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2026 data Public-data reference Official source

Zef Scientific, Inc

45 H-1B petitions, 95.6% certified, $101,052 median salary, FY2023–2026.

San Diego, CA NAICS: 811219

The verdict

Zef Scientific, Inc filed 45 H-1B petitions, more than 96% of U.S. sponsors - certified at 95.6% with a $101,052 median offered wage.

45
H-1B petitions, FY2023–FY2026
95.6%
DOL-certified
$101,052
median offered wage
Top 4%
of sponsors by volume

Based in San Diego, CA. Computed live from U.S. Department of Labor LCA disclosures.

H-1B sponsorship profile: Zef Scientific, Inc. Across U.S. Department of Labor LCA disclosures, Zef Scientific, Inc filed 45 Labor Condition Applications covering 45 H-1B worker positions between fiscal year 2023 and fiscal year 2026. The employer’s DOL certification rate sits at 95.6% (43 certified of 45 filed), a useful proxy for how cleanly their prevailing-wage attestations pass the Labor Department’s preliminary review before USCIS adjudication.

Compensation spread. Offered wages on Zef Scientific, Inc’s H-1B petitions range from $76,357 at the low end to $160,000 at the high end, with a petition-weighted average of $101,052. That range reflects the mix of occupations the company sponsors, led by Service Engineer (41 petitions at $99,700 avg), followed by Senior Service Engineer and Electronics Engineer. H-1B salaries reported on LCAs must meet or exceed the DOL prevailing wage for the role and worksite, so the spread also tracks wage-level geography and seniority.

Geographic footprint. Zef Scientific, Inc is headquartered in San Diego, CA under NAICS code 811219, and places H-1B workers across 10 states, most heavily in CA, MA, DE. Combined, these signals give a granular view of how one employer uses the H-1B program, volume, approval cleanliness, wage posture, and where the jobs actually sit on the map.

Where Zef Scientific, Inc ranks. By H-1B petition volume, Zef Scientific, Inc is #5,149 of 119,880 employers nationally and #756 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.

Certification Rate

95.6%

Avg. Salary

$101,052

Median Salary

$101,052

Total Workers

45

Compare with another sponsor

Zef Scientific, Inc vs a peer vs the national average, from DOL LCA data.

Avg. offered wage$101,052 · 43% lower than Google LLC
This sponsor
Peer
$178,734
National avg.
$112,482
Certification rate95.6% · 3% lower than Google LLC
This sponsor
Peer
98.4%
National avg.
97.7%
Total petitions45 · 100% lower than Google LLC
This sponsor
Peer
30,573
National avg.
16
Filing Growth (FY2023 to FY2026) 15.0%
Wondering how long it takes USCIS to process an H-1B petition for this employer? See current I-129 processing times →

Salary Analysis

Compensation range for H-1B positions at Zef Scientific, Inc

Minimum
$76,357
Maximum
$160,000
Average Salary
$101,052

Wage vs. DOL Minimum

+7.3%

national avg +17.9%

Typical DOL Wage Level

Entry (Level I)

66.7% of petitions

Full-Time Positions

100%

Primary Worksite County

BOSTON CITY, MA

11.1% of petitions

Petition History

H-1B filing trends from FY2023 to FY2026

FY2023 26 petitions · 76.9% certified · $91,212 avg
FY2024 5 petitions · 100% certified · $99,910 avg
FY2025 10 petitions · 100% certified · $117,179 avg

FY2026 is partial data (through Q1). Chart shows completed fiscal years only.

Year Petitions Certified Avg. Salary
FY2023 26 20 $91,212
FY2024 5 5 $99,910
FY2025 10 10 $117,179
FY2026(partial) 4 4 $130,153

Top Occupations

Most frequently sponsored job titles at Zef Scientific, Inc

Job Title Petitions Avg. Salary
Service Engineer 41 $99,700
Senior Service Engineer 3 $115,177
Electronics Engineer 1 $112,749

Geographic Distribution

Where Zef Scientific, Inc places H-1B workers across the United States

CA 15 petitions
MA 9 petitions
DE 6 petitions
MD 5 petitions
IN 3 petitions
PA 2 petitions
NJ 2 petitions
CT 1 petitions
OK 1 petitions
KS 1 petitions

