1 2 | Hunt Construction Group Inc. 2450 S. Tibbs Ave., 46241 (317) 227-7800 / fax (317) 227-7810 / huntconstructiongroup.com
| $1.8 billion $1.8 billion
| 675
| construction management, general contracting, design/build, integrated project delivery, consulting, pre-construction
| The Hunt Corp.
| United States
| Mike D. Fratianni, COO; Kenneth L. Johnson, EVP, division manager
| 1944
|
2 4 | CountryMark 225 S. East St., Suite 144, 46202 (317) 238-8200 / fax (317) 238-8210 / countrymark.com
| $1.6 billion $1.1 billion
| 422
| oil exploration, production, refining and marketing
| 28 member cooperatives
| Midwest
| Charles E. Smith, president, CEO
| 1930
|
3 3 | OneAmerica Financial Partners Inc. One American Square, 46206 (317) 285-1877 / fax (317) 285-1979 / oneamerica.com
| $1.4 billion $1.3 billion
| 1,498
| retirement plan products and services, life insurance and annuities, long-term-care products, employee benefits and disability
| American United Mutual Insurance Holding Co.
| United States
| Dayton H. Molendorp, chairman, president, CEO
| 2000
|
4 10 | Co-Alliance LLP 5250 E. U.S. 36, Building 1000, Avon 46123 (800) 525-0272 / DND / co-alliance.com
| $1.0 billion $758.0 million
| 500
| energy and agribusiness supply and service
| farmer cooperatives
| Indiana, Ohio, Michigan
| Kevin A. Still, CEO
| 1927
|
5 7 | LDI Ltd. LLC 54 Monument Circle, Suite 800, 46204 (317) 237-5400 / DND / ldiltd.com
| $780.0 million $906.0 million
| 1,100
| wholesale distribution and logistics
| Lacy family
| United States
| Andre B. Lacy, chairman; David N. Shane, CEO; J.A. Lacy, president, CEO
| 1912
|