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Zef Scientific, Inc.

Exact employer profile · All loaded years

Matching filings98

Median yearly base wage$98,132n=88 eligible

Middle 50% of yearly wages$82,000 – $120,670

Most reported worksiteLake Forest, CA11 matching filings

Explore this companyMost reported roleService Engineer Top worksiteLake Forest Individual recordsInspect dates & base salaries

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Salary records

98 matching H-1B filings

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Reported base wages in USD · pay period shown beside each amount · select a salary for case details

Employer	Job title	Base salary	Location	Submit date	Start date
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26141-935549 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-05-29 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	New Haven, CT	05/21/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26120-855262 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-05-07 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Watertown, MA	04/30/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26120-855686 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-05-07 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Lexington, MA	04/30/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26120-855946 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-05-07 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Boston, MA	04/30/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $96,096 /yr I-200-26112-819679 Reported wage: $96,096 / year Annualized: $96,096 Status: Certified Fiscal year: 2026 Decision: 2026-04-29 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Lake Forest, CA	04/22/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26096-758247 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-04-13 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Boston, MA	04/06/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26096-758288 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-04-13 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Lexington, MA	04/06/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $130,000 /yr I-200-26096-758292 Reported wage: $130,000 / year Annualized: $130,000 Status: Certified Fiscal year: 2026 Decision: 2026-04-13 Employment end: 2029-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Watertown, MA	04/06/2026	10/01/2026
Zef Scientific, Inc.	Service Engineer	Filing details $108,160 /yr I-200-26062-675116 Reported wage: $108,160 / year Annualized: $108,160 Status: Certified Fiscal year: 2026 Decision: 2026-03-09 Employment end: 2029-03-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Cambridge, MA	03/02/2026	03/15/2026
Zef Scientific, Inc.	Service Engineer	Filing details $108,160 /yr I-200-26037-623890 Reported wage: $108,160 / year Annualized: $108,160 Status: Certified Fiscal year: 2026 Decision: 2026-02-13 Employment end: 2029-03-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Woburn, MA	02/06/2026	03/15/2026
Zef Scientific, Inc.	Service Engineer	Filing details $140,000 /yr I-200-25337-455142 Reported wage: $140,000 / year Annualized: $140,000 Status: Certified Fiscal year: 2026 Decision: 2025-12-10 Employment end: 2028-12-19 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Cambridge, MA	12/03/2025	12/20/2025
Zef Scientific, Inc.	Service Engineer	Filing details $140,000 /yr I-200-25327-431317 Reported wage: $140,000 / year Annualized: $140,000 Status: Certified Fiscal year: 2026 Decision: 2025-12-01 Employment end: 2028-12-19 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Pittsburgh, PA	11/23/2025	12/20/2025
Zef Scientific, Inc.	Service Engineer	Filing details $140,000 /yr I-200-25316-402666 Reported wage: $140,000 / year Annualized: $140,000 Status: Certified Fiscal year: 2026 Decision: 2025-11-19 Employment end: 2028-12-19 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Rockville, MD	11/12/2025	12/20/2025
Zef Scientific, Inc.	Service Engineer	Filing details $100,610 /yr I-200-25273-346272 Reported wage: $100,610 / year Annualized: $100,610 Status: Certified Fiscal year: 2026 Decision: 2025-11-07 Employment end: 2028-12-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Philadelphia, PA	09/30/2025	12/15/2025
Zef Scientific, Inc.	Service Engineer	Filing details $84,364.8 /yr I-200-25202-187370 Reported wage: $84,364.8 / year Annualized: $84,365 Status: Certified Fiscal year: 2025 Decision: 2025-07-25 Employment end: 2028-10-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Newark, DE	07/20/2025	11/01/2025
Zef Scientific, Inc.	Service Engineer	Filing details $110,000 /yr I-200-25168-103038 Reported wage: $110,000 / year Annualized: $110,000 Status: Certified Fiscal year: 2025 Decision: 2025-06-25 Employment end: 2028-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Cambridge, MA	06/17/2025	10/01/2025
Zef Scientific, Inc.	Service Engineer	Filing details $95,680 /yr I-200-25168-104182 Reported wage: $95,680 / year Annualized: $95,680 Status: Certified Fiscal year: 2025 Decision: 2025-06-25 Employment end: 2028-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	San Diego, CA	06/17/2025	10/01/2025
Zef Scientific, Inc.	Service Engineer	Filing details $98,500 per bi-weekly I-200-25149-031580 Reported wage: $98,500 / bi-weekly Annualized: $2,561,000 Status: Certified Fiscal year: 2025 Decision: 2025-06-05 Employment end: 2028-07-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Newark, DE	05/29/2025	07/15/2025
Zef Scientific, Inc.	Service Engineer	Filing details $160,000 /yr I-200-25136-985806 Reported wage: $160,000 / year Annualized: $160,000 Status: Certified Fiscal year: 2025 Decision: 2025-05-23 Employment end: 2028-09-18 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Frederick, MD	05/16/2025	09/19/2025
Zef Scientific, Inc.	Service Engineer	Filing details $160,000 /yr I-200-25136-986619 Reported wage: $160,000 / year Annualized: $160,000 Status: Certified Fiscal year: 2025 Decision: 2025-05-23 Employment end: 2028-09-18 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Kenilworth, NJ	05/16/2025	09/19/2025
Zef Scientific, Inc.	Senior Service Engineer	Filing details $125,765.02 /yr I-200-25086-808402 Reported wage: $125,765.02 / year Annualized: $125,765 Status: Certified Fiscal year: 2025 Decision: 2025-04-03 Employment end: 2028-09-19 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Princeton, NJ	03/27/2025	09/20/2025
Zef Scientific, Inc.	Senior Service Engineer	Filing details $125,765.02 /yr I-200-25086-808665 Reported wage: $125,765.02 / year Annualized: $125,765 Status: Certified Fiscal year: 2025 Decision: 2025-04-03 Employment end: 2028-09-19 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Rocky Hill, CT	03/27/2025	09/20/2025
Zef Scientific, Inc.	Electronics Engineer	Filing details $112,748.92 /yr I-200-24288-404901 Reported wage: $112,748.92 / year Annualized: $112,749 Status: Certified Fiscal year: 2025 Decision: 2024-10-21 Employment end: 2028-04-07 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	San Diego, CA	10/14/2024	04/08/2025
Zef Scientific, Inc.	Service Engineer	Filing details $80,288 /yr I-200-24275-378257 Reported wage: $80,288 / year Annualized: $80,288 Status: Certified Fiscal year: 2025 Decision: 2024-10-08 Employment end: 2027-12-14 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Indianapolis, IN	10/01/2024	12/15/2024
Zef Scientific, Inc.	Service Engineer	Filing details $108,974.94 /yr I-200-24216-242958 Reported wage: $108,974.94 / year Annualized: $108,975 Status: Certified Fiscal year: 2024 Decision: 2024-08-09 Employment end: 2027-09-30 Worker positions: 1 Employer-reported disclosure · Base wage, not total compensation.	Tulsa, OK	08/02/2024	10/01/2024

