Commercial Cleaning Excellence Since 1990
QUALITY IS JOB #1
Trusted by Universal Studios, Disney, and industry leaders across California, Nevada, and Arizona. From kitchen exhaust systems to solar panel maintenance, we deliver enterprise-level commercial cleaning services with unmatched attention to detail and safety.






About SDI
Why Choose SDI for Your Commercial Cleaning Needs?
For over three decades, SDI (Shannon Diversified Inc.) has been the trusted choice for commercial property managers, facility directors, and operations teams who demand excellence. Since 1990, we’ve grown from a local operation to the leading commercial cleaning provider across California, Nevada, and Arizona.
What Sets Us Apart:

Proven Track Record
35+ years serving major brands and commercial properties

Enterprise Scale
30+ trained technicians and full office support staff

Advanced Safety Protocols
Comprehensive training and $10M insurance coverage

Unmatched Reliability
24/7 emergency response and dedicated account management

Quality Guarantee
Every job backed by our satisfaction commitment

Our Services
At SDI, we deliver a comprehensive suite of cleaning solutions tailored to elevate your commercial spaces. From immaculate kitchen interiors to pristine building exteriors, we ensure your property not only meets compliance standards but also leaves a lasting impression on clients and visitors alike.
Meet Our Passionate Team
Fixera offers full range of handyman & cleaning services for household and industrial level. analysis business consultation ways.
Major Brands that Trust SDI’s Service Capabilities





PARTNERING TO DRIVE CLEANING TO YOUR SPACE
In partnership with some of the world’s largest utilities and energy producers, we’re helping to drive digitization. Model entire networks to help power utilities reduce costs.
What Customers Say About Us

Client Testimonials
Jessica Esparza
Austin

Danny Quiroz
Director of Operations
800-794-2345
10251 Trademark Street Suite B Rancho Cucamonga, CA 91730