Springs, biconical in United Kingdom
- Red Rose Engineering
- Flexo Springs Ltd
- Alpha Springs Ltd
- Magrenko Ltd
- Associated Spring
- Euro Stock Springs Ltd
- Springstop (UK) Ltd
- Anixter
- Doig Spring
- A & L Springs
- Mortimer Springs Ltd
- Sterling Springs Ltd
- Rochdale Springs Company Ltd
- B P S Springs Ltd
- United Springs Ltd
- Institute Of Spring Technology
- European Springs Ltd
- Craftmans Springs
- Adwin Spring Co. Ltd
- Holt Springs Ltd
- Simpson Springs & Pressings Ltd

Metallurgy, metalworking and metal products