About Us
CJ Maintenance, Inc. is a privately held corporation that provides commercial cleaning services throughout the Mid-Atlantic and many areas across the United States.
We provide services to office buildings, warehouses, airports, stadiums, schools, universities, medical facilities, government facilities, labs, and data centers, just to name a few.
As the first Green Seal (GS-42) certified company on the East Coast, we specialize in high-performance "Least Harmful" cleaning. Our services include green cleaning, controlled environment cleaning, porter services, light maintenance, and all types of floor care.
We are also CIMS-GB Certified with Honors, showing our commitment to providing the best customer experience and industry expertise.
We are actively involved in the industry and believe in being a good corporate citizen by giving back to the community.
We provide services to office buildings, warehouses, airports, stadiums, schools, universities, medical facilities, government facilities, labs, and data centers, just to name a few.
As the first Green Seal (GS-42) certified company on the East Coast, we specialize in high-performance "Least Harmful" cleaning. Our services include green cleaning, controlled environment cleaning, porter services, light maintenance, and all types of floor care.
We are also CIMS-GB Certified with Honors, showing our commitment to providing the best customer experience and industry expertise.
We are actively involved in the industry and believe in being a good corporate citizen by giving back to the community.

COMPANY PHILOSOPHY
In order to better acquaint you with our service, it is important for you to understand our company philosophy. Superior customer service is our number one corporate concern. Service excellence is not a revolutionary idea and it is certainly not a sophisticated concept. It is however, the only way to succeed in business today.
Service is more important than ever before because of competition. Customers don’t have to and won't put up with mediocre service. They will go across town or even across the country, if need be, for service that matches their expectations and needs.
What is the success formula for CJ Maintenance? It is attention to the minor detail, the little things, the infinitesimal but important points that the competition just doesn’t want to take the time, money, or effort to complete.
In order to better acquaint you with our service, it is important for you to understand our company philosophy. Superior customer service is our number one corporate concern. Service excellence is not a revolutionary idea and it is certainly not a sophisticated concept. It is however, the only way to succeed in business today.
Service is more important than ever before because of competition. Customers don’t have to and won't put up with mediocre service. They will go across town or even across the country, if need be, for service that matches their expectations and needs.
What is the success formula for CJ Maintenance? It is attention to the minor detail, the little things, the infinitesimal but important points that the competition just doesn’t want to take the time, money, or effort to complete.
Just like the old proverb says, “It’s the straw that broke the camel’s back.” This is especially true in business. We at CJM know that the small things, the little daily task, make or break a business relationship.
Armed with this knowledge and empowered by the practice of Total Quality Management, CJM is a driving force in the facility and janitorial services industry.
Armed with this knowledge and empowered by the practice of Total Quality Management, CJM is a driving force in the facility and janitorial services industry.
MISSION STATEMENT
"Our goal is to excel as the top choice for facility services in commercial, educational, healthcare, and government sectors nationwide, delivering exceptional service that leaves all our customers completely satisfied."
VISION STATEMENT
"We strive to enhance the well-being of our clients, their employees, and facility occupants by ensuring consistently clean working environments, employing the safest and most efficient cleaning solutions. Moreover, we prioritize the safety and development of our employees, offering them improved working conditions, avenues for career progression, and ongoing training in cutting-edge equipment and technologies."
"Our goal is to excel as the top choice for facility services in commercial, educational, healthcare, and government sectors nationwide, delivering exceptional service that leaves all our customers completely satisfied."
VISION STATEMENT
"We strive to enhance the well-being of our clients, their employees, and facility occupants by ensuring consistently clean working environments, employing the safest and most efficient cleaning solutions. Moreover, we prioritize the safety and development of our employees, offering them improved working conditions, avenues for career progression, and ongoing training in cutting-edge equipment and technologies."

