County Index - Midlothian
- 1AB Ltd - Midlothian - Edinburgh
- 2-T Joiners - Midlothian - Edinburgh
- 20/20 Productions Europe Ltd. - Midlothian - Edinburgh
- 21ST Century Kilts - Midlothian - Edinburgh
- 2h (Architects) Ltd - Midlothian - Edinburgh
- 3049 Ltd - Midlothian - Edinburgh
- 442 Design Ltd. - Midlothian - Edinburgh
- 4CONSULTING Ltd. - Midlothian - Edinburgh
- 5quidhost Ltd - Midlothian - Edinburgh
- 7n Architects Llp - Midlothian - Edinburgh
- 999locksmiths.Com - Midlothian - Dalkeith
- A & A Cowan - Midlothian - Penicuik
- A & D Building Services Ltd. - Midlothian - Edinburgh
- A & I Green - Midlothian - Edinburgh
- A & J Robertson (Granite) (Edinburgh) - Midlothian - Edinburgh
- A & P Stores - Midlothian - Edinburgh
- A & R Martin Ltd. - Midlothian - Loanhead
- A & S Spence - Midlothian - Edinburgh
- A Adamson & Co - Midlothian - Edinburgh
- A Allison Y & Son - Midlothian - Edinburgh
- A and J burridge - Midlothian - Edinburgh
- A and R Hepburn (Engineering) Ltd - Midlothian - Dalkeith
- A B Welding & Fabrication - Midlothian - Edinburgh
- A C Jardine - Midlothian - Edinburgh
- A Change of A Dress - Midlothian - Edinburgh
- A D Bell - Midlothian - Edinburgh
- A G Macdougall - Midlothian - Edinburgh
- A I M Computers - Midlothian - Edinburgh
- A I Walgate & Son - Midlothian - Heriot
- A Inglis & Son (Loanhead) - Midlothian - Loanhead
- A J H Technology - Midlothian - Edinburgh
- A J Milne Cabinet Maker - Midlothian - Edinburgh
- A J P Projects Ltd. - Midlothian - Edinburgh
- A J Robertson Granite (Dalkeith) - Midlothian - Dalkeith
- A L F Insulation Services Ltd. - Midlothian - Edinburgh
- A M Dagg (Plant Hire) Ltd. - Midlothian - Dalkeith
- A M H Translations - Midlothian - Newbridge
- A M Phillips - Midlothian - Loanhead
- A Patrizio - Midlothian - Edinburgh
- A R Carlyle - Midlothian - Bonnyrigg
- A T R Travel - Midlothian - Bonnyrigg
- A Thomson - Midlothian - Edinburgh
- A V Comms (Scotland) Ltd - Midlothian - Penicuik
- A+j Burridge - Midlothian - Edinburgh
- A+M Imaging Services - Midlothian - Edinburgh
- A. Marston Ltd - Midlothian - Edinburgh
- A.M.Gillies Ltd - Midlothian - Musselburgh
- A1 Pets - Midlothian - Edinburgh
- A1-Lockman Security - Midlothian - Edinburgh
- A2b Limousine - Midlothian - Edinburgh
- A449 Ltd - Midlothian - Edinburgh
- Aairecool Technical Services Ltd. - Midlothian - Penicuik
- Aaron Locks - Midlothian - Penicuik
- Ab Construction (Scotland) Ltd - Midlothian - Edinburgh
- Abacus (Caledonia) Ltd. - Midlothian - Penicuik
- Abbeyhill Electrical Services Ltd - Midlothian - Edinburgh
- Abel & Co. (Scotland) Ltd - Midlothian - Edinburgh
- Abel Internet - Midlothian - Edinburgh
- Abercon Memorial Services - Midlothian - Edinburgh
- Accha - Midlothian - Edinburgh
- Accountemps - Midlothian - Edinburgh
- Ace Auto Salvage - Midlothian - Loanhead
- Acme Design - Midlothian - Edinburgh
- Action Gas & Fast Plumbing - Midlothian - Edinburgh
- Activity Awards - Midlothian - Edinburgh
- Adam Dudley Architects Ltd - Midlothian - Edinburgh
- Adam Smith Ltd - Midlothian - Lasswade
- Adamantean Ltd - Midlothian - Edinburgh
- Adamson Violins - Midlothian - Edinburgh
- Adelard - Midlothian - Edinburgh
- Adf - Midlothian - Edinburgh
- Admiral Events Ltd - Midlothian - Edinburgh
- Adolos - Midlothian - Edinburgh
- Advanced Fire & Security - Midlothian - Edinburgh
- Advanced MP3 Players - Midlothian - Edinburgh
- Aerospace Machining Technology Ltd. - Midlothian - Edinburgh
- Afiki Designs - Midlothian - Edinburgh
- Afton Kitchens & Flooring - Midlothian - Edinburgh
- Aiden Breen - Midlothian - Edinburgh
- Aim Centre Ltd - Midlothian - Edinburgh
- Aimentor Associates - Midlothian - Edinburgh
- Air Accessories (Scotland) - Midlothian - Edinburgh
- Air Contractors Engineering Ltd - Midlothian - Edinburgh
