Safety and Sustainability are Driving Principles of the Business

ONeill Contractors is an 8(a) certified, WOSB, SDVOSB Small Business general contractor headquartered in Glenview, IL with a satellite office in the DC Metropolitan Area. ONeill Contractors offers a broad range of construction services including: Design Build, Interior/Exterior Renovations, Historical Restorations, SCIFS, Architectural, Mechanical, and Electrical Upgrades, Labs, and Clinical Space, Roofing, Energy Retrofits, Window Repair/Replacement, and Façade Renovations, Demolition, Modular, Life Safety, and much more.

With multiple small business certifications to meet procurement goals, broad capabilities, and proven past performance, ONeill Contractors, delivers turnkey Federal construction and building envelope solutions to Federal agencies.

Safety and sustainability are driving principles of the business.

These driving principles are reflected in an incident-free safety record, a focus on environmentally-friendly systems, and restoration solutions whenever possible.  Roof management services include restoration, replacement, preventive maintenance repairs and professional assessments.

ONeill Contractors is also committed to employing and advancing the professional skills of Veterans who bring a distinct discipline and team orientation to the Federal construction industry.  

ONeill Contractors personnel also have extensive experience with the following agencies: GSA, NAVFAC, USACE, DEPT OF VETERANS AFFAIRS, FAA, NPS, NIST, DOL, Smithsonian, VA, and Air Force.



Customer Contract Value Project
GSA $2,210,926 Garmatz Federal Courthouse
This 24,283 SF roof replacement project was set in a downtown urban environment that required the installation of roof top scaffold and cable hoist system for the transfer of material and debris. Active courtrooms were below and some weekend work coordination as necessary.
US Coast Guard $69,980 Project consisted of replacing 36 existing taxiway elevated light fixtures and associated isolation transformer and 4,200 LF of existing wires. Work was sequenced to minimize disruption to the station and air traffic.
U.S. Air Force $2,262,420 Roof inspections and maintenance work at Andrews Air Force Base. Work consisted of a wide variety of roof types and buildings including Air Force One hangar. Work was performed in a high-security environment.
US Coast Guard $940,350 Project consisted of replacing the underground potable water lines at Coast Guard Station in Sturgeon Bay, WI. Work included installation of a new well, refurbishing mechanical room, installing a new water treatment system, removal of two underground LP tanks, installing 2 above-ground LP tanks, replacement of interior water lines and installation of a diesel-powered standby generator
NAVFAC $493,493 Chiller Replacement Project
USACE Modular Office Building
NAVFAC $2,554,926 Sanitary Line Replacement at Great Lakes Naval Base
NAVFAC $363,329 HVAC Replacement
GSA $2,007,237 Elevator Upgrade Project
This design-build project includes the replacement of the existing fire alarm system, public address system, and the nurse call system throughout the medical clinic. Additionally, the project included the provision of area Radiation Detectors at fixed points throughout the facility. The Medical Clinic was fully operational during the work process. (This project is on-going with completion scheduled for July 2018).
The Calumet Harbor & River Storage Design-Build Project involved the construction of a 4000 square foot prefabricated building; installation of various security measures; connection of the plumbing/water, installation of the electric and sanitary utilities; improvements to the gravel access road and construction of a gravel driveway and parking area.
This project was for the Department of Veterans Affairs Cemetery Division regarding construction of an Honor Guard Building at Great Lakes National Cemetery located in Holly, Michigan. The project scope included new construction and septic field installation, foundation, brick building with stone details, standing seam metal roof, paved parking, exterior lands
VA $2,640,000 Hines VA Hospital Building 1 Roof Replacement, Hines, IL
USACE $1,015,000 Fish Barrier IIB Roof Replacement, Romeoville, IL
VA $669,823 Seattle VA Hospital Building 100 Roof Replacement, Seattle, WA
GSA $273,649 Seattle Federal Building Roof Replacement, Seattle, WA


› Service Disabled Veteran-Owned Small Business (SDVOSB)
› SBA 8(a) Small Disadvantaged Business
› Woman-Owned Small Business (WOSB)
› Disadvantage Business Enterprise (DBE)
› Economically Disadvantaged Woman Owned Small Business (EDWOSB)
› US Business Leadership Network (USBLN)


› Bonding Capacity: $10M per project / $20M aggregate
› DUNS Number: 806332172
› Cage Code: 4US08
› EMR: .91
› SBA BOS: Rosalyn Putman
Direct: 312.353.5067,
› NAICS Codes: 236210, 236220*, 237110, 237120, 237130, 237310, 237990, 238110, 238120, 238140, 238160*, 238170, 238190, 238210, 238220, 238290, 238310, 238320, 238330, 238340, 238350, 238390, 238910, 238990, 321918, 532120, 532490, 541350, 561210