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2026 data Public-data reference Official source

Heirloom Carbon Technologies, Inc

29 H-1B petitions, 96.6% certified, $150,727 median salary, FY2023–2026.

Brisbane, CA NAICS: 54171

The verdict

Heirloom Carbon Technologies, Inc filed 29 H-1B petitions, more than 94% of U.S. sponsors - certified at 96.6% with a $150,727 median offered wage.

29
H-1B petitions, FY2023–FY2026
96.6%
DOL-certified
$150,727
median offered wage
Top 6%
of sponsors by volume

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

H-1B sponsorship profile: Heirloom Carbon Technologies, Inc. Across U.S. Department of Labor LCA disclosures, Heirloom Carbon Technologies, Inc filed 29 Labor Condition Applications covering 29 H-1B worker positions between fiscal year 2023 and fiscal year 2026. The employer’s DOL certification rate sits at 96.6% (28 certified of 29 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 Heirloom Carbon Technologies, Inc’s H-1B petitions range from $105,955 at the low end to $220,000 at the high end, with a petition-weighted average of $150,727. That range reflects the mix of occupations the company sponsors, led by Process Development Engineer (3 petitions at $121,610 avg), followed by HEAD OF SUPPLY CHAIN and Sr. Controls Project 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. Heirloom Carbon Technologies, Inc is headquartered in Brisbane, CA under NAICS code 54171, and places H-1B workers across 2 states, most heavily in CA, TN. 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 Heirloom Carbon Technologies, Inc ranks. By H-1B petition volume, Heirloom Carbon Technologies, Inc is #7,551 of 119,880 employers nationally and #1,096 of 22,893 employers headquartered in CA. Both ranks are computed live from the same underlying petition counts, not a separate estimate.

Certification Rate

96.6%

Avg. Salary

$150,727

Median Salary

$150,727

Total Workers

29

Compare with another sponsor

Heirloom Carbon Technologies, Inc vs a peer vs the national average, from DOL LCA data.

Avg. offered wage$150,727 · 16% lower than Google LLC
This sponsor
Peer
$178,734
National avg.
$112,482
Certification rate96.6% · 2% lower than Google LLC
This sponsor
Peer
98.4%
National avg.
97.7%
Total petitions29 · 100% lower than Google LLC
This sponsor
Peer
30,573
National avg.
16
Filing Growth (FY2023 to FY2026) 20.0%
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 Heirloom Carbon Technologies, Inc

Minimum
$105,955
Maximum
$220,000
Average Salary
$150,727

Wage vs. DOL Minimum

+7.1%

national avg +17.9%

Typical DOL Wage Level

Fully Competent (Level IV)

44.8% of petitions

Full-Time Positions

100%

Primary Worksite County

SAN MATEO, CA

86.2% of petitions

Petition History

H-1B filing trends from FY2023 to FY2026

FY2023 5 petitions · 100% certified · $187,781 avg
FY2024 11 petitions · 63.6% certified · $143,913 avg
FY2025 12 petitions · 83.3% certified · $142,922 avg

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

Year Petitions Certified Avg. Salary
FY2023 5 5 $187,781
FY2024 11 7 $143,913
FY2025 12 10 $142,922
FY2026(partial) 1 1 $134,056

Top Occupations

Most frequently sponsored job titles at Heirloom Carbon Technologies, Inc

Job Title Petitions Avg. Salary
Process Development Engineer 3 $121,610
HEAD OF SUPPLY CHAIN 3 $220,000
Sr. Controls Project Engineer 2 $168,480
Senior Process Development Engineer - Data Science 2 $183,310
Senior PLM Solutions Engineer 2 $140,078
Controls Project Engineer 2 $127,234
Controls Engineer 2 $127,234
Staff Process Engineer, Plant Design 1 $155,750
Sr. Modeling and Simulation Engineer 1 $142,854
Senior Process Development Engineer 1 $137,093
Senior Mechanical Engineer Manager, Scaled Systems 1 $166,878
Senior Electrical Engineer 1 $134,160
Senior Controls Project Engineer 1 $134,056
Senior Controls Engineer 1 $128,690
Scientist, Modeling and Simulation Engineer 1 $114,546

Geographic Distribution

Where Heirloom Carbon Technologies, Inc places H-1B workers across the United States

CA 28 petitions
TN 1 petitions

Recent LCA Petitions

Latest H-1B labor condition applications filed by Heirloom Carbon Technologies, Inc

