County Index - Powys
- Arwyn Griffith - Powys - Machynlleth
- B Jenkins & Sons Ltd. - Powys - Brecon
- Cookson R E & Son - Powys - Welshpool
- Dave Smith (Newtown) Ltd. - Powys - Newtown
- Dawson Structural Engineering Co. Ltd. - Powys - Llanymynech
- Evans - Powys - Welshpool
- Evans Windows (Wales) Ltd. - Powys - Newtown
- Fine Iron Ltd. - Powys - Brecon
- Furnace (Earth Moving) Ltd. - Powys - Machynlleth
- J A Francis & Sons - Powys - Knighton
- J U Bowen Construction Ltd. - Powys - Newtown
- Milford Construction Co. - Powys - Newtown
- Morris Plant Hire Ltd - Powys - Welshpool
- Pressurefast Ltd - Powys - Machynlleth
- Technocover Ltd - Powys - Welshpool
- Thomas G Evans - Powys - Newtown
- William Rees Plant Hire - Powys - Machynlleth
- Williams Plant Hire Ltd - Powys - Welshpool