9730 Patuxent Woods Drive,
Columbia, MD 21046
COMPANY HISTORY
• 1985 – C J Maintenance, Inc., a janitorial
service firm, was established by James and
Kristine Choe as a sole proprietorship.
• 1990 - The company was incorporated in the
state of Maryland, and increased its
employee base to 100 full-time and part-
time employees.
• 1992 - Certified as an Associate Member to the
Building Owners and Managers Association
of Baltimore (BOMA).
• 1992 - Certified as a Minority Business Enterprise
to the Maryland/DC Minority Supplier
Development Council (MSDC).
• 1993 - Received 1993 BOMA Award of Excellence for buildings serviced by C J Maintenance
• 1995 - Received 1995 BOMA Award of Excellence for buildings serviced by C J Maintenance
• 1996 - Certified as a Maryland Department of Transportation Minority Business Enterprise (MBE) and a
Minority Owned Business Enterprise of Baltimore City.
• 1997 - Received 1997 Building of the Year BOMA and 1997 BOMA Award of Excellence for three
buildings serviced by C J Maintenance
• 1998 - Certified as a Member to Apartment & Office Building Association of Metropolitan Washington
(AOBA).
• 1998 - Certified as a Member to the International Facility Management Association (IFMA). C J
Maintenance maintains currently a client base of over eighty buildings along the Baltimore and
Washington corridor.
• 2000 - Baltimore and Washington Business Journals ranked C J Maintenance second (2nd) of all
janitorial companies.
• 2001 - Fifteen (15) million square feet of space cleaned on a daily basis.
• 2005 - Began providing other facility and general maintenance services.
• 2006 - Received 2006 Building of the Year BOMA and 2006 BOMA Awarded of Excellence for three
buildings by C J Maintenance
• 2007 - Obtained Green Seal Certification.
• 2008 - Received 2008 Building of the Year BOMA and 2008 BOMA Award of Excellence for three building
serviced by C J Maintenance
• 2009 - Transitioned over 10 million square feet of office space to green cleaning.
• 2010 - Twenty five (25) million square feet of office and industrial space cleaned on a daily basis.
• 2011 - Acquired a new building and moved our offices to a larger location, still in Columbia,
Maryland, to accommodate our growth.
• 2012 – Received BOMA’s 2012 Building of the Year Award and Management Company
of the Year for building serviced by C J Maintenance.
• 2012 - Nearly thirty (30) million square feet of office and industrial space cleaned on a daily basis.
• 2013 - Received the CIMS-GB Expert certification for multiple individuals; progressing to CIMS-GB
certification company wide.
• 2014 – Certified as a Minority Business Enterprise by the Capital Region Minority Supplier
Development Council (CRMSDC).
• 2015 – Over thirty (35) million square feet of office and industrial space cleaned daily.
• 2016 – Ranked as the second largest Minority Business Enterprise by the Baltimore Business Journal.
• 2017 – Added a major Airport and University to our growing portfolio.
• 2018 – Added eight (8) more Charter Schools to our growing portfolio in the Philadelphia area.
• 2019 – Expanded our services to Tampa, FL and the Southeast Region.
• 2020 – Expanded our services into New Jersey.
• 2021 – Added another Regional Airport.
• 2023 – After receiving our initial CIMS-GB certification in 2021, we earned our CIMS-GB with Honors.
• 2024 – Acquire a flex office building, approximately 31K square feet that will become our new
headquarters in Columbia, MD.
• 2025 – 40th Anniversary! 1985 to 2025
• 2025 – Moved into our new building at 9730 Patuxent Woods Drive in Columbia, MD.
CJ Maintenance, Inc. is active in the business community. We are members of ISSA, BSCAI, USGBC, BOMA, AOBA, Maryland Department of Transportation (MDOT) Office of Minority Business Enterprise (OMBE), and IFMA, just to name a few. We were also the first Green Seal GS-42 Certified company on the East Coast.
What does CIMS GB mean for you, our customer? CLICK HERE
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