- Marlborough Fund Managers Ltd.
- Marlborough Investment Consultants Limited
- Marlin Partners Uk Ltd.
- Marquette Partners (uk) Ltd.
- Mars Asset Management Limited
- Marsden Building Society Financial Department
- Marshall Securities Limited
- Marshall Wace Llp
- Martin Currie Global Investors Ltd
- Martin Currie Inc
- Martin Currie Investment Management Limited
- Martin Currie Private Clients Ltd
- Martin Currie Unit Trusts Limited
- Martin Lovick Trading Ltd
- Marusan Europe Limited
- Mast Global Limited
- Mastmann Wells Ltd
- Mathercourt Securities Ltd
- Matheson Investment Ltd
- Matrix Alternative Asset Management Llp
- Matrix Cc Limited
- Matrix Money Management Limited
- Matrix-securities Limited
- Matterley Limited
- Matthew R Palmer
- Maunby Investment Management Ltd
- Maxcap Partners Llp
- Maxis Securities Limited
- Mayflower Management Company Ltd
- Mbna Europe Bank Ltd
- Mbna International Bank Limited
- Mbo Advisory Partners
- Mc Capital Europe Advisors Limited
- Mc Securities Limited
- Mc Securities Ltd
- Mc-bbl Securities Ltd
- Mcap Global Finance Limited
- Mccabe Van Der Woude Partnership, The
- Mccall Aitken Mckenzie And Co
- Mcdonald Investments Inc
- Mchattie Investment Management Limited
- Mcinroy And Wood Limited
- Mcintosh And Company Limited
- Mckinsey Investment Office (europe) Ltd
- Mco Limited
- Mdt (corporate) Limited
- Mecm Limited
- Medici Capital Management Ltd
- Meditor Capital Management Limited
- Meiji Yasuda Europe Limited
- Meinrad Investments Inc
- Mellon Fund Administration Ltd
- Mellon Fund Managers Limited
- Mellon Global Investments Ltd
- Mellon Trust Of New England (uk) Limited
- Melton Mowbray Building Society
- Mercantile Securities (scotland) Limited
- Mercer Limited
- Merchant Securities Group Limited
- Merchantbridge And Co. Ltd.
- Mercuria Energy Limited
- Mercury Fund Managers Ltd.
- Meritum Securities Plc
- Merrill Lynch Commodities (europe)
- Merrill Lynch Fund Managers Ltd
- Merrill Lynch Gilts (mlg.) Limited
- Merrill Lynch Intl.
- Merrill Lynch Limited
- Merrill Lynch,pierce,fenner And Smith(brokers And Dealers)
- Merrillynch Capital Markets Plc
- Merrillynch Gilts Ltd
- Merrillynch International
- Merton Securities Ltd
- Mesirow Europe Ltd.
- Messrs Hoare Trustees
- Met Capital Management Llp
- Metalco Oil Finance Llp
- Metdist Trading Ltd
- Method Investments And Advisory Ltd
- Methodology Asset Management .
- Methuselah Life Markets Limited
- Metropolis Capital
- Metzler Uk Limited
- Mezzanine Management Uk Limited
- Mf Global Securities Limited
- Mfc Global Fund Management (europe) Limited
- Mfc Global Investment Management (europe) Limited
- Mfc Global Investment Management (europe) Ltd
- Mfs International (u.k.) Limited
- Mgm Unit Managers Ltd
- Mhf Futures Limited
- Mica Creek Capital Advisors Ltd
- Michael Laurie Securities Ltd
- Midas Investment Management Ltd
- Middlebury Capital Partners (uk) Ltd
- Middlefield International Limited
- Midhurst Asset Management Ltd.
- Midtown Investments Limited
- Midven Limited
- Midven Ltd
- Milestone Capital Services Limited
- Milkstone Limited
- Millbank Investment Managers Limited
- Millennium Global Investments Limited
- Miller And Co Investment Management Ltd
- Milton Mortimer And Co.
