Engineering companies in Southend on Sea
- Aerostocks Ltd. - Southend on Sea
- Alljay Plastics Sheet Sales - Southend on Sea
- Alplas Ltd - Southend on Sea
- Altech Trading - Southend on Sea
- Altex - Southend on Sea
- Asbestos Environmental Services - Southend on Sea
- C S Precision Inspection and Calibration Services Ltd - Southend on Sea
- E Linley and Son - Southend on Sea
- EGL Homecare - Southend on Sea
- Estuary Automation Ltd - Southend on Sea
- Goodens Textiles - Southend on Sea
- Hallmark Healy Ltd - Southend on Sea
- Hellma UK Ltd - Southend on Sea
- HERVE Engineering Ltd - Southend on Sea
- Hockley Enterprises - Southend on Sea
- Imperial Metal Recyclers Ltd - Southend on Sea
- Industrial Metal Services (Steel Stockholders) - Southend on Sea
- IPE - Southend on Sea
- KeyMed (Medical and Industrial Equipment) Ltd - Southend on Sea
- Leigh Safes - Southend on Sea
- Luna Ltd - Southend on Sea
- Protocon Engineering Ltd - Southend on Sea
- Raybrook Sheet Metal Works Ltd - Southend on Sea
- RG Wylie and Co Ltd - Southend on Sea
- SGM Design Ltd - Southend on Sea
- SK Signs and Labels Ltd - Southend on Sea
- South Essex Fasteners Ltd - Southend on Sea
- Sovereign Design Play Systems Ltd - Southend on Sea
- Surgical Holdings (T/u PW Coole and Son Ltd) - Southend on Sea
- Tanseli International Ltd - Southend on Sea
- Threeway (Precision) Sheet Metal Ltd - Southend on Sea
- Total Engineering and Fabrication - Southend on Sea
- Towerfield Plating and Anodising - Southend on Sea
- Waverley Brownall Ltd - Southend on Sea
- Worth and Co Blinds Ltd - Southend on Sea