| | Magni-Power Co (Wooster, OH) Manufactures permanent magnetic equipment: OEM industrial safety & recycling equipment | |
| | Marathon Carbonic (Wausau, WI) Distribution of gases & safety supplies | |
| | Matamatic Inc (New Stanton, PA) Manufactures electrical safety power switching & sensor equipment | |
| | Mechanical Safety Equipment (Philadelphia, PA) Underground safety & fall protection equipment | |
| | Mettam Safety Supply Co (Danville, IL) Distributes safety equipment; company is a wholesale distributor of safety equipment | |
| | Midaco Corp (Elk Grove Vlg, IL) Machine shop: pallet changers, custom built machinery, machinery parts & safety equipment | |
| | MSC Industrial Supply Co (Elkhart, IN) Distribute hand tools, cutting tools, & safety equipment | |
| | Nuclear Utility Products Inc (Crystal Lake, IL) Safety equipment & clothing | |
| | O'Herron, Ray Co Inc (Danville, IL) Distributes safety equipment; company is a wholesale distributor of law enforcement equipment & supplies for police departments | |
| | OKI Bering (Cincinnati, OH) Wholesales welding, safety & industrial supplies | |
| | Orr Safety Corp (Indianapolis, IN) Distribute safety equipment | |
| | Paratech & Co Inc (Frankfort, IL) Manufactures safety equipment & wholesale distributor of rescue & fire safety equipment bags & rescue equipment | |
| | Pendergast Safety Equipment Co (Philadelphia, PA) Industrial safety equipment | |
| | Postell Associates Inc (Roswell, GA) Distributors of racing safety equipment & catalog mail orders | |
| | Prosafety Inc (Elk Grove Vlg, IL) Distributors of safety equipment | |