- Aircare Ventilation Engineers - Midlothian - Dalkeith
- Aircraft Medical Ltd - Midlothian - Edinburgh
- Aird Consulting Engineers Ltd. - Midlothian - Edinburgh
- Ajx Technologies Ltd - Midlothian - Edinburgh
- Aka Books Co-Operative Ltd - Midlothian - Edinburgh
- Akzo Nobel Decorative Coatings Ltd. - Midlothian - Edinburgh
- Alan A Haxton Frics - Midlothian - Edinburgh
- Alan Hardie Architect - Midlothian - Dalkeith
- Alan Jollie Associates - Midlothian - Edinburgh
- Alan Ramsay - Midlothian - Edinburgh
- Alastair McIntosh Management Services Ltd. - Midlothian - Edinburgh
- Alastair Millar - Midlothian - Edinburgh
- Alastair Souter - Midlothian - Edinburgh
- Alba Exports Ltd - Midlothian - Edinburgh
- Alba Science Ltd - Midlothian - Edinburgh
- Albatern Ltd - Midlothian - Roslin
- Alex Brewster & Sons - Midlothian - Kirknewton
- Alex Campbell Ltd - Midlothian - Edinburgh
- Alex Hastie & Co. - Midlothian - Musselburgh
- Alexanders Blacksmith - Midlothian - Edinburgh
- Algotronix Ltd - Midlothian - Edinburgh
- Alison Will Ltd - Midlothian - Edinburgh
- All About Baths - Midlothian - Edinburgh
- All Fired Up Ltd - Midlothian - Edinburgh
- Allan Bruce Chartered Architect - Midlothian - Edinburgh
- Allan Cumming Associates - Midlothian - Edinburgh
- Allan Landscapes - Midlothian - Edinburgh
- Allan Munro Skip Hire - Midlothian - Loanhead
- Allander Litho - Midlothian - Edinburgh
- Allander the Printer - Midlothian - Edinburgh
- Allegis Group Ltd. - Midlothian - Edinburgh
- Alpha Office Equipment - Midlothian - Edinburgh
- Am Financial Recruitment Ltd. - Midlothian - Edinburgh
- Amber Arts Ltd - Midlothian - Edinburgh
- Amberfly - Midlothian - Edinburgh
- American Golf Discount Centre Ltd (Edinburgh) - Midlothian - Edinburgh
- Amg - Midlothian - Gorebridge
- Amir & Sons - Midlothian - Edinburgh
- Amoil Supplies Ltd (Edinburgh) - Midlothian - Edinburgh
- An Avel Braz Ltd - Midlothian - Edinburgh
- Analytical & Scientific Services (Edinburgh) - Midlothian - Edinburgh
- Anarkik3d Ltd - Midlothian - Edinburgh
- Anatom Ltd - Midlothian - Edinburgh
- Andell Studios Ltd - Midlothian - Edinburgh
- Anderson & Fortune - Midlothian - Edinburgh
- Anderson International Ltd. - Midlothian - Edinburgh
- Andrew Dobson Ltd - Midlothian - Dalkeith
- Andrew Gr Turner Ltd - Midlothian - Edinburgh
- Andrew J Wilson Publishing Services - Midlothian - Edinburgh
- Andrew May Wind Instrument Repair - Midlothian - Edinburgh
- Andrew Queen - Midlothian - Edinburgh
- Andrew Thomas Builders Ltd. - Midlothian - Musselburgh
- Andrew Turner Llp - Midlothian - Penicuik
- Andy Grant Ltd. - Midlothian - Edinburgh
- Angels - Midlothian - Edinburgh
- Angle Park Auto Prep Ltd - Midlothian - Edinburgh
- Angles - Midlothian - Edinburgh
- Angus Energy Ltd - Midlothian - Edinburgh
- Ann Wrightframing - Midlothian - Edinburgh
- Annie Smith - Midlothian - Edinburgh
- Anta Architecture - Midlothian - Edinburgh
- Antar Ltd. - Midlothian - Edinburgh
- Anthony Keenan Internet Services - Midlothian - Edinburgh
- Anthony L Dykes - Midlothian - Edinburgh
- Anything Goes (Embroidery) Ltd. - Midlothian - Edinburgh
- Aok Pat Labels - Midlothian - Edinburgh
- Apex Metrology Ltd - Midlothian - Bonnyrigg
- Apex Property Care Ltd. - Midlothian - Edinburgh
- Apex Signs Scotland Ltd. - Midlothian - Edinburgh
- Applied Engineering Design - Midlothian - Edinburgh
- Aquafire Systems - Midlothian - Loanhead
- Aquaid Lothian - Midlothian - Loanhead
- Arboretum Village Property Co (Groathill) Ltd - Midlothian - Edinburgh
- Arc Colour Print Ltd. - Midlothian - Edinburgh
- Arcas Computing Ltd. - Midlothian - Edinburgh
- Archaeology Scotland - Midlothian - Musselburgh
- Archial Architects (Edinburgh) - Midlothian - Edinburgh
- Architectural & Management Services Ltd - Midlothian - Edinburgh