Recent LCA Petitions

Latest H-1B labor condition applications filed by Zef Scientific, Inc

Job Title Location Salary Status Year
Service Engineer Cambridge, MA $140,000 Certified FY2026
Service Engineer Pittsburgh, PA $140,000 Certified FY2026
Service Engineer Rockville, MD $140,000 Certified FY2026
Service Engineer Philadelphia, PA $100,610 Certified FY2026
Service Engineer Newark, DE $84,365 Certified FY2025
Service Engineer Cambridge, MA $110,000 Certified FY2025
Service Engineer San Diego, CA $95,680 Certified FY2025
Service Engineer Newark, DE $98,500 /Week Certified FY2025
Service Engineer Kenilworth, NJ $160,000 Certified FY2025
Service Engineer Frederick, MD $160,000 Certified FY2025
Senior Service Engineer Rocky Hill, CT $125,765 Certified FY2025
Senior Service Engineer Princeton, NJ $125,765 Certified FY2025
Electronics Engineer San Diego, CA $112,749 Certified FY2025
Service Engineer Indianapolis, IN $80,288 Certified FY2025
Service Engineer Tulsa, OK $108,975 Certified FY2024
Service Engineer Stillwell, KS $108,975 Certified FY2024
Service Engineer Baltimore, MD $90,000 Certified FY2024
Service Engineer Boston, MA $90,000 Certified FY2024
Service Engineer Cambridge, MA $101,600 Certified FY2024
Service Engineer Lake Forest, CA $82,000 Certified FY2023
Service Engineer Lake Forest, CA $82,000 Certified - Withdrawn FY2023
Service Engineer San Mateo, CA $145,600 Certified FY2023
Service Engineer Emeryille, CA $145,600 Certified FY2023
Service Engineer Boston, MA $105,000 Certified FY2023
Service Engineer Indianapolis, IN $76,357 Certified FY2023
Service Engineer Newark, CA $98,000 Certified FY2023
Service Engineer Marlborough, MA $100,000 Certified FY2023
Service Engineer Boston, MA $105,000 Certified - Withdrawn FY2023
Service Engineer Indianapolis, IN $76,357 Certified - Withdrawn FY2023
Service Engineer Newark, CA $98,000 Certified - Withdrawn FY2023
Senior Service Engineer La Jolla, CA $94,000 Certified FY2023
Service Engineer Baltimore, MD $85,821 Certified FY2023
Service Engineer Boston, MA $85,821 Certified FY2023
Service Engineer La Jolla, CA $84,718 Certified FY2023
Service Engineer Davis, CA $84,718 Certified FY2023
Service Engineer Davis, CA $84,718 Withdrawn FY2023
Service Engineer Newark, DE $78,000 Certified FY2023
Service Engineer Newark, DE $78,000 Certified FY2023
Service Engineer Baltimore, MD $85,821 Certified FY2023
Service Engineer Boston, MA $85,821 Certified FY2023
Service Engineer La Jolla, CA $84,718 Certified FY2023
Service Engineer Davis, CA $84,718 Certified FY2023
Service Engineer Newark, DE $78,000 Certified FY2023
Service Engineer Newark, DE $78,000 Certified FY2023
Service Engineer Davis, CA $84,718 Withdrawn FY2023

Similar Employers in CA

Other H-1B sponsors based in CA, ranked by petition volume

Compare Zef Scientific, Inc vs Google LLC side-by-side →

Frequently Asked Questions

How many H-1B petitions has Zef Scientific, Inc filed?

Zef Scientific, Inc has filed 45 H-1B LCA petitions covering 45 worker positions from FY2023 to FY2026.

What is the H-1B approval rate for Zef Scientific, Inc?

Zef Scientific, Inc has a 95.6% certification rate, with 43 out of 45 petitions certified.

What is the average H-1B salary at Zef Scientific, Inc?

The average H-1B salary at Zef Scientific, Inc is $101,052. Salaries range from $76,357 to $160,000.

What are the most common H-1B job titles at Zef Scientific, Inc?

The top H-1B job titles at Zef Scientific, Inc include Service Engineer, Senior Service Engineer, Electronics Engineer. The most common position is Service Engineer with 41 petitions at an average salary of $99,700.

Where is Zef Scientific, Inc located?

Zef Scientific, Inc is headquartered in San Diego, CA. Their H-1B workers are distributed across 10 states, with the most positions in CA, MA, DE.

Is Zef Scientific, Inc H-1B dependent?

No, Zef Scientific, Inc is not classified as H-1B dependent.

How has Zef Scientific, Inc's H-1B sponsorship changed over time?

Zef Scientific, Inc filed 26 petitions in FY2023 and 4 in FY2026. Average salary increased from $91,212 to $130,153.

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Data Sources

H-1B visa petition data is sourced from the U.S. Department of Labor (DOL) Labor Condition Application (LCA) disclosure files. Data covers fiscal years 2023 through 2026. Salary figures reflect amounts listed on LCA petitions, not actual compensation paid. Certification of an LCA does not guarantee visa approval.

Source: DOL Foreign Labor Performance Data

Source: U.S. Department of Labor, Office of Foreign Labor Certification, LCA Disclosure Data (FY2023–FY2026)

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Department of Labor LCA disclosure files. Consult a qualified professional before making decisions based on this data.

Every figure on PlainVisa is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.