Trusted Chemistry. Proven Results. Built for Laundries.
Washing Systems, Inc. (WSI) is a Kao Corporation company delivering commercial laundry chemistry, data-driven systems, and hands-on service. Since 1981, we've partnered with laundries across North America to improve quality, lower costs, and drive sustainable operations.
What We Deliver
From healthcare and hospitality to food and industrial services, we're here to help laundries perform at their best—every day.
Performance Wash Chemistry
Advanced detergents, boosters, and specialty additives engineered for maximum soil removal and textile care.
Water & Energy Optimization
Technologies that reduce wash temperatures, shorten cycles, and enhance water reuse—lowering utility costs and environmental impact.
On-Site Technical Support
Field-based service teams that work directly with plant operators to optimize processes, improve throughput, and troubleshoot issues.
Automation & Compliance Systems
Solutions that simplify dosing, ensure safety, support regulatory compliance, and stabilize daily operations.
Industry-Leading Chemistry & Process Expertise
WSI's wash aisle chemistry is designed to deliver exceptional cleaning results while supporting operational efficiency.
From tackling difficult industrial soils to maintaining hygienically clean standards in healthcare, WSI's proprietary blends are proven across industries and tailored for a wide range of applications.
With nationwide coverage, WSI technical experts work side-by-side with plant teams to optimize formulas, manage system variables, and maintain consistent, high-quality results. This hands-on support ensures that laundries not only get the right products—but also the right guidance to use them effectively.
Sustainability isn't a trend
—it's our operating standard.
Leadership Committed to Innovation and Integrity
At WSI, strong leadership is at the core of everything we do. Our executive team brings decades of experience in commercial laundry, chemical innovation, engineering, and operations—guiding the company with a clear focus on safety, sustainability, and customer success.
OUR EXECUTIVE TEAM:
Justin Hanks
CEO
Chad Rosenthal
VP Field Operations
Bruce Duron
VP National Accounts
Cliff Dietrich
VP HR & Organizational Development
Katsu Hirashima
VP International Business
Bryon Ohmart
VP Research & Development
Mike Higgins
Controller
Wastewater & Environmental Solutions
As environmental regulations grow more complex, WSI leads the way in wastewater management. Our customized programs reduce chemical consumption, improve discharge quality, and support greater sustainability with lower costs.
WSI WASTEWATER SOLUTIONS HELP LAUNDRIES:
Minimize total suspended solids, fats, oils, and grease (FOG)
Stabilize pH and improve effluent consistency
Optimize chemical dosing and reduce overuse
Support DAF and clarifier system performance
Enable more effective water reuse strategies
Through smarter chemistry and data-driven optimization, WSI helps customers reduce environmental impact and maintain regulatory compliance—without sacrificing performance.
Tunnel Washer (CBW) Optimization Programs
Continuous Batch Washers are the backbone of high-volume laundry operations—and WSI offers the industry's most comprehensive chemistry programs to keep them running at peak performance.
WSI CBW OPTIMIZATION DELIVERS:
Proven 7-log disinfection for high-level microbial control
Full biofilm removal to restore water flow and system balance
Improved textile brightness and consistent wash quality
Reduced rewash rates through more uniform soil removal
Lower energy use via reduced wash temperatures
Minimized alkali and chemical consumption
Elimination of scale and mineral buildup
Restored tunnel performance without mechanical downtime
Extended equipment life and reduced maintenance costs
Stabilized performance across shifts and loads
Through smarter chemistry and data-driven optimization, WSI helps customers reduce environmental impact and maintain regulatory compliance—without sacrificing performance.
Safe, On-Site Delivery Support
WSI maintains a strict safety protocol to ensure all bulk chemical deliveries are managed with care. A WSI representative is present on-site for every delivery, assisting with the acceptance process and helping ensure that products are transferred safely and accurately.
Products ship directly to our customers, with WSI coordinating every step for a seamless and secure transfer.
Trusted by the industry
Awards, Certifications
& Memberships
Industry recognition that reflects WSI’s commitment to safer chemistry, sustainable innovation, product quality, and trusted partnership across the commercial laundry industry.
Explore Our Recognition
A Long-Term Partner in Your Success
WSI is more than a supplier—we're a dedicated partner invested in our customers' long-term success. Our mission is to help laundries overcome operational challenges, meet performance goals, and grow sustainably in a changing marketplace. With deep expertise, field-driven service, and a commitment to innovation, WSI continues to lead the industry in quality, efficiency, and reliability.
