General business services
1,270 companies
SIC 7389
Companies in Ann Arbor
Behind every street in Ann Arbor sits a business. 32,336 of them, to be exact, all registered in the United States business register. The biggest single industry is general business services with 1,270 companies, roughly 4% of everything that does business in the city.
32,336 businesses indexed
Regents Of The University Of MichiganRegents Of The University Of Michigan
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Regents Of The University Of Michigan | USA | Ann Arbor | 1109 Geddes Ave | Washtenaw | 48109-1006 | lsa.***** | 1817 | $12,902,261,000 | 34,624 | Corporation | 712 | N/A |
| 2 | Domino's Pizza, INC. | USA | Ann Arbor | 30 Frank Lloyd Wright Dr | Washtenaw | 48105-9759 | biz.***** | 1960 | $4,939,994,000 | 10,200 | Corporation | 687 | 382511577 |
| 3 | Domino's Pizza LLC | USA | Ann Arbor | 30 Frank Lloyd Wright Dr | Washtenaw | 48106 | biz.***** | 1998 | $4,706,416,000 | 10,000 | Corporation | 687 | 381741243 |
| 4 | Xpo Cnw, INC. | USA | Ann Arbor | 2211 Old Earhart Rd Ste 100 | Washtenaw | 48105-2963 | conwayfreight.***** | 2015 | $2,789,716,159 | 30,100 | Corporation | 764 | 526809 |
| 5 | University Of Michigan Health System | USA | Ann Arbor | 1500 E Medical Center Dr | Washtenaw | 48109-5000 | med.***** | 2001 | $2,072,953,814 | 3,400 | Corporation | 712 | N/A |
| 6 | Xpo Logistics Freight, INC. | USA | Ann Arbor | 2211 Old Earhart Rd Ste 100 | Washtenaw | 48105-2963 | xpo.***** | 2015 | $1,539,619,136 | 19,000 | Corporation | 764 | 2003591 |
| 7 | Catherine Mcauley Health Services CORPORATION | USA | Ann Arbor | 5301 E Huron River Dr | Washtenaw | 48106 | N/A | 2004 | $1,173,128,843 | 115 | Corporation | 869 | N/A |
| 8 | National Center For Manufacturing Sciences, INC. | USA | Ann Arbor | 3025 Boardwalk St Ste 250 | Washtenaw | 48108-3260 | ncms.***** | 1987 | $568,204,237 | 35 | Corporation | 5 | 2159684 |
| 9 | Iha Health Services CORPORATION | USA | Ann Arbor | 24 Frank Lloyd Wright Dr Ste J2000 | Washtenaw | 48106 | trinity-health.***** | 2010 | $479,781,434 | 3,040 | Corporation | 869 | 383126920 |
| 10 | County Of Washtenaw | USA | Ann Arbor | 220 N Main St | Washtenaw | 48104-1413 | wdc-econdev.***** | 1826 | $474,684,859 | 1,600 | Corporation | 40 | N/A |
| 11 | Proquest LLC | USA | Ann Arbor | 789 E Eisenhower Pkwy | Washtenaw | 48108-3218 | about.***** | 2021 | $452,497,706 | 1,502 | Corporation | 241 | 4264702 |
| 12 | Wacker Chemical CORPORATION | USA | Ann Arbor | 4950 S State Rd | Washtenaw | 48108 | wacker.***** | 2005 | $435,927,902 | 1,903 | Corporation | 125 | 807165 |
| 13 | Tecumseh Products Company LLC | USA | Ann Arbor | 5683 Hines Dr | Washtenaw | 48108-7901 | tecumseh.***** | 2015 | $429,639,036 | 4,800 | Corporation | 38 | 802054916 |
| 14 | Tecumseh Products Holdings LLC | USA | Ann Arbor | 5683 Hines Dr | Washtenaw | 48108-7901 | tecumseh.***** | 2015 | $429,639,036 | 4,963 | Corporation | 38 | 5791119 |
| 15 | Crs Acquisition CORPORATION | USA | Ann Arbor | 47 W Ellsworth Rd | Washtenaw | 48108-2206 | avfuel.***** | 1984 | $418,905,173 | 270 | Corporation | 36 | 800154845 |
| 16 | Public Schools Of The City Of Ann Arbor, Michigan | USA | Ann Arbor | 2555 S State St | Washtenaw | 48104-6145 | a2schools.***** | 1904 | $417,833,979 | 2,000 | Corporation | 39 | N/A |
| 17 | Esperion Therapeutics, INC. | USA | Ann Arbor | 3891 Ranchero Dr Ste 150 | Washtenaw | 48108 | esperion.***** | 2008 | $403,135,000 | 294 | Corporation | 2 | 4493349 |
| 18 | Nsk Americas, INC. | USA | Ann Arbor | 4200 Goss Rd | Washtenaw | 48105-2799 | nsk.***** | 1973 | $392,156,024 | 2,618 | Corporation | 277 | 0789028 |
| 19 | Realtruck Intermediate Holdings, INC. | USA | Ann Arbor | 5400 Data Ct | Washtenaw | 48108-8961 | realtruck.***** | 2017 | $372,570,019 | 891 | Corporation | 19 | 6361222 |
| 20 | Merative L.P. | USA | Ann Arbor | 100 Phoenix Dr | Washtenaw | 48108-2635 | merative.***** | 2022 | $273,093,572 | 2,931 | Partnership of unknown type | 130 | 6546224 |
| 21 | Nsk CORPORATION | USA | Ann Arbor | 4200 Goss Rd | Washtenaw | 48105-2799 | nsk.***** | 2007 | $234,278,825 | 1,181 | Corporation | 277 | 2754149 |
| 22 | Infrasource Construction, LLC | USA | Ann Arbor | 2311 Green Rd | Washtenaw | 48105-2966 | infrasourceus.***** | 2002 | $227,257,725 | 200 | Corporation | 687 | N/A |
| 23 | Washtenaw Intermediate School District | USA | Ann Arbor | 1819 S Wagner Rd | Washtenaw | 48103-9726 | washtenawisd.***** | 1850 | $223,461,821 | 600 | Corporation | 29 | N/A |
| 24 | Nsf International | USA | Ann Arbor | 789 N Dixboro Rd | Washtenaw | 48113 | nsf.***** | 1944 | $203,119,566 | 458 | Corporation | 44 | 800792743 |
| 25 | The Macomb Group INC | USA | Ann Arbor | 201 S Division St Ste 400 | Washtenaw | 48104-2259 | macombgroup.***** | 1991 | $202,991,823 | 145 | Corporation | 34 | 800131138 |
Showing 25 of 32,336 companies
Request Free SampleLargest companies in Ann Arbor
Which company is the largest in Ann Arbor depends on how you measure. You can look at valuation, at revenue or at how many people work there. Valuations are private for most companies, so here we stick to revenue and headcount.
