A to Z of Telephone Area Codes: 01923

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Maple Cross Gardeners - Rickmansworth
Marconi Security Design Associates - Watford
Marigold Commercial Cleaning Co Ltd -
Marioff Ltd - Watford
Mark Lipman Associates Ltd - Watford
Market Street Dental Practice - Watford
Marketplace Group - Watford
Marshall Vizard - Watford
Martindale Electric Company - Watford
Matrix Sports LLP - Rickmansworth
Maxwell Stewart plc - Rickmansworth
Mcardle Building Services Ltd - St. Albans
MCSP - Watford
Md Houses Ltd - Whitby
MEADES ACCOUNTING Ltd - London
medcakes - Watford
Medtronic Ltd - Watford
Mercer & Hole Rickmansworth - Watford
Merchant Taylors' School - Northwood
Meridian Capital Ltd - Okehampton
Metro Commercial Printing Ltd - Watford
Metro Piazza (Ruislip) Ltd - London
Mike’s Way Driving School - Watford
Minicat Ltd - Northwood
Missenden Electrical Ltd - Buckingham

MJB Mailbox Solutions - Watford
Mohs Technical Services Ltd - London
Moneyhill Interiors Ltd - Hatfield
Monowa Ltd - Watford
Monster Phonics - Rickmansworth
Monster Play - Hemel Hempstead
Monton (Building Contracts) Ltd - Lydney
Moroccan Pure - Rickmansworth
Mortimers - Watford
Motorsolve - Kings Langley
Motorsolve Garage Services - Watford
Moving Herts - St. Albans
MTI - Watford
MTR Ltd - Bushey
Multi-Electronics - Watford
Multi-grind Services Ltd - Rickmansworth
Murdock Heating Services Ltd - Radlett
Musicademy Records Ltd - Rickmansworth
Mw-ocs Process Engineering Ltd - London
N.A.S. Electrical Ltd - St. Albans
N200 Ltd - Coventry
Neogene Paints Ltd - Watford
Netway Technology plc - Watford
Newman Safety Services Ltd - Rickmansworth
Nikky Promotions - Northwood

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