About G.i.s.
G.i.s. is a Construction company, headquartered in Galliano, with 5,001 - 10,000 employees and annual revenue of $100M - $500M.
Established in 1948 in Grand Isle, LA, GIS began as a modest company serving the commercial fishing industry. It quickly evolved, entering into the emerging Oil & Gas Industry in the Gulf of Mexico. Today, GIS services the oil and gas, power, renewables and critical infrastructure industries nation...
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G.i.s. Company Highlights
Phone Number
(985) 475-xxxx
Corporate Office Address
18838 Louisiana 3235
Galliano, 70354
Website
Industries Served
ConstructionNumber of Employees
5,001 - 10,000 Employees
Company Revenue
$100M - $500M
G.i.s. Email Format
The most common G.i.s. email format is [f][last] (ex. jdoe@gisy.com), currently being used by 81% of G.i.s. business email addresses. There are 15 email formats used by G.i.s..
G.i.s. Org
G.i.s. has 8 C-Level, 20 VP, 16 Director, 190 Manager, 9 Senior, 259 Mid-Level, and 31 Other employees.
G.i.s. Decision Makers
- CEOMark Pregeant
G.i.s.'s Tech Stack
Frequently Asked Questions About
G.i.s.
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Who is the CEO of G.i.s.?
The CEO of G.i.s. is Mark Pregeant. See full contact details ›
How many senior employees does G.i.s. have?
G.i.s. has 243 senior employees that are typically used for decision making.
What email format does G.i.s. use?
The most common G.i.s. email format is {f}{last} (e.g. jdoe@gisy.com).
Who are the key decision makers at G.i.s.?
Key decision makers at G.i.s. include Mark Pregeant (CEO). See full contact details ›
What technologies does G.i.s. use?
G.i.s. uses technologies including Adobe, All in One SEO, and Apache HTTP Server.
How do I contact G.i.s.?
To contact G.i.s., visit gisy.com.
What companies are similar to G.i.s.?
Companies similar to G.i.s. include Chase, Celestica, and Microchip Technology Inc..
Where is G.i.s. headquartered?
G.i.s. is headquartered at 18838 Louisiana 3235, Galliano.
What is the main phone number for G.i.s.?
The main phone number for G.i.s. is (985) 475-xxxx.
What is the official website for G.i.s.?
The official website for G.i.s. is gisy.com.
What is the annual revenue of G.i.s.?
The annual revenue of G.i.s. is $100M - $500M.
How many employees does G.i.s. have?
G.i.s. has 5,001 - 10,000 employees.
What industry is G.i.s. in?
G.i.s. is in the Construction industry.
Last updated: November 4, 2025