H-1B sponsorGUFEIN 66-0697004Updated Jun 2026

Polyphase System Inc.

US H-1B Labor Condition Application activity for Polyphase System Inc.. Filed 57 disclosures between FY2010 and FY2026 from worksites with a GU headquarters indicator.

Total filings

Outside top-N · FY2026

Certified

100.0%

unconditional · FY2026

Withdrawn

0.0%

withdrawn rate · FY2026

Denied

0.0%

rejection rate · FY2026

Summary

Polyphase System Inc. is an H-1B sponsoring employer based in Guam that has filed 57 labor condition applications from 2010 to 2026. In FY2026, the company filed 2 H-1B applications, both of which were certified, reflecting a 100% certification rate for that year.

The company's H-1B sponsorship activity centers on engineering and technical roles. Electrical Engineers account for 61% of all filings (35 positions), followed by Accountants and Auditors (9 filings), Mechanical Engineers (6), and Civil Engineers (6). A single filing for a Human Resources Specialist rounds out the role mix. Overall, Polyphase System's all-time certification rate stands at 24.56%, with no denials or withdrawals on record.

Filing volume has varied across the years, peaking at 10 applications in 2016 and ranging from 1 to 9 filings in other active years. Recent activity shows 7 filings in 2025, 5 in 2024, and 2 in 2026, indicating sustained but modest H-1B sponsorship engagement.

Polyphase System Inc. H-1B sponsor
H-1B electrical engineer Guam
Polyphase System H-1B filings
Guam H-1B employer
engineering H-1B sponsorship

Outcome breakdown

Share of Polyphase System Inc.’s LCAs by DOL case status, all fiscal years. Use the year filter above for a single-year breakdown.

Certified100.0%

Top occupations sponsored

SOC codes filed most by Polyphase System Inc. across all fiscal years. Click any row to open the national salary guide.

#	SOC	Title	Filings
1	17-2071	Electrical Engineers	35
2	13-2011	Accountants and Auditors	9
3	17-2141	Mechanical Engineers	6
4	17-2051	Civil Engineers	6
5	13-1071	Human Resources Specialists	1

Electrical Engineers

Accountants and Auditors

Mechanical Engineers

Civil Engineers

Human Resources Specialists

Filings by fiscal year

Year-over-year H-1B filing volume — a hiring-demand signal, not headcount.

Year	Filings
FY2010	1
FY2013	9
FY2014	2
FY2015	7
FY2016	10
FY2017	7
FY2018	7
FY2024	5
FY2025	7
FY2026	2

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