Business Details
41 Years
experience
Emergency
services
Trusted Commercial Janitorial Services in Columbia, MD
C J Maintenance has been a trusted provider of commercial janitorial services since 1985, serving clients across the Mid-Atlantic and nationwide. As the first Green Seal GS-42 certified company on the East Coast, we combine environmental responsibility with operational excellence through our ISSA CIMS-GB certification with Honors. Our comprehensive offerings include green cleaning, controlled environment cleaning, floor maintenance, and facility management services tailored to diverse sectors including healthcare, education, government, and corporate facilities.With over 40 years of experience and a client base spanning 35+ million square feet, we maintain a relentless focus on quality through Total Quality Management principles and technology-driven oversight. Our trained workforce adheres to strict safety protocols while delivering measurable results that enhance indoor environments and support LEED certification goals. Headquartered in Columbia, Maryland, we operate from strategically located service hubs to ensure rapid response times and direct access to decision-makers.
Services
Janitorial Services
Floor Maintenance
Day Cleaning
Green Cleaning
Controlled Environment Cleaning
Building Maintenance
Facilities Management
Consulting Services
Electrostatic Spraying
Carpet Cleaning
Details
- Year established: 1985
Highlights and features
- We hold ISSA CIMS-GB certification with Honors for quality assurance
- We implement real-time quality control through digital inspection tools
- Our staff undergoes OSHA training and background checks
- We maintain 40+ years of continuous operation in the cleaning industry
- We offer responsive local management across Mid-Atlantic service hubs
Associations and certifications
- Green Seal GS-42
- ISSA CIMS-GB
Services
Janitorial Services
We provide comprehensive janitorial solutions for medical offices, commercial spaces, and government facilities. Our services maintain clean environments across 35+ million square feet daily. Certified staff follows strict protocols to ensure safety and compliance.
Green Cleaning
Our ISSA CIMS-GB certified program reduces environmental impact while maintaining hygiene standards. We use least-harmful methods that improve air quality and support LEED certification for commercial buildings.
Floor Maintenance
We offer complete floor care including VCT/ESD flooring maintenance, marble polishing, and concrete sealing. Specialized services include raised floor cleaning and zinc whisker remediation for data centers and laboratories.
Controlled Environment Cleaning
We clean data centers, laboratories, and cleanrooms with precision. Our certified technicians handle subfloor sealing and equipment cleaning while maintaining strict contamination control protocols.
Building Maintenance
Our maintenance services include lighting repairs, HVAC support, and building automation systems. We provide preventive maintenance programs to ensure operational continuity for commercial facilities.
People
James Choe
Founder
James Choe co-founded C J Maintenance in 1985 and led its growth from a sole proprietorship to a multi-million dollar enterprise serving clients nationwide.
Kristine Choe
Founder
Kristine Choe co-founded C J Maintenance in 1985 and helped establish the company's commitment to quality service and environmental responsibility through early green certifications.
Questions
What commercial cleaning services do you offer?
We provide janitorial services, floor maintenance, green cleaning, controlled environment cleaning, and building maintenance for healthcare, educational, government, and corporate facilities.
Are you certified for green cleaning?
Yes, we are the first Green Seal GS-42 certified company on the East Coast and maintain ISSA CIMS-GB certification with Honors.
Which areas do you service?
We serve the Mid-Atlantic region with offices in Maryland, Virginia, Pennsylvania, and Florida, providing services nationwide.
How do you ensure cleaning quality?
We use digital inspection tools, GPS tracking, and automated reporting systems combined with our Total Quality Management approach for consistent service quality.
Do you handle emergency cleaning requests?
Yes, we offer emergency service response and have local management teams available to address urgent cleaning needs promptly.
What industries do you serve?
We serve healthcare facilities, schools, airports, government buildings, data centers, and commercial offices with customized cleaning solutions.