lanarkshire, G52 4LF
• Nerston Windows
  11 Howard Court, Nerston Industrial Estate, East Kilbride, GLASGOW, Lanarkshire, G74 4QZ
• Scottish Doors 96
  128 Broomloan Road, GLASGOW, Lanarkshire, G51 2BS
• Tempest Windows & Doors Ltd
  100 Nuneaton St, GLASGOW, Lanarkshire, G40 3DX
• Ventrolla
  Unit 12 Block C, 65 Glenwood Place, GLASGOW, Lanarkshire, G45 9UH
• W M Brown
  11 Church Street, GLASGOW, Lanarkshire, G11 5JP
• WM. Brown & Company (Engineers) Ltd
  Unit 2 239 Shawbridge Street, GLASGOW, Lanarkshire, G43 1QN