IDOT Subcontractor Registration #18523 — Effective May 15, 2024 — Authorized to perform work on roads and bridges throughout the State of Illinois.
Licensed GC · SDVOSB Certified · SAM.gov Active · 20+ Years Illinois Construction Experience

(XRB) Construction Services, LLC holds an active Illinois Department of Transportation Subcontractor Registration — Registration Number 18523 — authorizing the firm to perform construction work on roads and bridges throughout the State of Illinois. This registration was issued by IDOT effective May 15, 2024 and positions (XRB) as an eligible, verified subcontractor for IDOT-administered highway and bridge construction projects statewide. Federal law requires IDOT to maintain a registry of all subcontractors performing work on department projects — (XRB) is on that registry. Prime contractors seeking a licensed, credentialed, and IDOT-registered subcontractor for Illinois transportation infrastructure work will find in (XRB) a firm with over 20 years of licensed construction experience, an active SDVOSB designation, and a proven record of performing complex multi-scope construction correctly and completely.
Illinois Department of Transportation
Subcontractor
Registration
Est. 2024
This Registration Authorizes
(XRB) Construction Services LLC
To Perform Work on Roads and Bridges
Throughout the State of Illinois.
Registration Number
18523
Effective Date
May 15, 2024
Verify at: idot.illinois.gov
Building a Better Illinois
The Illinois Department of Transportation maintains a mandatory registry of all subcontractors performing work on IDOT-administered construction projects under federal law. Registration is required before any subcontractor can be approved by an IDOT district to perform work on a state highway or bridge project. IDOT Subcontractor Registration is distinct from IDOT prequalification — it specifically authorizes a firm to perform subcontract work on roads and bridges throughout Illinois under prime contractors holding IDOT construction contracts.
Before subcontractors can be formally approved on an IDOT project, prime contractors must submit Financial Disclosures and Subcontractor Certification through IDOT's Vendor Documents system for subcontracts valued at $100,000 or greater. (XRB) Construction Services, LLC is registered and ready to be designated on eligible IDOT projects statewide.
IDOT Subcontractor Information → idot.illinois.gov(XRB) holds a City of Chicago Licensed General Contractor designation — Class A — and a State of Illinois IDFPR Licensed Roofing Contractor — UNLIMITED classification. Our licensed scope covers the full range of construction activities relevant to road and bridge infrastructure projects — including masonry, concrete, structural work, roofing, demolition, and site preparation. One registered subcontractor covering multiple licensed scopes.
(XRB) Construction Services, LLC is a verified Service-Disabled Veteran-Owned Small Business with active SAM.gov registration — CAGE Code 6ZF30. Illinois actively encourages participation of veteran-owned businesses in state transportation contracts. IDOT sets diversity participation goals on many projects — (XRB)'s SDVOSB designation directly supports prime contractors in meeting those participation targets.
Since 2003 (XRB) has executed over 300 construction projects across Chicago and Illinois — including demolition, masonry, concrete, roofing, structural repair, and infrastructure-related construction. Our principals hold federal acquisition certifications including Advanced COR Level 2 and understand government contract compliance requirements from the inside.
(XRB) performs poured concrete foundations, flatwork, structural concrete, masonry construction, and masonry repair under our Class A General Contractor License. Concrete and masonry work is among the most common subcontract scopes on Illinois road and bridge construction projects — including bridge deck work, retaining walls, concrete barriers, and infrastructure masonry.
(XRB) holds City of Chicago Class D Demolition Authority and executes full building and structure demolition, selective demolition, and site preparation as standalone scopes. Site clearance and demolition are frequently required components of Illinois highway improvement and bridge replacement projects.
As a State of Illinois IDFPR Licensed Roofing Contractor — UNLIMITED — (XRB) performs commercial and industrial roofing and waterproofing across all system types. Infrastructure facilities including maintenance buildings, toll plazas, equipment facilities, and transportation authority structures require licensed roofing and waterproofing services from IDOT-registered contractors.
(XRB) performs structural masonry restoration, concrete repair, tuck-pointing, lintel replacement, and facade restoration on buildings and infrastructure structures. Bridge abutment masonry, retaining wall restoration, and structural concrete repair fall within our licensed construction capability.
Under our Class A General Contractor License (XRB) manages general construction, renovation, and build-out scopes relevant to transportation facility projects — including maintenance facilities, administrative buildings, equipment storage structures, and ancillary transportation infrastructure.
(XRB) is registered on the SAM.gov Disaster Response Registry — Active. Emergency construction response — including emergency demolition, emergency structural stabilization, and emergency roofing — aligns with IDOT's need for rapid-response registered subcontractors on incident-driven infrastructure projects.
The State of Illinois and the Illinois Department of Transportation actively encourage participation of Disadvantaged Business Enterprises, veteran-owned businesses, and Service-Disabled Veteran-Owned Small Businesses on state transportation contracts. Prime contractors on IDOT projects are frequently required to meet DBE and veteran business participation goals as a condition of their contract. (XRB) Construction Services, LLC — as a verified SDVOSB with active SAM.gov registration and an Illinois IDOT Subcontractor Registration — directly supports prime contractors in meeting these participation requirements while delivering licensed, experienced, and credentialed construction performance on the project. We are not a diversity placeholder. We are a 20-year licensed construction firm that also happens to be a verified veteran-owned small business.
Attention Prime Contractors
(XRB) Construction Services, LLC is ready to be designated. We are IDOT registered under Registration #18523 effective May 15, 2024. We hold a City of Chicago Class A General Contractor License, a State of Illinois UNLIMITED Roofing License, and an active SDVOSB SAM.gov registration — CAGE Code 6ZF30. We understand IDOT's subcontractor certification and financial disclosure requirements through IDOT's Vendor Documents system. Contact our project team to discuss subcontract scope, pricing, and designation paperwork.
IDOT Subcontractor Registration #18523
Active — Effective May 15, 2024
City of Chicago Licensed General Contractor
Class A — License #TGC065100
State of Illinois IDFPR Licensed Roofing Contractor
UNLIMITED — License #104.020288
City of Chicago Licensed Permit Expediter
License #2374317
SDVOSB — SAM.gov Active
CAGE Code 6ZF30 — All Awards
SAM.gov Disaster Response Registry
Active
Licensed & Operating Since 2003
Over 20 Years
300+ Completed Construction Projects
Chicago & Illinois
Bilingual
English & Spanish
Regulatory Context
IDOT subcontractor registration is governed by Title 44 Illinois Administrative Code Section 650 — the Rules for Prequalification of Contractors, Authorization to Bid, and Subcontractor Registrations — implementing Section 4-103 of the Illinois Highway Code (605 ILCS 5/4-103). Subcontractor registration authorizes (XRB) Construction Services, LLC to be approved by IDOT districts and designated on IDOT construction contracts in accordance with Article 108.01 of IDOT's Standard Specifications for Road and Bridge Construction. All subcontract approvals on projects with subcontract values of $100,000 or greater require prime contractors to submit Financial Disclosures and Subcontractor Certification through IDOT's Vendor Documents system.
IDOT Prequalification & Registration → idot.illinois.govComplete the form below and our IDOT project team will respond within one business day.
Illinois Department of Transportation Subcontractor Registration #18523 — (XRB) Construction Services, LLC — Serving Illinois Since 2003