Engineering Company Index - Q
- Q A (Weld Tech) Ltd. - Middlesbrough
- Q A Bolting Systems - Rotherham
- Q A Electrical Products Ltd. - Walsall
- Q A Equipment - Maryport
- Q C D Ltd. - Gosport
- Q K S Kitchen and Window Centres - Peterborough
- Q S Enamellers & Polishers Ltd. - Stroud
- Q Star Precision Ltd. - St Neots
- QA Liftrucks - Birmingham
- QBC Gates - Poulton le Fylde
- Qbitus Products - Halifax
- QED Project Engineering Ltd - Stoke on Trent
- QFS (Technologies) Ltd - Birmingham
- Qimtek Ltd - Basingstoke
- Qinetiq Ltd. - Farnborough
- Qioptiq Photonics Ltd (previously Point Source Ltd) - Southampton
- QMF Northern Ltd - Blaydon on Tyne
- Qrs Precision Engineering Ltd. - Hartlepool
- Qtech M T A Ltd. - Birmingham
- QTS Industrial Supplies - Cardiff
- Quadmost Engineering Ltd. - Hastings
- Quadraco Ltd. - Bicester
- Quadratics Consulting Ltd. - Camborne
- Quadro (T/u Willenhall Hardware Mfrs Co Ltd) - Wolverhampton
- Qualfab Ltd. - Oldbury
- Qualicut Engineering Ltd. - Oldham
- Qualitech Food Systems Ltd - Ripon
- Qualitek-Europe Ltd - Chester
- Qualiturn Ltd - Hastings
- Qualiturn Products Ltd. - Hertford
- Quality Assured Industrial Services Ltd - Hertford
- Quality Blasting Ltd - Stourbridge
- Quality Boiler Services - Preston
- Quality Cabinetry - Sheffield
- Quality Castings (Slough) Ltd - Bury St Edmunds
- Quality Castings (Slough) Ltd. - Bury St Edmunds
- Quality Component Engineering Ltd. - Plymouth
- Quality Components (UK) Ltd - Wakefield
- Quality Control Technology Ltd - Long Eaton
- Quality Conveyors Ltd. - Elland
- Quality Couplings Ltd. - High Wycombe
- Quality Engineered Products - Hassocks
- Quality Engineering Design Ltd - Liverpool
- Quality Engineering Design Ltd. - Manchester
- Quality Engineering Services - Birkenhead
- Quality Engineering Services (Bristol) Ltd. - Bristol
- Quality Enviromental Design - Maidenhead
- Quality Films Ltd. - Cannock
- Quality First International Ltd. - London
- Quality Fixing Supplies Ltd. - Hull
- Quality Forgings (Scotland) Ltd. - Bathgate
- Quality Heat Treatments Ltd. - Rotherham
- Quality Hydraulic Power Ltd - Chester
- Quality Hydraulics Ltd - Newton Aycliffe
- Quality in Components Ltd. - Buckingham
- Quality Industrial Coatings - Bishops Stortford
- Quality Machining Services (Grimsby) Ltd. - Grimsby
- Quality Manufacturing Services Ltd. - Wolverhampton
- Quality Metal Fabrication - Ashford
- Quality Monitoring Instruments Ltd. - London
- Quality Pine - Bournemouth
- Quality Plated Plastics - Birmingham
- Quality Products General Engineering (Wickwar) Ltd. - Bristol
- Quality System Services - Newton Aycliffe
- Quality Tooling (North East) Ltd. - Sunderland
- Quality Trade Frames Ltd. - Glasgow
- Quality Upholstery - Liverpool
- Quality Wrought Iron - Stockton on Tees
- Qualmech Ltd. - Cwmbran
- Qualter Hall and Co Ltd - Barnsley
- Quantex Research Ltd. - Manchester
- Quantock Engineering Co - Taunton
- Quantock Joinery Systems Ltd. - Crewkerne
- Quantum Air Technology Ltd - Rossendale
- Quantum Manufacturing Ltd. - Warwick
- Quantum Precision Engineering Ltd - Birmingham
- Quantum Turned Parts Ltd - Hinckley
- Quarry Manufacturing and Supplies Ltd - Coalville
- Quartet Window Systems Ltd. - Hull
- Quartic Engineering Ltd. - Rochester
- Quartz Scientific Glassblowing Ltd - High Wycombe
- Quartzelec - Sheffield
- Quasartronics Ltd. - Brierley Hill
- Quay Engineering (Poole) Ltd. - Poole
- Quay Fabrications (Lancaster) Ltd. - Lancaster
- Quay Furniture Co - Rotherham
- Quay Healthcare Ltd. - Weymouth
- Quay Manufacturing - Poole
- Quayside Conservatories Ltd. - Beccles
- Quayside Precision Engineering Ltd. - Eastleigh
- Quazar International - Aylesford
- Qube Epos Ltd. - Bristol
- Qubis Ltd. - Belfast
- Qudos Technology - London
- Qudos Technology Ltd - Didcot
- Queensbury Shelters Ltd. - Portsmouth
- Queensgate Engineering - Oldham
- Queensway Engineering (Scunthorpe) Ltd. - Scunthorpe
- Quenched & Tempered Steels Ltd. - Leeds
- Queniborough Aluminium Services Ltd. - Leicester
- Quest '88 Ltd. - Shifnal
- Quest 4 Alloys Ltd. - Bilston
- Quest Equipment Ltd. - Aylesbury
- Quest Fabrications Ltd - Stoke on Trent
- Quest Solutions (Uk) Ltd. - Bradford
- Quick Fix Motor Cycles - Hull
- Quick Hydraulics Ltd. - North Shields
- Quick Signs - Cardiff
- Quick Tools Ltd. - Portsmouth
- Quick-Steel Ltd - Winsford
- Quickedge Ltd. - Manchester
- Quickfit Safety Belt Service (Camberley) Ltd. - Stanmore
- Quickgrind Ltd. - Tewkesbury
- Quickway Buildings Ltd - Sevenoaks
- Quillnorth Ltd. - Halifax
- Quin Systems Ltd. - Wokingham
- QuinetiQ - Rosyth
- Quinn Bros Group - Birmingham
- Quinn Ross Consultants Ltd. - Sittingbourne
- Quinn's Caravans & Mobile Homes - Dungannon
- Quinnell - Maldon
- Quintec Associates Ltd - Basingstoke
- Quinto Crane and Plant Ltd - Norwich
- Quinton Engineering - Nottingham
- Quinton Major Precision Ltd - Northampton
- Quma Systems Ltd. - Emsworth
- Quodeck Ltd - Leicester
- Quorum Logistic Support Ltd - Telford
- Qwikfast Ltd. - Dorchester
- Qx Components Ltd. - Manchester