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Harrington Management was founded in 1994 by Wesley E. Harrington, CAE. HMI, initially headquartered in Waltham, Massachusetts, moved to Osterville, Massachusetts in 2014. HMI's original client focus was on nonprofit medical specialty societies and related healthcare organizations. As the company expanded in the ensuing years, so, too, did its client focus by adding experience with a broad array of nonprofit organizations in other disciplines including charitable, philanthropic, financial management, education, and most notably in the hospitality and event management space. HMI successfully completed rigorous certification processes and received national accreditation as a nonprofit and association management firm from both the American Society of Association Executives (ASAE), and the International Association of Association Management Companies (IAAMC).

Harrington Management Questions

The Harrington Management annual revenue was $2 million in 2026.

Harrington Management is based in Osterville, Massachusetts.

The NAICS codes for Harrington Management are [541, 5412, 56, 54, 561].

The SIC codes for Harrington Management are [73, 87, 874].

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