- Minerva Capital Management Ltd
- Minster Court Asset Management (uk) Limited
- Minster Trust Limited
- Mint Equities Limited
- Mirabaud Investment Managment Ltd
- Mirabaud Unit Trust Managers Ltd
- Misys Intl Banking Systems Ltd
- Mito Europe Limited
- Mito Securities Company Limited
- Miton Asset Management Limited
- Mitsubishi Corporation (uk) Plc
- Mitsubishi Ufj Baillie Gifford Asset Management Limited
- Mitsui Bussan Commodities Limited
- Mitubishi Ufj Securities International Plc
- Mizuho Capital Markets (uk) Ltd
- Mlc Trust Management Company Limited
- Mm And K Limited
- Mm Securities Limited
- Mmc International Treasury Centre Limited
- Mmc Ventures Limited
- Mmd Corporate Finance Limited
- Mnopf Trustees Ltd
- Mnpa Limited
- Modal Capital Partners Limited
- Monarch Private Investment Ltd
- Mondo Trading Company
- Moneybookers Ltd
- Moneyswap Ltd
- Moneytt International Ltd
- Montanaro And Company Limited
- Montanaro Investment Managers Limited
- Montpelier Asset Management Limited
- Montpelier Investment Management Llp
- Monument Asset Management Limited
- Monument Derivatives Ltd
- Monument Securities Limited
- Moody's Investor Service Ltd.
- Morant Wright Management Limited
- Morgan Grenfell Asia Securities (uk) Limited
- Morgan Grenfell Investment
- Morgan Grenfell Trade Finance Limited
- Morgan Stanley Capital Group Limited
- Morgan Stanley Trust Company
- Morgan Stanley Uk Group
- Morgan West Limited
- Morris J L
- Moseley Capital Markets Limited (france)
- Mpe Discretionary Management Partnership, The
- Mpfs Unit Trust Management Limited
- Mrbs Capital Partners Ltd
- Msd Capital (europe) Llp
- Mt Fund Management Limited
- Mti Partners Limited
- Mts Research Limited
- Muirfield Finance And Real Estate Limited
- Muirplace Securities Limited
- Mulvaney Capital Management Limited
- Munich London Investment Management Ltd
- Murray Johnstone International Limited
- Murray Johnstone Limited
- Murray Johnstone Private Investors Ltd
- Murray Johnstone Unit Trust Management Limited
- Muse Capital Llp
- Mutant Technology Limited
- Muzinich And Co Ltd
- Mvm Bank Ltd
- Mvm Limited
- N AND P UTM
- N M ROTHSCHILD EUROPE PARTNERSHIP
- N W Brown Corporate Finance Limited
- N W Lines Associates
- N+1 BREWIN LLP
- N.M. ROTHSCHILD AND SONS LIMITED
- NAB EUROPE LTD
- NABARRO WELLS AND CO. LIMITED
- NACIONAL FINANCIERA SNC
- NATIONAL AUSTRALIA BANK LIMITED
- NATIONAL AUSTRALIA TRUST MANAGEMENT COMPANY
- NATIONAL BANK OF ABU DHABI
- NATIONAL BANK OF CANADA
- NATIONAL BANK OF EGYPT (UK) LIMITED
- NATIONAL BANK OF GREECE S.A.
- NATIONAL BANK OF KUWAIT (INTERNATIONAL) PLC
- NATIONAL COUNTIES BUILDING SOCIETY
- NATIONAL GRID PLC
- NATIONAL MERCHANT BANK HOUSE PLC
- NATIONAL SECURITIES OF JAPAN (EUROP E) LTD
- NATIONAL WESTMINSTER BANK PLC
- NATIONSBANC CAPITAL MARKETS INTERNATIONAL LTD
- NATIONWIDE
- NATIONWIDE ANGLIA BUILDING SOCIETY
- NATIONWIDE BUILDING SOCIETY
- NATIONWIDE UNIT TRUST MANAGERS LIMITED
- NATIXIS (FORMERLY NATEXIS BANQUES POPULAIRES)
- NATWEST FUTURES
- NATWEST GILTS LIMITED
- NATWEST INVESTMENT MANAGEMENT
- NATWEST SECURITIES (STOCK BORROWING AND LENDING INTERMEDIARY) LTD.
- NATWEST SECURITIES HONG KONG LIMITED
- NATWEST STOCKBROKERS LIMITED
- NATWEST WOOD MACKENZIE AND CO LTD.
- NAVA S.C. SECURITIES FAR EAST LTD
- NBC FINANCIAL (UK) LIMITED
- NBF SECURITIES UK
- NBG INTERNATIONAL LIMITED
- NBGI EQUITIES
- NBK INVESTMENT MANAGEMENT LIMITED
- NCB CORPORATE FINANCE LIMITED
- NCL 123 LIMITED
- NCL INVESTMENTS LIMITED
- NEDBANK LTD
- NEILSON MANAGEMENT LIMITED
- NEMADI ADVISORS LIMITED
- NEMESIS ASSET MANAGEMENT
- NEPTUNE INVESTMENT MANAGEMENT
- NEPTUNE INVESTMENT MANAGEMENT LIMITED
- NESTLE CAPITAL MANAGEMENT LTD
- NESTLE UK LTD
- NESTLE UK PENSION TRUST LTD.
