Maureen Gray founded KBM in 1981, providing a fresh approach to the commercial janitorial industry. Over the past 30 years KBM has grown to become an award-winning building services contractor, specializing in sustainable janitorial and maintenance solutions. Below are a few highlights from KBM's rich history:
2011
KBM celebrates its 30th anniversary.
Maureen Gray recognized by the San Diego Daily Transcript as on of San Diego's "Top Influentials."
2010
KBM is recognized as the 9th Fastest Growing Privately Held Company in San Diego by the San Diego Business Journal.
KBM acknowledged as "Best Cleaning Program" and "Best Industry Environmental Program" at the 2010 (OS1) Users Sypmposium.
KBM succeeds in achieving (OS1) Green Certification for ten client accounts.
Maureen Gray is a finalist for the prestigious 2010 Ernst & Young Entrepreneur of the Year Award for the San Diego region.
2009
Four of KBM’s accounts become (OS1)® Green Certified.
KBM receives the San Diego Business Journal’s, “Top 10 Best Places to Work” award for the largest company category. KBM is the only cleaning company to make the top 50 list.
2008
KBM merges with Moore Maintenance and Janitorial Services, a Certified Minority-Owned Business Enterprise founded in 1983 by John Moore and Scott Brill. KBM expands to provide janitorial and facility maintenance services throughout the United States and Canada.
KBM grows its hospitality cleaning services division through the acquisition of Knightly Building Services LLC.
2007
KBM implements 3rd party audits as part of our sustainable cleaning program, and baseline audits are performed at client facilities.
The KBM (OS1)® training room is complete.
2005-2006
KBM joins the San Diego Chapter of the United States Green Building Council.
KBM establishes relationship with the Service Employees International Union (SEIU), which increases benefits to those employees assigned to union sites.
KBM celebrates its 25th anniversary by hosting events for employees, vendor partners, and clients.
First (OS1)® Boot Camp is complete with 22 KBM graduates. KBM expands service into Los Angeles and Orange Counties. Best Practice benchmarks are established and progress audits are scheduled for 2007.
2004
KBM receives the distinguished Better Business Bureau's Finalist Award for Marketplace Ethics.
KBM reaches over 1 million in monthly sales.
32 members of KBM management graduate from Managers As Motivators Academy.
Annual customer surveys and focus groups are a huge success with satisfaction rates increasing steadily. Employees are rewarded with ongoing profit sharing plan.
2002-2003
KBM transitions into using ManageMen's Operating System One (OS1), a 100% sustainable cleaning process, and switches to Green Seal GS-37 approved chemicals.
1997-2001
KBM employs sustainable green cleaning methods.
The tenant improvement and construction division launched, servicing commercial offices, business parks, retail centers, high tech, HOA’s and biotech facilities.
KBM Facility Solutions added a full-service floor division, which offers maintenance, restoration, and installation for all kinds of flooring.
KBM management team attends ManageMen® Janitor University™.










