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Gti Geothermal Systems, Inc.

DBA GTI CO INC
Whitewood, SD

General information for Gti Geothermal Systems, Inc.

Physical address
12053 Industry Pl, Whitewood, Sd, 57793
Mailing address
12053 Industry Pl, Whitewood, SD, 57793
Website
gticompanies.com

Points of contact for Gti Geothermal Systems, Inc.

SAM.gov Points of Contact

Glen Citrowske
Government Business POC Electronic Business POC
12053 Industry Pl, Whitewood, SD, 57793
Priscilla Citrowske
Alternate Government Business POC Alternate Electronic Business POC
12053 Industry Pl, Whitewood , SD, 57793

Additional contact details may be available

NAICS codes for Gti Geothermal Systems, Inc.

Code Description Small Business
237110 PRIMARY Water and Sewer Line and Related Structures Construction Yes
237310 Highway, Street, and Bridge Construction Yes
237990 Other Heavy and Civil Engineering Construction No
238290
Other Building Equipment Contractors
Yes
238910
Site Preparation Contractors
Yes

PSC codes for Gti Geothermal Systems, Inc.

Code Description
Y1LB CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Z1LB MAINTENANCE OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Z2LB REPAIR OR ALTERATION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
Z2NZ
REPAIR OR ALTERATION OF OTHER UTILITIES

Update history

2 change(s) tracked
Mar 9, 2026
NAICS 237310 is no longer the primary code
Mar 9, 2026
NAICS 237110 became the primary code
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