Metro area · MO

O'fallon, MO

O'fallon, MO is a Professional & Technical Services-heavy labor market: 61 tracked employers at a $126,090 median H-1B wage across 1,338 LCAs.

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61
Employers
$126,090
Median H-1B wage
1,338
H-1B filings

O'fallon, MO: 61 tracked employers at a $126,090 median H-1B wage across 1,338 LCAs; Professional & Technical Services leads the local roster.

According to DOL OFLC H-1B disclosures, OSHA injury logs, and state WARN Act notices mapped to worksites in O'fallon, MO (MO), PlainEmployers rolls up 61 employers at a $126,090 disclosed median with 1 employers carrying WARN history. Use the metro rollup before judging any single local employer profile.

  • 61 employers
  • $126,090 median H-1B
  • 1,338 H-1B LCAs
  • 1 WARN employers

Where O'fallon, MO's median H-1B wage sits nationally

Metro median disclosed wage vs every credible H-1B wage row

$126,090 Top 48% higher than 52% of 272,125 credible H-1B wage rows

$0–$20,000: 1 credible H-1B wage rows (0%). Below this entry. $20,000–$40,000: 401 credible H-1B wage rows (0%). Below this entry. $40,000–$60,000: 7,591 credible H-1B wage rows (3%). Below this entry. $60,000–$80,000: 24,066 credible H-1B wage rows (9%). Below this entry. $80,000–$100,000: 43,829 credible H-1B wage rows (16%). Below this entry. $100,000–$120,000: 49,740 credible H-1B wage rows (18%). Below this entry. $120,000–$140,000: 42,626 credible H-1B wage rows (16%). This entry sits in this band. $140,000–$160,000: 33,306 credible H-1B wage rows (12%). Above this entry. $160,000–$180,000: 22,983 credible H-1B wage rows (8%). Above this entry. $180,000–$200,000: 15,711 credible H-1B wage rows (6%). Above this entry. $200,000–$220,000: 10,825 credible H-1B wage rows (4%). Above this entry. $220,000–$240,000: 6,806 credible H-1B wage rows (3%). Above this entry. $240,000–$260,000: 4,579 credible H-1B wage rows (2%). Above this entry. $260,000–$280,000: 2,975 credible H-1B wage rows (1%). Above this entry. $280,000–$300,000: 1,671 credible H-1B wage rows (1%). Above this entry. $300,000–$320,000: 5,015 credible H-1B wage rows (2%). Above this entry. O'fallon, MO $0 $320,000 every credible H-1B wage row, bucketed by value

Each bar is a $20K-wide band; taller bars hold more credible H-1B wage rows. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source DOL Office of Foreign Labor Certification, H-1B Disclosure Data · August 2026

Metro Labor Presence

O'fallon, MO (61 employers) sits beside St. Louis, MO, Kansas City, MO, Maryland Heights, MO in MO's tracked roster. Open a peer metro to compare H-1B wage and WARN density. Among metros with employers in this corpus, O'fallon, MO ranks #194 of 6906 by employer count (about the 97th percentile).

St. Louis, MO 194 Kansas City, MO 93 Maryland Heights, MO 66 Chesterfield, MO 43 Saint Louis, MO 41 Springfield, MO 31
Top industries Professional & Technical ServicesInformation & MediaRetail TradeFinance & InsuranceManufacturing

What the data says about O'fallon, MO

Corpus placement: O'fallon, MO ranks #194 of 6906 metros by employer count (about the 97th percentile) in this disclosure window. Sector inventory: Professional & Technical Services leads with 27 of 61 tracked employers (~44%); next sectors in the mix are Manufacturing and Arts & Entertainment. Largest H-1B sponsors mapped here: Citibank, N.A., Mastercard Technologies, LLC, and Qualcomm Incorporated (948 filings combined, ~71% of the metro total). Evidence tracks present for O'fallon, MO: DOL H-1B disclosure filings; OSHA Injury Tracking Application records; state WARN Act layoff notices, including 1 employers with WARN history.

Headline sponsors: Citibank, N.A., Mastercard Technologies, LLC, and Qualcomm Incorporated, together 948 H-1B filings in our dataset. Each links to a full profile with OSHA safety grade, WARN layoff history, and salary breakdown.

O'fallon, MO reads as a concentrated labor market: Professional & Technical Services alone covers about 44% of tracked employers, so wage and safety benchmarks here are heavily shaped by that sector.

Citibank, N.A. plus Mastercard Technologies, LLC account for about 71% of O'fallon, MO's H-1B filings in this corpus, so local wage medians are sensitive to those sponsors' role mix.

Among employers with a worksite mapped to O'fallon, MO, 1 carry WARN Act history (56 notices, about 5,836 workers named across credible filings). That is a local stability signal separate from H-1B hiring volume.

Same-state context for O'fallon, MO: St. Louis, MO (194 employers); Kansas City, MO (93 employers); Maryland Heights, MO (66 employers). Employer-count gaps between these metros are why a wage offer that looks high in one city can look ordinary in another.

WARN layoff activity in O'fallon, MO

1 tracked employer with a worksite here have filed 56 WARN notices , naming about 5,836 workers across credible records. Compare those employers' profiles before treating any local offer as stable; see largest WARN layoffs for corpus-wide notices.

Top employers in O'fallon, MO

#EmployerH-1B filingsMedian wage
1Citibank, N.A.573$158,044
2Mastercard Technologies, LLCFinance & Insurance313$132,000
3Qualcomm IncorporatedManufacturing62$120,037
4Lorhan CORPORATION INC.Professional & Technical Services44$98,301
5LinQ Global Group LLC33$124,592
6Zenith Infotek, LLCProfessional & Technical Services24$95,202
7Opus Technologies, INC.Professional & Technical Services21$133,004
8Xl Softek INC.Professional & Technical Services19$101,192
9PROLIM Consulting IncProfessional & Technical Services18$140,000
10Neumeric Technologies CORPORATIONProfessional & Technical Services18$110,000
11Vaakruthi Solutions INCProfessional & Technical Services17$114,400
12Saligram Systems, INCProfessional & Technical Services15$96,679
13Mobile Programming, LLCProfessional & Technical Services14$141,400
14Trebecon LLCProfessional & Technical Services13$95,088
15High Quartile, LLCProfessional & Technical Services13$115,000
16Savvas Learning Company LLCEducational Services13$155,000
17K Tek Soft INCProfessional & Technical Services11$101,421
18Reliant Vision Group INC.Professional & Technical Services11$93,704
19Hps Software Solutions, INC.Professional & Technical Services10$76,500
206com, INC.Professional & Technical Services10$102,501
21Sasvi Technologies LLCProfessional & Technical Services9$82,389
22Aceable IT LLCProfessional & Technical Services8$101,740
23Vertraus IncProfessional & Technical Services8$90,896
24Tekstrom INC.Professional & Technical Services7$114,250
25Ethoca LLCProfessional & Technical Services7$114,754
Sources, citation, and related links for O'fallon, MO

Disclaimer: The O'fallon, MO overview is informational only and is not professional advice. Consult a qualified professional before employment, hiring, or compliance decisions based on this data.

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PlainEmployers renders O'fallon, MO from DOL H-1B disclosure filings, OSHA Injury Tracking Application records and state WARN Act layoff notices, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.