Tri-M is a family owned small business from the City of Quincy.

About Tri-M Maintenance, Inc.

TRI-M: YOUR COMPLETE JANITORIAL SERVICE COMPANY

Tri-M Maintenance, Inc. provides professional janitorial services to property owners, managers and developers throughout Eastern Massachusetts. Our commitment to provide excellent service has helped us to become a leading provider of Janitorial services throughout the Greater Boston Area. Through careful selection and training of our staff as well as superior supervision, you can be assured that we will perform consistently and reliably each and every day.

Mike Murphy has been leading Tri-M since its creation in 1978. Growing up in Quincy Massachusetts, Mike launched Tri-M window cleaning out of the garage of his parents house. Under Mike’s direction Tri-M has grown from a single employee window cleaning company to a 50+ employee full service Janitorial contracting company. Tri-M now services over 3 Million sq feet of space per week in both commercial and residential property. Over the last 32 years, Michael has attained extensive experience in the janitorial industry and is directly responsible for success Tri-M has achieved.
“Mike and the gang did such a great job cleaning our windows. Our house will look perfect for the holidays. Thank you so much.” – south shore homeowner

Complete List of Services

  • PORTER SERVICES
  • WALL WASHING
  • BLIND CLEANING
  • TENANT TURNOVERS
  • VACANCY MAINTENANCE
  • COMMON AREA CLEANING

Service Area

  • BOSTON
  • DORCHESTER
  • BROOKLINE
  • WEST ROXBURY
  • DEDHAM
  • NEWTON
  • QUINCY
  • BRAINTREE
  • CANTON
  • NORWOOD
  • WESTOOD
  • AVON



From the Blog!

Check back here often for updated information and cleaning tips and tricks.

2011 MRC Distinguished Employer Award

Tri-M Maintenance was honored earlier this year with the 2011 Distinguished Employer Award by the Massachusetts Rehabilitation Commission (MRC) and...

How to clean everyday stains

Rust Rust is iron-oxide which is alkaline. To fight alkaline substances such as rust or everyday dirt, apply an acidic substance such as vinegar or...