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SBA lenders in Oak Brook, IL

SBA 7(a) and 504 loans to businesses in Oak Brook (DuPage County), October 2021 to June 30, 2026 · Updated October 15, 2026
28
SBA loans approved
$29.8M
Total approved
$466,250
Median loan
18
Lenders active
21%
To startups

28 SBA loans worth $29.8M went to businesses in Oak Brook, IL between October 2021 and June 2026, from 18 lenders. Huntington National Bank made the most, 5 loans. The median loan was $466,250, compared with $231,000 across Illinois, and professional and technical services was the most financed industry.

Most active SBA lenders in Oak Brook

#LenderLoansApprovedMedian loanTo startups
1Huntington National Bank
Bank · Columbus, OH
5$1.6M$114,50020%
2Hinsdale Bank & Trust Company
Bank · Hinsdale, IL
3$5.3M$1,471,5000%
3U.S. Bank
Bank · Cincinnati, OH
3$2.6M$532,50033%
4Small Business Growth
Certified development company · Springfield, IL
2$2.0M$996,5000%
5JPMorgan Chase Bank
Bank · Columbus, OH
2$390K$195,0000%
6Live Oak Banking
Bank · Wilmington, NC
1$5.0M$5,000,0000%
7Merchants Bank of Indiana
Bank · Carmel, IN
1$5.0M$5,000,000100%
8Byline Bank
Bank · Chicago, IL
1$2.2M$2,245,000100%
9Busey Bank
Bank · Champaign, IL
1$1.3M$1,320,0000%
10SomerCor 504
Certified development company · Chicago, IL
1$1.3M$1,310,000100%
11Newtek Small Business Finance
Non-bank lender · Lake Success, NY
1$1.2M$1,165,0000%
12Time Bank
Bank · Park Ridge, IL
1$681K$681,0000%
13Bank of America
Bank · Charlotte, NC
1$400K$400,0000%
14CIBM Bank
Bank · Champaign, IL
1$350K$350,000100%
15United Midwest Savings Bank
Bank · Degraff, OH
1$150K$150,0000%
7(a) and 504 lenders combined, ranked by number of loans to businesses in Oak Brook. For 504 loans the lender shown is the certified development company.

What gets financed in Oak Brook

IndustryLoansShareMedian loanMost active lender
Professional and technical services5
18%
$350,000U.S. Bank
Other services (repair, personal care)5
18%
$50,000Northeast Bank
Health care and social assistance5
18%
$997,500Huntington National Bank
Restaurants and hotels3
11%
$3,528,500Hinsdale Bank & Trust Company
Real estate and rental2
7%
$220,000Hinsdale Bank & Trust Company
Administrative and support services2
7%
$250,000Huntington National Bank
Finance and insurance2
7%
$732,500JPMorgan Chase Bank
Construction1
4%
$400,000Bank of America
Loan size mix
  • Under $150,00025%
  • $150,000 to $500,00025%
  • $500,000 to $2 million36%
  • $2 million and up14%
Compared with Illinois
Median loan, Oak Brook
$466,250
Median loan, Illinois
$231,000
Startup share, Oak Brook
21%
Startup share, Illinois
27%
Share of state's SBA loans
0.2%

SBA loans per fiscal year in Oak Brook

071320FY14: 4 loansFY14FY15: 2 loansFY15FY16: 2 loansFY16FY17: 7 loansFY17FY18: 4 loansFY18FY19: 1 loansFY19FY20: 5 loansFY20FY21: 8 loansFY21FY22: 5 loansFY22FY23: 5 loansFY23FY24: 2 loansFY24FY25: 12 loansFY2512FY26 (Oct to Jun): 4 loansFY264
Fiscal year runs October to September. Fiscal 2026 covers October 2025 to June 2026 only.
Data from the U.S. Small Business Administration's public 7(a) and 504 loan records (through June 30, 2026) and FDIC call-report data (quarter ending June 30, 2026). US Lender Metrics is not affiliated with the SBA, FDIC, FFIEC, NCUA or any lender, is not a lender or loan broker, and does not make credit decisions. Information only; not financial, legal or lending advice. © 2026 US Lender Metrics.