Job Title Location Salary Status Year
Senior Controls Project Engineer Brisbane, CA $134,056 Certified FY2026
Senior Electrical Engineer Smyrna, TN $134,160 Certified FY2025
Process Development Engineer Brisbane, CA $105,955 Certified FY2025
Senior Mechanical Engineer Manager, Scaled Systems Brisbane, CA $166,878 Certified FY2025
Sr. Modeling and Simulation Engineer Brisbane, CA $142,854 Certified FY2025
Staff Process Engineer, Plant Design Brisbane, CA $155,750 Certified FY2025
Mechanical Design Engineer Tracy, CA $126,568 Certified FY2025
Senior Process Development Engineer Brisbane, CA $137,093 Certified FY2025
Sr. Controls Project Engineer Brisbane, CA $168,480 Certified - Withdrawn FY2025
Senior PLM Solutions Engineer Brisbane, CA $139,589 Certified FY2025
Senior PLM Solutions Engineer Brisbane, CA $140,566 Withdrawn FY2025
Sr. Controls Project Engineer Brisbane, CA $168,480 Certified FY2025
Senior Controls Engineer Brisbane, CA $128,690 Certified FY2025
Controls Engineer Brisbane, CA $127,234 Certified - Withdrawn FY2024
Project Engineer Brisbane, CA $137,301 Certified - Withdrawn FY2024
Controls Project Engineer Brisbane, CA $127,234 Certified FY2024
Mechanical Design Manager, Components Brisbane, CA $160,077 Certified FY2024
HEAD OF SUPPLY CHAIN BRISBANE, CA $220,000 Certified - Withdrawn FY2024
Senior Process Development Engineer - Data Science Brisbane, CA $183,310 Certified - Withdrawn FY2024
Process Development Engineer Brisbane, CA $140,046 Certified FY2024
Process Development Engineer Brisbane, CA $118,830 Certified FY2024
Scientist, Modeling and Simulation Engineer Brisbane, CA $114,546 Certified FY2024
Controls Engineer Brisbane, CA $127,234 Certified FY2024
Controls Project Engineer Brisbane, CA $127,234 Certified FY2024
Senior Process Development Engineer - Data Science Brisbane, CA $183,310 Certified FY2023
MECHANICAL DESIGN MANAGER, COMPONENTS BRISBANE, CA $148,096 Certified FY2023
SENIOR CONTROLS PROJECT ENGINEER BRISBANE, CA $167,500 Certified FY2023
HEAD OF SUPPLY CHAIN BRISBANE, CA $220,000 Certified FY2023
HEAD OF SUPPLY CHAIN BRISBANE, CA $220,000 Certified FY2023

Similar Employers in CA

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

Compare Heirloom Carbon Technologies, Inc vs Google LLC side-by-side →

Frequently Asked Questions

How many H-1B petitions has Heirloom Carbon Technologies, Inc filed?

Heirloom Carbon Technologies, Inc has filed 29 H-1B LCA petitions covering 29 worker positions from FY2023 to FY2026.

What is the H-1B approval rate for Heirloom Carbon Technologies, Inc?

Heirloom Carbon Technologies, Inc has a 96.6% certification rate, with 28 out of 29 petitions certified.

What is the average H-1B salary at Heirloom Carbon Technologies, Inc?

The average H-1B salary at Heirloom Carbon Technologies, Inc is $150,727. Salaries range from $105,955 to $220,000.

What are the most common H-1B job titles at Heirloom Carbon Technologies, Inc?

The top H-1B job titles at Heirloom Carbon Technologies, Inc include Process Development Engineer, HEAD OF SUPPLY CHAIN, Sr. Controls Project Engineer. The most common position is Process Development Engineer with 3 petitions at an average salary of $121,610.

Where is Heirloom Carbon Technologies, Inc located?

Heirloom Carbon Technologies, Inc is headquartered in Brisbane, CA. Their H-1B workers are distributed across 2 states, with the most positions in CA, TN.

Is Heirloom Carbon Technologies, Inc H-1B dependent?

No, Heirloom Carbon Technologies, Inc is not classified as H-1B dependent.

How has Heirloom Carbon Technologies, Inc's H-1B sponsorship changed over time?

Heirloom Carbon Technologies, Inc filed 5 petitions in FY2023 and 1 in FY2026. Average salary changed from $187,781 to $134,056.

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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.