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 NameCityType of Organization# of Employees*
University of MichiganAnn ArborPublic university and health care system37,400 – 37,499
Trinity Health Michigan (multiple locations)Ann Arbor/ Saline/ ChelseaHealth care system5,500 – 5,599
Ann Arbor Public SchoolsAnn ArborPublic school district2,700 – 2,799
VA Ann Arbor Healthcare SystemAnn ArborHealth care system2,700 – 2,799
IHA Health Services Corp.Ann ArborMulti-specialty physician group practice1,600 – 1,699
Washtenaw County GovernmentAnn ArborCounty government1,300 – 1,399
Eastern Michigan UniversityYpsilantiPublic university1,300 – 1,399
Toyota Motor North America Research and Development (2 locations)Ann Arbor/ SalineOEM research1,200 – 1,299
Domino’s PizzaAnn ArborCorporate headquarters1,200 – 1,299
Faurecia Interior Systems (FORVIA)SalineAutomotive component manufacturer900 – 999
RealTruckAnn ArborAutomotive component manufacturer900 – 999
Ford Rawsonville Components PlantYpsilantiAutomotive component manufacturer800 – 899
City of Ann ArborAnn ArborCity government700 – 799
KLA CorporationAnn ArborR&D semiconductor research center700 – 799
Zingerman’s Family of BusinessesAnn ArborFood production700 – 799
ProQuestAnn ArborData and information600 – 699
Ypsilanti Community SchoolsYpsilantiPublic school district600 – 699
Washtenaw Community CollegeAnn ArborCommunity college500 – 599
JAC Products Inc.SalineAutomotive component manufacturer500 – 599
Martinrea Bishop Circle AssemblyManchesterAutomotive component manufacturer400 – 499
Stellantis – Chelsea Proving GroundsChelseaOEM research400 – 499
Thomson ReutersAnn ArborIntelligent business services400 – 499
Google AdWordsAnn ArborAdvanced IT400 – 499
National Vehicle and Fuel Emissions LaboratoryAnn ArborResearch400 – 499
NTT DataAnn ArborAdvanced IT400 – 499
Duo SecurityAnn ArborAdvanced IT security solutions400 – 499
Hatch StampingChelseaManufacturing300 – 399
Sheridan BooksChelseaBook printing and binding300 – 399
Terumo Cardiovascular GroupAnn ArborMedical device manufacturing300 – 399
Chelsea Milling CompanyChelseaFood manufacturing300 – 399

*According to most recent data

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