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A Full Service Janitorial Company

    

About Us

Commitment

Our commitment to hard work has made us a success since 1988. Read More

Excellence

We provide the latest available technology to deliver the results you require.

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Dedication

Our management team's direct communication with our valued customers ensures a long lasting relationship.

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History

Bob Headshot

Interstate Maintenance was founded by Bob Weller in 1988 as a janitorial cleaning firm in suburban Philadelphia. By dedicating itself to customer service and in partnership with its clients, Interstate has grown into a full service commercial cleaning company, with clients across the United States.

Interstate’s growth has been natural and organic, based on its core belief of delivering the highest quality cleaning service in the industry. Interstate is not a franchise or a subsidiary, and remains independently owned. We now employ a staff of over 1,000 while still continuing to provide the same personalized service commitment to our customers.

Testimonials

“All in all, this is the best crew we’ve ever had and I would be very upset to see them leave. Interstate employees are good workers that want to do a good job, and THAT is very hard to find. And I don’t have to spend any of my time on cleaning issues, which has never been the case before.”
Laura D., Office Manager