- ABC Spring Co
- Acxess Spring
- Advanced Precision Spring Corp
- Anchor Springs Inc
- Aranki Spring Mfg
- Aranki Spring Mfg
- Archer Spring & Tool Corp
- Atec Spring Co
- Atlas Springs Mfg Corp
- Atlas Springs Mfg Corp
- Auto Motor Sports Parts
- Autsinburg Mechanical Wire
- BES Industries Inc
- Betts Spring Co
- Branch Coil Spring Co
- C & M Spring Engineering Co
- C & M Spring Engineering Co
- Carlson Spring Co
- Centennial Spring
- Century Spring Corp
- Century Spring Corp
- Comp-U-Tek Inc
- Computechnology
- Computer & Electronic Ctr
- Computer & Network Paramedics
- Computer & Office Training
- Computer & Peripheral Repair
- Continental Spring Specialty
- Continental Spring Specialty
- Curran Coil Spring Inc
- Curran Coil Spring Inc
- Custom Springs Inc
- D M Spring & Machining Inc
- Duer/Carolina Coil Inc
- E-Z Spring
- Exacto Spring Co
- Excel Spring & Stamping
- Excel Spring & Stamping
- Fairway Spring Co
- Florida Spring Mfg Inc
- Formet Corp
- Formet Corp
- Fruitport Spring & Fabrication
- Garage Works
- Goff Custom Spring Inc
- Golden Spring Co
- Hickory Springs Mfg Co
- Hickory Springs Mfg Co
- Hitech Precision Springs Co
- House Of Springs Inc
- J & M Products
- J K Springs & Wire Forms
- J W Whims Co
- KIRK-Habicht Co
- Lane Spring Co Inc
- Lee Spring Co
- Lee Spring Co
- Leggett & Platt Inc
- Leggett & Platt Inc
- M W Industries
- M W Industries
- Mace's Foreign & Domestic
- Michael Dudek
- Michael Dudek
- Michael Dudek
- Michael Dudek
- Michigan Spring & Stamp
- Michigan Spring & Stamp
- Mid-West Spring & Stamping
- Midwest Thermal Spray
- Midwest Thermal Spray
- Moyer Spring Co
- Neo-Tech Spring Corp
- Nesma Inc
- Newcomb Spring Of California
- NHK Intl Corp
- North Carolina Coil Inc
- Nu-Tech Spring Design & Mfg
- Pacific Coils
- Peterson American Corp
- Peterson Spring
- Plastic Mold Technology Inc
- R & L Spring Co Inc
- Regal Springs Co
- Rhodes Spring Co
- Riverside Spring Co
- Rockwell International Corp
- Royal Coil Inc
- Royal Coil Inc
- Scherdal Sales & Technology
- Select-A-Spring Inc
- Shank Spring Design Inc
- Sidhil Technology LLC
- Southern Spring & Stamping Inc
- Spring Industries Inc
- Spring Rebuilders Inc
- Springs Inc
- Stalder Spring Works
- Tadd Spring Co
- Tennessee Coil Springs Inc
- Timac Mfg Co
- Tremac Corp
- Tri-Matic Spring Co
- Twist Inc
- Universal Assemblies
- Valley Spring
- Vibration Mountings & Controls
- W B Jones Spring Co Inc
- Western Spring & Machine Mfg
- Wire Works Spring Co
- Woldring & Assoc Sales Co
- Woldring & Assoc Sales Co
- Wolf Wire Forms Inc
- Yost Superior Co
