OneSource Janitorial and Regional Building Maintenance Company Partner to Service One Million Square Feet of Commercial Office Space for High Profile Client

Successful collaboration highlights best practices in janitorial services and maintenance

(Redmond, WA) November 8, 2010—Since 1998, Regional Building Maintenance Company (RBMC)
has successfully provided janitorial services and maintenance to more than 4 million square feet of
commercial office space daily stretching from the Canadian border to Tacoma and east to the Tri-Cities.
The spaces range from an average of 100,000 square feet to 400,000 square feet and are leased by
national and multinational firms.

For the past 10 years, RBMC has been working as a subcontractor with OneSource Janitorial to service
one million square feet of space spread among 130 buildings stretching from the Canadian border
to Northern California on behalf of a large client. “RBMC has been able to handle some challenging
logistics regarding multiple states and settings, including urban and remote locations,” said Dan
Williams, President, OneSource Janitorial. “Cecil and his team have done a great job to accommodate a
complicated schedule that ranges from daily to monthly service agreements.”

RBMC owner Cecil Osborne has 30 years of industry experience and has worked with Williams on prior
service contracts. He believes what makes his company successful is the ability to facilitate resources
among multiple sites in one more states , competitive pricing and customer service. “We continue to
meet the dynamic requirements of large companies smoothly,” he said. “Whether it’s a large single
building or multiple locations, we can make sure the client’s needs are met on an individual basis.”

For more information regarding Regional Building Maintenance Company, visit www.rbscorp.net