H-1B sponsorGUFEIN 66-0890454Updated May 2026

CORE TECH CONSTRUCTION CORPORATION

US H-1B Labor Condition Application activity for CORE TECH CONSTRUCTION CORPORATION. Filed 278 disclosures between FY2023 and FY2025 from worksites with a GU headquarters indicator.

Total filings

278

Outside top-N

Certified

95.7%

unconditional approval

Withdrawn

1.1%

incl. cert-withdrawn

Denied

2.5%

rejection rate

Summary

CORE TECH CONSTRUCTION CORPORATION is an H-1B sponsoring employer based in Guam that specializes in hiring foreign workers for engineering and technical roles. Between 2023 and 2025, the company filed 278 H-1B labor condition applications with a 95.68% certification rate, indicating strong compliance with prevailing wage and working condition requirements.

The company's workforce composition is heavily weighted toward engineering disciplines. Civil Engineers account for 133 filings (47.8%), followed by Mechanical Engineers (42 filings), Electrical Engineers (29 filings), and Accountants and Auditors (34 filings). A smaller volume of Computer Occupations roles (22 filings) rounds out the top five occupations.

H-1B activity has grown significantly year over year: 23 filings in 2023, 99 in 2024, and 156 in 2025. The company's denial rate stands at 2.52%, with 1.08% of applications withdrawn, reflecting a generally favorable certification record in the H-1B program.

CORE TECH CONSTRUCTION H-1B sponsor
H-1B civil engineers Guam
H-1B construction employer
prevailing wage certifications Guam
H-1B mechanical engineers

Outcome breakdown

Share of CORE TECH CONSTRUCTION CORPORATION’s LCAs by DOL case status.

Certified95.7%

Cert-withdrawn0.7%

Withdrawn1.1%

Denied2.5%

Ad slot · employer-top

Top occupations sponsored

SOC codes filed most by CORE TECH CONSTRUCTION CORPORATION. Click any row to open the national salary guide.

#	SOC	Title	Filings
1	17-2051	Civil Engineers	133
2	17-2141	Mechanical Engineers	42
3	13-2011	Accountants and Auditors	34
4	17-2071	Electrical Engineers	29
5	15-1299	Computer Occupations, All Other	22
6	17-2111	Health and Safety Engineers, Except Mining Safety Engineers and Inspectors	11
7	11-9021	Construction Managers	3
8	15-1244	Network and Computer Systems Administrators	2
9	27-1024	Graphic Designers	1

Civil Engineers

133

Mechanical Engineers

Accountants and Auditors

Electrical Engineers

Computer Occupations, All Other

Health and Safety Engineers, Except Mining Safety Engineers and Inspectors

Construction Managers

Network and Computer Systems Administrators

Graphic Designers

Filings by fiscal year

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

Year	Filings
FY2023	23
FY2024	99
FY2025	156

Ad slot · employer-mid

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