- NETELLER
- NEVILE MERRIAM INVESTMENT MANAGEMENT LTD
- NEVSKY CAPITAL LLP
- NEW BRIDGE STREET CONSULTANTS
- NEW FLAG ASSET MANAGEMENT LTD
- NEW JAPAN SECURITIES EUROPE LTD.
- NEW NIGERIA BANK PLC
- NEW STAR INVESTMENT FUNDS LIMITED
- NEW STREET ASSET MANAGEMENT LIMITED
- NEWBRIDGE INTERNATIONAL LTD
- NEWBURY BUILDING SOCIETY
- NEWCASTLE BUILDING SOCIETY
- NEWCHURCH AND COMPANY LIMITED
- NEWEDGE UK FINANCIAL LIMITED
- NEWFINANCE CAPITAL PARTNERS LIMITED
- NEWGATE TWO LIMITED
- NEWMAN RAGAZZI AND COMPANY LIMITED
- NEWPEAK CAPITAL LLP
- NEWPORT FUND MANAGERS
- NEWSMITH ASSET MANAGEMENT LLP
- NEWTON CAPITAL MANAGEMENT LIMITED
- NEWTON FUND MANAGERS LTD
- NEWTON INVESTMENT MANAGEMENT LTD.
- NEXUS CORPORATE FINANCE LIMITED
- NFU MUTUAL INVESTMENT SERVICES LTD
- NFU MUTUAL UNIT MANAGERS LTD
- NICHOLAS BERWIN AND CO LIMITED
- NICHOLSON BARBER AND CO.
- NICK ENGLAND TRADING LTD
- NICO TRADING (UK) LTD
- NIGEL JOHN RUSSELL
- NIKKO ASSET MANAGEMENT EUROPE LTD
- NIKKO CAPITAL MANAGEMENT (UK) LIMITED
- NIKKO GILTS (NOMG) LTD.
- NIKKO GILTS LTD.
- NIKKO GLOBAL ASSET MANAGEMENT (UK) LTD
- NIKKO PRINCIPAL INVESTMENTS LIMITED
- NILS TAUBE INVESTMENTS LIMITED
- NINECASTLE OVERSEAS LIMITED
- NIPPON CREDIT INTERNATIONAL LTD.
- NITO UK ASSET MANAGEMENT LIMITED
- NLI INVESTMENTS EUROPE LIMITED
- NOBLE AND CO LIMITED
- NOBLE AND COMPANY
- NOBLE ASSET MANAGERS LTD
- NOBLE CAPITAL LIMITED
- NOBLE CLEAN FUELS LIMITED
- NOBLE GROSSART LIMITED
- NOMOS CAPITAL PARTNERS LIMITED
- NOMURA ASSET MANAGEMENT UK LIMITED
- NOMURA BANK INTERNATIONAL PLC
- NOMURA CAPITAL MARKETS PLC
- NOMURA CODE SECURITIES LIMITED
- NOMURA ENERGY MARKETING LTD
- NOMURA INTERNATIONAL PLC
- NORDDEUTSCHE LANDESBANK GIROZENTRALE
- NORDEA BANK FINLAND PLC LONDON BRANCH
- NORINCHUKIN INTERNATIONAL PLC
- NORMAN FERGUSON PARTNERSHIP
- NORTH SQUARE BLUE OAK LIMITED
- NORTH SQUARE CAPITAL LLP
- NORTHERN ADMINISTRATION LIMITED
- NORTHERN BANK (PART OF DANSKE BANK GROUP)
- NORTHERN BANK EXECUTOR AND TRUSTEE COMPANY LIMITED
- NORTHERN ENTERPRISE LTD
- NORTHERN ROCK (ASSET MANAGEMENT) PLC
- NORTHERN ROCK BUILDING SOCIETY
- NORTHERN ROCK PLC
- NORTHERN ROCK PLC.
- NORTHERN TRUST COMPANY, THE
- NORTHERN TRUST GLOBAL ADVISORS LIMITED
- NORTHERN TRUST GLOBAL INVESTMENTS LIMITED
- NORTHERN TRUST GLOBAL SERVICES LIMITED
- NORTHERN VENTURE MANAGEMENT LIMITED
- NORTHLAND CAPITAL PARTNERS LIMITED MARKET MAKING