Showing 1–25 of 98

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About Zef Scientific, Inc. H-1B salary records

This view contains 98 matching filings across all loaded fiscal years. The median reported yearly base wage is $98,132, based on 88 certified filings with positive yearly pay. These are filing-level observations, not unique employees or total compensation.

Read each filing in context.

Base wages preserve the disclosed pay period. Select a salary to see its case status, dates, worker positions, and annualized estimate. Salary charts use certified, positive yearly base wages; LCAs are not visa approvals. Subsidiaries and previous legal names have separate profiles. Methodology & coverage ↗

THE BIG PICTURE

Zef Scientific, Inc. insights

Official U.S. DOL records

Filing & salary trends

How reported activity and wages changed over time

All loaded years · FY 2016–2026

FY 2026*14 filings$130,000 median · n=14

*FY 2026 covers Q1–Q3 through June; earlier years cover full fiscal years. Median: certified, positive yearly base wages; nominal USD.

Salary distribution

Where reported yearly base wages concentrate

All loaded years · FY 2016–2026

$75k–$100kMost common wage band

$0$125k$250k+

$25k bands · 88 certified filings with positive yearly wages. Final band includes all wages ≥$250k.

Salary ranges by role

Which common roles report higher base wages?

All loaded years · FY 2016–2026

Service Engineer$90,580 median

Typical range: $80,691–$109,74462 salary records

$0$62,500$125,000

Up to six of the eight most-filed roles, ordered by median pay. At least 20 certified, positive yearly wages per group. Bars compare median yearly base salary from a zero baseline. Typical range contains the middle 50% of wages. Click a group to inspect its filings.

Salary ranges by city

How does reported pay differ across common worksites?

All loaded years · FY 2016–2026

Not enough eligible records to compare groups. Each group needs at least 20.

Up to six of the eight most-filed worksites, ordered by median pay. At least 20 certified, positive yearly wages per group. Bars compare median yearly base salary from a zero baseline. Typical range contains the middle 50% of wages. Click a group to inspect its filings.

Case outcomes

Certification and withdrawal context

All loaded years · FY 2016–2026

90.8%Certified LCAs

Certified89 90.8%

Certified - Withdrawn5 5.1%

Withdrawn3 3.1%

Denied1 1.0%

Denominator: all 98 matching filings. LCA certification is not a visa approval rate.

Salary benchmarks

Reported wage percentiles, from P10 to P90

All loaded years · FY 2016–2026

$98,132Median reported annual base wage

10th percentile$76,807

25th percentile$82,000

Median (50th)$98,132

75th percentile$120,670

90th percentile$131,017

n=88 certified filings with positive yearly wages. Percentiles describe filings, not unique workers or total compensation.

Source: U.S. Department of Labor LCA disclosures · FY 2016–2026 (FY 2026 partial) · salary charts exclude non-yearly pay, non-certified cases, and missing or non-positive wages. Coverage & methodology