- Architecture & Partners Llp - Midlothian - Edinburgh
- Ardana Plc - Midlothian - Edinburgh
- Argento - Midlothian - Edinburgh
- Army Navy & Airforce Career Service (Edinburgh) - Midlothian - Edinburgh
- Arnold Seftor & Son - Midlothian - Edinburgh
- Art Bandit Ltd - Midlothian - Edinburgh
- Artemis Intelligent Power Ltd - Midlothian - Loanhead
- Artful Fundraising Ltd - Midlothian - Edinburgh
- Artisan Gifts - Midlothian - Edinburgh
- As-Ad Software Ltd - Midlothian - Edinburgh
- Asa International - Midlothian - Edinburgh
- Asa Ladywell Coaches - Midlothian - Edinburgh
- Asap Locksmith - Midlothian - Edinburgh
- Asd Metal Services (Edinburgh) - Midlothian - Edinburgh
- Ashclan Ltd - Midlothian - Edinburgh
- Asperto.Net - Midlothian - Edinburgh
- Assadour Pilibossian - Midlothian - Edinburgh
- Assured Upholstery Ltd - Midlothian - Musselburgh
- Atholl Press - Midlothian - Edinburgh
- Atlantic Sea Fish - Midlothian - Musselburgh
- Atlas Diving & Marine Services Ltd. - Midlothian - Edinburgh
- Atlas Marine Contractors Ltd. - Midlothian - Edinburgh
- Atmos Consultancy (Edinburgh) - Midlothian - Edinburgh
- Atmos Consulting Ltd - Midlothian - Edinburgh
- Atomic 3g Ltd - Midlothian - Edinburgh
- Au Gourmand Ltd - Midlothian - Edinburgh
- Auchencarroch Energy Ltd. - Midlothian - Edinburgh
- Audio Light Systems Ltd - Midlothian - Edinburgh
- Automotive Automatics - Midlothian - Edinburgh
- AV Comms (Scotland) Ltd - Midlothian - Penicuik
- Available Systems Ltd - Midlothian - Edinburgh
- Avanade - Midlothian - Edinburgh
- Avantgarde Chauffeur Drive Ltd - Midlothian - Edinburgh
- Aviagen Ltd. - Midlothian - Newbridge
- Avrio Ltd. - Midlothian - Edinburgh
- Axios Systems Plc - Midlothian - Edinburgh
- Axzona Ltd - Midlothian - Edinburgh
- Azolve Ltd. - Midlothian - Roslin
- B & D Joiners - Midlothian - Edinburgh
- B & D Roofing & Building - Midlothian - Dalkeith
- B & P Scaffolding Ltd - Midlothian - Edinburgh
- B & S Contracts Llp - Midlothian - Dalkeith
- B D G McColl Ltd - Midlothian - Edinburgh
- B M Factors Eastern Industry (Edinburgh) - Midlothian - Edinburgh
- B M G Office Equipment - Midlothian - Edinburgh
- B:spoke - Midlothian - Edinburgh
- Badenoch & Clark Ltd. - Midlothian - Edinburgh
- Bae Systems Plc - Midlothian - Edinburgh
- Bagpipes Galore - Midlothian - Edinburgh
- Baikie & Co - Midlothian - Edinburgh
- Baillie Estates Ltd. - Midlothian - Edinburgh
- Bakscad Ltd. - Midlothian - Dalkeith
- Balfour Beatty Construction Ltd. - Midlothian - Edinburgh
- Balloons Are Taking Off Ltd. - Midlothian - Edinburgh
- Barbara Clunas - Midlothian - Penicuik
- Barbour's Wedding Supplies - Midlothian - Edinburgh
- Bargain Spot - Midlothian - Edinburgh
- Barking Mad - Midlothian - Penicuik
- Barnton Chauffeur Drive - Midlothian - Edinburgh
- Barraney Consulting Group - Midlothian - Edinburgh
- Barrie & Hibbert Ltd - Midlothian - Edinburgh
- Bass Rock Garage Doors Ltd - Midlothian - Edinburgh
- Bathgate & Co. (Cork) Ltd. - Midlothian - Edinburgh
- Bathgate Brothers(Marine)ltd - Midlothian - Edinburgh
- Bathing Mobility Advisory Service Ltd - Midlothian - Edinburgh
- Baxter Johnston Oils - Midlothian - Dalkeith
- Be Seated - Midlothian - Edinburgh
- Be Seated - Midlothian - Edinburgh
- Bead Scaffolding - Midlothian - Edinburgh
- Beatsons Building Supplies Ltd (Penicuik) - Midlothian - Penicuik
- Beaufort Property Company Ltd - Midlothian - Edinburgh
- Beauty Studio Salon and Recruitment Ltd, The - Midlothian - Edinburgh
- Beechwood Communications Ltd - Midlothian - Edinburgh
- Bell Donaldson Steele - Midlothian - Edinburgh
- Below Zero Hosting Ltd - Midlothian - Edinburgh
- Belsco 1012 Ltd - Midlothian - Edinburgh
- Ben Dawson Furniture - Midlothian - Musselburgh
- Bensons for Beds (Edinburgh) - Midlothian - Edinburgh