Oneill Contractors Inc
Oneill Contractors Inc is a small business in Chicago, IL registered on SAM.gov to bid on federal contracts. It has won about $45.9 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- YPTVJDAFDU97
- CAGE code
- 4US08
- SAM.gov registration
- Active
Registration details
| Legal business name | Oneill Contractors Inc |
|---|---|
| Unique Entity ID (UEI) | YPTVJDAFDU97 |
| CAGE code | 4US08 |
| Location | Chicago, IL |
| SAM.gov registration | Active through Aug 25, 2027 |
| Business started | 2007 |
| Primary NAICS code | 236220: Commercial and Institutional Building Construction |
| Website | www.oneillcontractors.com |
Certifications and business types
- Small disadvantaged business (self-reported in SAM.gov)
- Service-disabled veteran-owned (self-reported in SAM.gov)
- Veteran-owned (self-reported in SAM.gov)
- Women-owned (self-reported in SAM.gov)
- Women-owned small business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.
NAICS codes Oneill Contractors Inc is small under
On its SAM.gov registration, Oneill Contractors Inc meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 236220 Commercial and Institutional Building Construction
- 236210 Industrial Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237130 Power and Communication Line and Related Structures Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238140 Masonry Contractors
- 238160 Roofing Contractors
- 238170 Siding Contractors
- 238190 Other Foundation, Structure, and Building Exterior Contractors
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 238290 Other Building Equipment Contractors
- 238310 Drywall and Insulation Contractors
- 238320 Painting and Wall Covering Contractors
- 238330 Flooring Contractors
- 238340 Tile and Terrazzo Contractors
- 238350 Finish Carpentry Contractors
- 238390 Other Building Finishing Contractors
- 238910 Site Preparation Contractors
- 238990 All Other Specialty Trade Contractors
- 321918 Other Millwork (including Flooring)
- 323120 Support Activities for Printing
- 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
- 531120 Lessors of Nonresidential Buildings (except Miniwarehouses)
And 5 more.
Open contracts in Oneill Contractors Inc's NAICS codes
892 open federal opportunities on SAM.gov use a NAICS code Oneill Contractors Inc is small under. These are due soonest.
- USDA seeking 2,300-2,722 ABOA SF, Office/Warehouse/Scientific Support Space, in Cocoa, FL
✦ USDA (APHIS) wants to lease 2,300 to 2,722 square feet of ground-floor office, light industrial and scientific support space in Cocoa, Florida.
Due in 2 daysOct 12, 2026
- USDA seeking 1,000-1,214 ABOA SF, Office, in Indio, CA
✦ The USDA (APHIS, through its Minneapolis real estate office) is looking for 1,000 to 1,214 square feet of office space to lease in Indio, CA. This is a request for expressions of…
Due in 2 daysOct 12, 2026
- NEW Elevator Full Service Contract BASE PLUS 4 OPTION YEARS FHCC VAMC, NORTH CHICAGO IL
Due in 2 daysOct 12, 2026
- CON | Z1DA | REPLACE OR CHILLERS | 580-23-105 | PRESOLICITATION
✦ The VA Medical Center in Houston, TX plans a construction contract to remove and replace two operating room chillers in Building 100.
Due in 2 daysOct 12, 2026
- Y1DA | 521-24-102 | Renovate Wards 2K and 2B for Optometry/Ophthalmology Clinical Use
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (236220) that have won federal contracts, starting with Illinois:
- Bridger National Construction LLC, Chicago, IL
- JV6 Contracting V2 LLC, Des Plaines, IL
- Sergeant Construction Inc, Tinley Park, IL
- MDM Construction Supply, LLC, Rockford, IL
- Accel Construction Services Group, LLC, Chicago, IL
- JV6 Contracting LLC, Des Plaines, IL
Frequently asked questions
What is Oneill Contractors Inc's CAGE code?
Oneill Contractors Inc's CAGE code is 4US08. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Oneill Contractors Inc's UEI?
Oneill Contractors Inc's Unique Entity ID (UEI) is YPTVJDAFDU97. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Oneill Contractors Inc's SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Oneill Contractors Inc's registration is active through aug 25, 2027. Registrations are renewed every year.
Is Oneill Contractors Inc a small business?
Oneill Contractors Inc is registered on SAM.gov as small under 29 NAICS codes, including its primary code, 236220. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.