- Milnot1
- Minnesota Valley Canning Company1
- Minute Tapioca Co.1
- Minute Tapioca Co., Inc., Orange, Massachesetts
General Foods1
- Minute Tapioca Co., Inc., Orange, Massachusetts1
- Minute Tapioca Co., Inc., Orange, Massachusetts, General Foods1
- Mirro-Matic1
- Modern Electric1
- Monarch1
- Monarch Electric, Malleable Iron Range Company1
- Morell Ham1
- Mouli Manufacturing Corp.1
- Nabisco1
- National Aluminum Manufacturing Co.1
- National Cranberry Association1
- National Live Stock and Meat Board Department of Meat Merchandising, Home Economics and Nutrition1
- National Presto1
- Nestle1
- New England Fresh Egg Institute1
- Niagara Litho Co., Buffalo1