Certification Rate
95.6%
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.
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
Zef Scientific, Inc vs a peer vs the national average, from DOL LCA data.
Compensation range for H-1B positions at Zef Scientific, Inc
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
H-1B filing trends from FY2023 to FY2026
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 |
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 |
Where Zef Scientific, Inc places H-1B workers across the United States
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 |
Other H-1B sponsors based in CA, ranked by petition volume
Essential resources for understanding H-1B visa sponsorship
Step-by-step guide from LCA filing to work authorization
Understanding prevailing wage levels I through IV
How to read and interpret DOL LCA disclosure data
Compare salaries by occupation, state, and wage level
Zef Scientific, Inc has filed 45 H-1B LCA petitions covering 45 worker positions from FY2023 to FY2026.
Zef Scientific, Inc has a 95.6% certification rate, with 43 out of 45 petitions certified.
The average H-1B salary at Zef Scientific, Inc is $101,052. Salaries range from $76,357 to $160,000.
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.
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.
No, Zef Scientific, Inc is not classified as H-1B dependent.
Zef Scientific, Inc filed 26 petitions in FY2023 and 4 in FY2026. Average salary increased from $91,212 to $130,153.
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.
Read our methodology , how this data is sourced, computed, and verified.
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.