H1B Atlas

H-1B LCA Filing Activity in Oak Brook, IL

Public filing and salary evidence for Oak Brook. LCA FY2024-FY2026 · PERM FY2024-FY2025 · USCIS Employer Data Hub 2023 · BLS OEWS May 2023.

Updated 2026-05-23

Oak Brook, IL appears in the available FY2024-FY2026 LCA dataset with 110 worksite filing records, an active pattern relative to other U.S. cities tracked here. The median filed base wage is $131,950, with a P25 to P75 band of $98,505 to $138,375, useful as a public anchor when reviewing offers or peer comparisons. Filing activity is most concentrated among employers such as CNH Industrial America LLC, The Chamberlain Group LLC, and L&T Technology Services Limited, and across roles including Mechanical Engineer, Software Developer, and Senior Data Engineer. These are public LCA worksite filings, not visa approvals, hires, or open roles, and the figures generally exclude equity, bonus, and benefits.

Median Salary

$131,950

H-1B LCA Filings

110LCA records

P75 Salary

$138,375
LCA filings are not visa approvals or open roles — see why this matters
Public filing data is normalized for browsing. LCA filings are not visa approvals or job openings, PERM filings are not individual green-card success rates, and salary figures generally use the lower bound of filed wage ranges and exclude equity, bonus, and benefits.

Local Filing Pattern

Oak Brook, IL shows active H-1B LCA worksite filing activity in the available public dataset, with 110 LCA records. These records are worksite filings, not visa approvals, hires, or local job openings.

Employer Mix

The largest employer filing clusters in this city include CNH Industrial America LLC, The Chamberlain Group LLC, L&T Technology Services Limited, Axiom Group LLC, and Hub Group, Inc.. This is a descriptive filing mix based on public records, not an endorsement or current recruiting signal.

Role Mix

Common filed roles in this city include Mechanical Engineer, Software Developer, Senior Data Engineer, Senior Software Engineer, and Manager JC50 - Computer Systems Engineers/Architects. Role concentration can shift by employer, seniority, and worksite reporting practices.

Salary Caveat

The city median filed base wage is $131,950. It reflects public LCA wage evidence for worksites in Oak Brook, and generally excludes equity, bonus, benefits, and later compensation changes.

Top Employers by LCA Filings in Oak Brook

Top Roles by LCA Filings

Frequently Asked Questions

What is the median filed H-1B LCA wage in Oak Brook, IL?
The median filed base salary for H-1B LCA records in Oak Brook is $131,950.
How many H-1B LCA filings are in Oak Brook, IL?
There are 110 H-1B Labor Condition Applications filed in Oak Brook.
Which employers file H-1B LCAs in Oak Brook, IL?
The top employers filing H-1B LCAs in Oak Brook include: CNH Industrial America LLC, The Chamberlain Group LLC, L&T Technology Services Limited.
What are the most common H-1B LCA roles in Oak Brook, IL?
The most common H-1B LCA roles in Oak Brook include: Mechanical Engineer, Software Developer, Senior Data Engineer.

Related H-1B pages

Parent state hub

IL state hub

110 LCA filings
$131,950 median wage
Related city in IL

Chicago, IL

5,191 LCA filings
$142,500 median wage
Related city in IL

Naperville, IL

481 LCA filings
$140,000 median wage
Related city in IL

Riverwoods, IL

448 LCA filings
$133,182 median wage
Related city in IL

Schaumburg, IL

366 LCA filings
$130,000 median wage
Employer in this city

CNH Industrial America LLC

18 LCA filings
$136,018 median wage
Employer in this city

The Chamberlain Group LLC

11 LCA filings
$164,790 median wage
Employer in this city

L&T Technology Services Limited

9 LCA filings
$88,088 median wage