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Trusted Signage, Lighting & Facility Services in Watertown, SD
Triangle Sign stands at the forefront of the facility services, signage, and lighting industry with over 135 years of combined experience. Our team of 560 dedicated professionals operates across 258,700 square feet of manufacturing space, delivering 12,000+ installations annually. We specialize in custom signage, interior and exterior lighting, and comprehensive project management, serving over 200 name-brand companies across 12,000 locations in North America and beyond. Our commitment to quality craftsmanship, state-of-the-art equipment, and real-time communication ensures every project achieves success. With headquarters in Watertown, SD, and Baltimore, MD, we provide tailored solutions for hospitality, retail, healthcare, and more.

Our reputation for excellence is built on honesty, trust, and a relentless pursuit of innovation. We invest in continuous training for our team to maintain industry leadership while offering unmatched customer service. From concept to completion, we handle every detail, including design, permitting, and installation, to deliver results that align perfectly with client needs. Our dedication to customer satisfaction is evident in every project, making us the single source for all imaging needs.
Services
Facility Services Signage Lighting Project Management Grocery Retail Healthcare Hospitality Automotive Convenience & Petroleum
Highlights and features
  • We have over 135 years of combined industry experience.
  • Our team consists of certified experts with extensive experience.
  • We provide 24/7 personalized customer support.
  • Our company is ISO 9001 certified.
  • We operate with full transparency and no hidden fees.
What people say
Captivating signage Responsive and accommodating Seamless communication Quality craftsmanship Dedicated to customer satisfaction
Services
Signage
Triangle Sign specializes in creating custom signage solutions that enhance brand visibility and attract customers. Our team handles design, approvals, permits, and installation, ensuring each sign meets exact specifications. With expertise in both digital and traditional signage, we serve hospitality, retail, and healthcare industries, guaranteeing quality and customer satisfaction.
Lighting
We provide comprehensive interior and exterior lighting products tailored to commercial needs. Our solutions focus on energy efficiency, durability, and aesthetic appeal. From design to installation, we ensure lighting systems enhance brand identity while meeting functional requirements for retail, hospitality, and corporate environments.
Project Management
Our dedicated project management team oversees every phase from concept to completion. We coordinate design, production, permitting, and installation with a network of trusted partners. This streamlined approach ensures timely delivery, budget adherence, and seamless communication for clients across diverse industries.
Facility Services
We offer comprehensive facility services including repairs, renovations, and retrofits to maintain property aesthetics. Our team addresses both routine maintenance and urgent issues, ensuring commercial spaces remain functional and visually appealing. Services are tailored for retail, healthcare, and hospitality sectors.
Questions
What services does Persona Triangle offer?
We provide custom signage, interior and exterior lighting, facility services, and comprehensive project management. Our solutions cater to hospitality, retail, healthcare, and corporate clients.
Do you handle both large and small projects?
Yes, we serve both large national brands and small local businesses, offering tailored solutions for projects of all sizes.
How do you ensure project quality?
Our team uses state-of-the-art equipment and follows rigorous quality control processes. We also provide real-time updates and dedicated project management for every client.
What industries do you work with?
We serve hospitality, retail, healthcare, corporate complexes, sporting venues, educational institutions, and convenience/petroleum stations.