National Marker Company (NMC) – Industry-Leading Safety Signage & Identification

National Marker Company (NMC) is a trusted American manufacturer of OSHA compliant safety signs, labels, tags, pipe markers, and visual identification products that help workplaces maintain peak safety standards. For over eight decades, NMC has delivered innovative safety signage solutions engineered to communicate hazards, guide personnel, and support regulatory compliance across diverse industries. NMC’s extensive product portfolio includes high-visibility danger signs, bilingual safety labels, custom tags, floor markings, and other essential safety communication tools crafted to improve workplace awareness and reduce risk.

Reliable Products Built for Safety Compliance and Industrial Use

Designed for demanding environments, NMC’s industrial safety products are ideal for manufacturing facilities, construction sites, warehouses, healthcare, laboratories, and public spaces. From chemical hazard signs and PPE requirement labels to lockout/tagout safety tags, each product enhances hazard recognition and supports workplace safety programs. Many NMC products are fortified with the exclusive Sign Muscle™ coating — a durable liquid laminate that extends sign life by resisting UV exposure, graffiti, fading, and abrasion, making them suitable for both indoor and outdoor use.

Whether you need ready-to-use standard signs or fully custom safety identification solutions, National Marker Company’s offerings help organizations comply with safety regulations while clearly communicating hazards and operational instructions. NMC products deliver dependable visibility, longevity, and clarity, making them essential assets in industrial facilities, educational campuses, municipal environments, and anywhere safety communication matters.