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Sustainability:
Certified Partner

Our independent certifications show that we go beyond using “Green Cleaning” certified products; we use certified Sustainable Processes throughout our company.

Harvard is one of the only building service contractors to carry both CIMS GB and Green Seal GS 42 certifications.

SIMS logoThe Clean Industry Management Standard (CIMS) was established by experts selected by the ISSA, Worldwide Cleaning Industry Association in collaboration with the American Institute for Cleaning Sciences (AICS). CIMS, often referred to as the Standard, was established to assess an organization’s management systems and the processes used to deliver service to clients. Learn more at www.issa.com/?id=cims_green_building


Green Seal logo

Green Seal developed the life cycle-based sustainability standards for products, services and companies.  Certification criteria include planning, products, supplies, equipment, procedures, training, documentation, and communications.  Learn more at www.greenseal.org


ISSA logo




HHPC Day is the industry's only Day Cleaning certification program. It ensures that building service contractors have the background, operational knowledge, and tools to ensure a systematic and smooth transition to Day Cleaning. The program was developed by Diversey, Inc.



Greenguard logo

GREENGUARD Indoor Air Quality Certification Program assures that products designed for use in office environments and other indoor spaces meet strict chemical emissions limits.

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