# Aircraft manufacturing contractors in Illinois

Source page: https://datainside.ai/directory/industries/336411/il

2 companies won 5 federal contract awards worth $15,787,364 for aircraft manufacturing (NAICS 336411) in Illinois in our record (2026-03-24 to 2026-07-23).

## Companies winning this work
| # | Company | UEI | Awards | Obligated | Latest award |
|---|---|---|---|---|---|
| 1 | [Kay and Associates, Inc.](https://datainside.ai/companies/kay-and-associates-inc-2654632768a6) | NHQJPMYJEVJ9 | 3 | $14,066,764 | 2026-05-21 |
| 2 | [W S Darley & Co](https://datainside.ai/companies/w-s-darley-and-co-c38b6cce730e) | TENRPZGMAGJ6 | 2 | $1,720,600 | 2026-07-23 |

## Agencies buying
- [Department of Defense](https://datainside.ai/agencies/department-of-defense): $15,787,364, 2 companies

## Cities where the work is
- Buffalo Grove: $14,066,764, 1 company
- Itasca: $1,720,600, 1 company

## Latest awards
| Company | Agency | Obligated | Signed | Record |
|---|---|---|---|---|
| W S Darley & Co | Department of the Army | $912,400 | 2026-07-23 | https://www.usaspending.gov/award/CONT_AWD_W58RGZ26F0397_9700_W58RGZ26G0002_9700 |
| W S Darley & Co | Department of the Army | $808,200 | 2026-07-23 | https://www.usaspending.gov/award/CONT_AWD_W58RGZ26F0391_9700_W58RGZ26G0002_9700 |
| Kay and Associates, Inc. | Department of the Air Force | $5,941,346 | 2026-05-21 | https://www.usaspending.gov/award/CONT_AWD_FA810826FB046_9700_FA810817D0003_9700 |
| Kay and Associates, Inc. | Department of the Air Force | $3,326,773 | 2026-04-23 | https://www.usaspending.gov/award/CONT_AWD_FA810826FB039_9700_FA810817D0003_9700 |
| Kay and Associates, Inc. | Department of the Air Force | $4,798,645 | 2026-03-24 | https://www.usaspending.gov/award/CONT_AWD_FA810826FB037_9700_FA810817D0003_9700 |

Data: DataInside, from USAspending.gov. Award totals are federal obligations, not company revenue.