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Similar companies to GSI Companies

GSI Companies Tech Stack

GSI Companies uses 8 technology products and services including Adobe Illustrator, PostgreSQL, SAP Maintenance, Repair, and Overhaul, and more. Explore GSI Companies's tech stack below.

Adobe Illustrator
Cad & Graphics
PostgreSQL
Database
SAP Maintenance, Repair, and Overhaul
Operations
Linux
Programming Languages
PHP
Programming Languages
Smartsheet
Project Management
ArcGIS
Visualisation Software
Contact Form 7
Web Platform Extensions

Media & News

GSI Companies's Email Address Formats

GSI Companies uses at least 1 format(s):

GSI Companies Email Formats	Example	Percentage
LFirst@gsi-companies.com	DJohn@gsi-companies.com	35%
FLast@gsi-companies.com	JDoe@gsi-companies.com	25%
Last@gsi-companies.com	Doe@gsi-companies.com	5%
LFirst@gsi-companies.com	DJohn@gsi-companies.com	35%

Frequently Asked Questions

Where is GSI Companies's headquarters located?

GSI Companies's main headquarters is located at 181 South Kukui Street First Floor Honolulu, Hawaii 96813 United States. The company has employees across 2 continents, including North AmericaOceania.

What is GSI Companies's official website and social media links?

GSI Companies's official website is gsi-companies.com and has social profiles on LinkedIn.

What is GSI Companies's SIC code NAICS code?

GSI Companies's SIC code is 6282 - Investment Advice NAICS code is 23 - Construction.

How many employees does GSI Companies have currently?

As of February 2026, GSI Companies has approximately 201 employees across 2 continents, including North AmericaOceania. Key team members include Owner: W. W.Vice President: P. L.Senior Environmental Scientist: B. O.. Explore GSI Companies's employee directory with LeadIQ.

What industry does GSI Companies belong to?

GSI Companies operates in the Construction industry.

What technology does GSI Companies use?

GSI Companies's tech stack includes Adobe IllustratorPostgreSQLSAP Maintenance, Repair, and OverhaulLinuxPHPSmartsheetArcGISContact Form 7.

What is GSI Companies's email format?

GSI Companies's email format typically follows the pattern of LFirst@gsi-companies.com. Find more GSI Companies email formats with LeadIQ.

When was GSI Companies founded?

GSI Companies was founded in 2003.

GSI Companies

Q: What is GSI Companies's official website and social media links?

GSI Companies's official website is gsi-companies.com. GSI Companies has social profiles on LinkedIn.

Q: How many employees does GSI Companies have currently?

GSI Companies has approximately 201 employees.

Q: What technology does GSI Companies use?

GSI Companies's tech stack includes OneDrive, FedEx, AutoCAD, Sage Intacct, FitVids.js.

ConstructionHawaii, United States201-500 Employees

GSI COMPANIES
The GSI Companies (GSI) are for-profit subsidiaries of the Native Hawaiian Community Development Corporation, a non-profit Native Hawaiian Organization (NHO) founded in 2003 to support the technical education of Native Hawaiians.  With offices across the Pacific and continental U.S., GSI has the ability to quickly assemble resources and personnel at a variety of jobsites.  We have cash flow and lines of credit to perform simultaneously on several projects in multiple locations.

More information at www.gsi-companies.com

Company Overview

Headquarters: 181 South Kukui Street First Floor Honolulu, Hawaii 96813 United States
Website: gsi-companies.com
SIC Code: 6282 - Investment Advice
NAICS Code: 23 - Construction
Founded: 2003
Employees: 201-500