60+ Years of Building Service
Excellence across Illinois
For over 60 years, R.D. McMillen BSC has delivered dependable, high-quality building services to commercial and industrial facilities. Founded in 1964, our company has built a reputation for consistency, integrity, and attention to detail across every space we service.
Today, as a women-owned business, we proudly continue that legacy—combining decades of experience with modern cleaning solutions, advanced equipment, and highly trained professionals.
From daily commercial cleaning to complex industrial and specialty services, we are committed to creating safe, clean, and well-maintained environments that support your business operations.
Reliable. Experienced. Proven since 1964.
Licensed & Insured
60+ Years of Industry Experience
Serving Illinois Statewide
Comprehensive Facility Service Solutions
We provide comprehensive office and commercial cleaning services that keep workspaces and facilities clean, professional, and running smoothly with solutions tailored to your needs.
Office & Commercial
Cleaning
Industrial cleaning services designed for demanding environments, ensuring safe, efficient operations across warehouses, manufacturing, and production facilities.
Industrial
Cleaning
Specialized healthcare cleaning services that focus on infection control and compliance, creating safe and hygienic environments for patients, staff, and visitors.
Healthcare Cleaning
We offer specialized cleaning solutions designed to restore, protect, and enhance your facility with targeted services for a variety of surfaces and needs.
Specialized Cleaning Solutions
Customized Cleaning Programs
Responsive Management Oversight
Scalable Statewide Coverage
Structured Quality Inspections
Trained & Background-Checked Staff
OSHA-Aligned Procedures
A Legacy of Dependable Performance