GIS Corporate Headquarters

Galliano, LA

18838 Hwy. 3235
Galliano, LA 70354
Phone: 985-475-5238
Fax: 985-475-7014

For specific project information and
bid requests, e-mail us at:
proposals@gisy.com

Other GIS Locations

Abbeville, LA

17601 Schriefer Dr.
Abbeville, LA 70510
Phone: 337-893-6511

Anchorage, AK

1800 West 48th Ave.
Anchorage, AK 99517
Phone: 907-265-3600

Baton Rouge, LA

450 Laurel St.
Suite 1700
Baton Rouge, LA 70801
Phone: 225-408-0700

Big Lake, AK

2053 S Mlakar Cir
Big Lake, AK 99652
Phone: 907-892-9803

Fourchon, LA

554 Dudley Bernard Rd.
Fourchon, LA 70357
Phone: 985-396-2327

Franklinton, LA

1212 Taft Road
Franklinton, LA 70438
Phone: 985-839-9331

Galliano, LA (Logistics)

17821 Hwy 3235
Galliano, LA 70354
Phone: 985-325-3050

Gretna, LA

401 Whitney Ave.
Suite 603
Gretna, LA 70056
Phone: 504-367-4988

Houma, LA

2503 Petroleum Dr.
Suite 110
Houma, LA 70363
Phone: 985-219-1000

Houston, TX

10777 Westheimer Road
Suite 940
Houston, TX 77042
Phone: 713-783-0300

Lafayette, LA

148 Banks Ave.
Suite B
Lafayette, LA 70506
Phone: 337-261-9466

Lafitte, LA

4002 Jean Lafitte Blvd.
Lafitte, LA 70067
Phone: 504-689-3481

Larose, LA

11660 Highway 308
Larose, LA 70373
Phone: 985-693-3490

Mobile, AL

3051 Baker Sorrel Rd.
Theodore, AL 36582
Phone: 251-443-7625

Odessa, TX

325 Solo Rd.
Odessa, TX 79762
Phone: 432-362-0019

Trinidad

9-11 Fitt St.
Suite 209
Woodbrook, Port of Spain
Trinidad & Tobago
Phone: 1-868-224-3468

Venice, LA

310 McDermott Rd.
Venice, LA 70091
Phone: 504-534-7744

Washington, PA

728 Henderson Ave.
Washington, PA 15301
Phone: 724-350-8400