By customer
- Mac Guff Ligne
- MACH International
- Macronix International Co., Ltd.
- macys.com
- Maddocks Systems Inc.
- Madison County Sheriff's Department
- Magasin du Nord
- Magnezit
- Maharashtra State Electricity Transmission Company Limited
- Mahesh Sahakari Bank Ltd., Pune
- MAIER
- Main Line Health
- Mainline
- Mainova AG
- Major Asian Life Insurance Company
- Major EuropeanTelecommunications Company
- Major fashion retailer
- Major Financial Services Company
- Major Grocer
- Major Insurer
- Major International Telecommunications Company
- Major Leading Financial Services Firm in China
- Major Oil and Gas Producer
- Major Wall Street firm
- Manatee County School District
- Manitoba Agriculture, Food and Rural Initiatives (MAFRI)
- Mannheimer
- Manpower
- MAQUET GmbH & Co. KG
- Marienhospital Stuttgart
- Marist College
- Market6 Inc.
- MarketCast
- Marketec Targeted Solutions
- Market research software provider
- Marsh
- Martin's Point Health Care
- Marwell Wildlife
- Maschinenfabrik Reinhausen
- Mattress Retailer
- MAVIR
- Max Sibbern
- Mayflex
- Mayo Clinic
- MBDA Missile Systems
- McCormick and Schmick’s Restaurants
- McCormick & Company Inc.
- McGregor Industries
- McKesson Corporation
- McLEOD RUSSEL INDIA LIMITED
- MCS (Mortgage Contracting Services)
- MDS Pharma Services
- MEAG
- ME Bank
- Mecklenburg-Vorpommern State Police
- MedeAnalytics
- Media Innovation Group (MIG)
- MediaMath
- Medical device company
- Medical solutions company
- Medius AB
- Medway Youth Trust
- Meka Pro Oy
- Melbourne Health
- Melbourne IT
- Meltin’ Pot
- Memorial Health System
- Memphis Police Department
- Mentoring Minds
- Merck Sharp & Dohme
- Mercury Medical
- Meritage Homes Corporation
- Merkle
- Merlin Entertainments
- Mestek