By revenue, Regents Of The University Of Michigan comes first in Ann Arbor. It is part of a group with $12.9 billion in yearly revenue. By headcount, County Of Washtenaw comes first with 1,600 employees. We only looked at the 22,217 corporations in Ann Arbor for this; sole traders, foundations and other legal forms are left out.
The two tables below show how all 32,336 companies in Ann Arbor are spread across revenue and headcount bands.
Yearly revenue
53.9%of companies have less than $100,000 in yearly revenue
| Revenue (USD) | Count | Share |
|---|---|---|
| up to $100,000 | 17,436 | 53.9% |
| $100,000 to $500,000 | 10,353 | 32.0% |
| $500,000 to $1M | 778 | 2.4% |
| $1M to $5M | 843 | 2.6% |
| $5M to $10M | 114 | 0.4% |
| $10M to $50M | 105 | 0.3% |
| $50M to $100M | 13 | <0.1% |
| $100M to $500M | 31 | 0.1% |
| $500M to $1B | 1 | <0.1% |
| $1B or more | 7 | <0.1% |
| Unknown | 2,655 | 8.2% |
Headcount
84.4%of companies have 1 to 4 employees
| Employees | Count | Share |
|---|---|---|
| 1-4 | 27,296 | 84.4% |
| 5-9 | 2,350 | 7.3% |
| 10-19 | 990 | 3.1% |
| 20-49 | 769 | 2.4% |
| 50-99 | 336 | 1.0% |
| 100-199 | 128 | 0.4% |
| 200-499 | 44 | 0.1% |
| 500-999 | 11 | <0.1% |
| 1,000-4,999 | 6 | <0.1% |
| Unknown | 406 | 1.3% |
Source: business register and CompanyData. "Unknown" means no published figure.
Largest industries in Ann Arbor
The biggest industry groups in Ann Arbor by registered company count, with the top five companies by revenue in each.
Business Consulting Services, Not Elsewhere Classified
1,217 companies
SIC 8748
Restaurants and eating places
899 companies
SIC 5812
Operators of Nonresidential Buildings
723 companies
SIC 6512
Real estate agents and managers
594 companies
SIC 6531
Management consulting
585 companies
SIC 8742
Legal Services
575 companies
SIC 8111
Civic, Social, and Fraternal Associations
532 companies
SIC 8641
All industries in Ann Arbor
Together, general business services, Business Consulting Services, Not Elsewhere Classified and restaurants and eating places make up the top three industries in Ann Arbor, accounting for 10% of the city's commercial activity. The oldest company we can find in Ann Arbor is Saint Mary's Student Parish, founded in 1800, with Regents Of The University Of Michigan not far behind. They are still here, along with 32,334 other businesses in Ann Arbor.
The University of Michigan sets the rhythm in Ann Arbor, feeding research spin-offs, bookshops and tech startups that keep the town busier than its size suggests. All of them are in our data. Look up a company in the table at the top of this page, get the full list delivered as an Excel file, or pull the records straight into your own systems through our API.
- Nonclassifiable Establishments6,383
- Business Services, Not Elsewhere Classified1,270
- Business Consulting Services, Not Elsewhere Classified1,217
- Eating Places899
- Operators of Nonresidential Buildings723
- Real Estate Agents and Managers594
- Management Consulting Services585
- Legal Services575
- Civic, Social, and Fraternal Associations532
- Offices and Clinics of Health Practitioners, Not Elsewhere Classified524
- Other industries19,034
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Open the search toolFrequently Asked Questions
Common questions about searching, filtering, and ordering Ann Arbor company data.
Our Ann Arbor business directory currently lists every registered legal entity with a Ann Arbor address in the official United States business register. The exact count is shown live at the top of this page.
Ann Arbor records are sourced directly from the official United States business register and enriched with 50+ data points: revenue, employees, industry codes, contact details, and ownership.
Core registry fields are refreshed weekly. Enriched fields (revenue, employees, contact) are refreshed monthly so your Ann Arbor list never goes stale.
Yes. Every Ann Arbor record is tagged with SIC industry codes. You can request your directory filtered by one or several SIC codes, employee size bands, or revenue thresholds.
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Yes. Request a free 100-record sample of Ann Arbor data and we will email it within one business day.
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