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One way to reflect on a regional economy is to check out the top employers and their industries, including public and private organizations. Here’s the latest list identifying the top employers in Washtenaw County compiled by Ann Arbor SPARK.
Updated January 2025
Company Name | City | Type of Organization | # of Employees* |
University of Michigan | Ann Arbor | Public university and health care system | 37,400 – 37,499 |
Trinity Health Michigan (multiple locations) | Ann Arbor/ Saline/ Chelsea | Health care system | 5,500 – 5,599 |
Ann Arbor Public Schools | Ann Arbor | Public school district | 2,700 – 2,799 |
VA Ann Arbor Healthcare System | Ann Arbor | Health care system | 2,700 – 2,799 |
IHA Health Services Corp. | Ann Arbor | Multi-specialty physician group practice | 1,600 – 1,699 |
Washtenaw County Government | Ann Arbor | County government | 1,300 – 1,399 |
Eastern Michigan University | Ypsilanti | Public university | 1,300 – 1,399 |
Toyota Motor North America Research and Development (2 locations) | Ann Arbor/ Saline | OEM research | 1,200 – 1,299 |
Domino’s Pizza | Ann Arbor | Corporate headquarters | 1,200 – 1,299 |
Faurecia Interior Systems (FORVIA) | Saline | Automotive component manufacturer | 900 – 999 |
RealTruck | Ann Arbor | Automotive component manufacturer | 900 – 999 |
Ford Rawsonville Components Plant | Ypsilanti | Automotive component manufacturer | 800 – 899 |
City of Ann Arbor | Ann Arbor | City government | 700 – 799 |
KLA Corporation | Ann Arbor | R&D semiconductor research center | 700 – 799 |
Zingerman’s Family of Businesses | Ann Arbor | Food production | 700 – 799 |
ProQuest | Ann Arbor | Data and information | 600 – 699 |
Ypsilanti Community Schools | Ypsilanti | Public school district | 600 – 699 |
Washtenaw Community College | Ann Arbor | Community college | 500 – 599 |
JAC Products Inc. | Saline | Automotive component manufacturer | 500 – 599 |
Martinrea Bishop Circle Assembly | Manchester | Automotive component manufacturer | 400 – 499 |
Stellantis – Chelsea Proving Grounds | Chelsea | OEM research | 400 – 499 |
Thomson Reuters | Ann Arbor | Intelligent business services | 400 – 499 |
Google AdWords | Ann Arbor | Advanced IT | 400 – 499 |
National Vehicle and Fuel Emissions Laboratory | Ann Arbor | Research | 400 – 499 |
NTT Data | Ann Arbor | Advanced IT | 400 – 499 |
Duo Security | Ann Arbor | Advanced IT security solutions | 400 – 499 |
Hatch Stamping | Chelsea | Manufacturing | 300 – 399 |
Sheridan Books | Chelsea | Book printing and binding | 300 – 399 |
Terumo Cardiovascular Group | Ann Arbor | Medical device manufacturing | 300 – 399 |
Chelsea Milling Company | Chelsea | Food manufacturing | 300 – 399 |
*According to most recent data