Company Overview
- Website
- gsienv.com
- Phone
- (713) 522-6300
- Employees
- 245
- Founded in
- 1986
- Industry
- Waste/Recycling/Environmental
- NAICS Codes
-
54 - Professional, Scientific, and Technical Services541 - Professional, Scientific, and Technical Services5417 - Scientific Research and Development Services54171 - Research and Development in the Physical, Engineering, and Life Sciences
- SIC Codes
-
89 - Services, Not Elsewhere Classified899 - Services, Not Elsewhere Classified
Financials & Stats
Revenue
$21B
Total Funding Amount
$2M
Recent News & Media
New Tool by GSI Environmental Helps Navigate State-Specific PFOS Fish Advisories with Precision
- Jun 24, 2025
- fox8.com
New Tool by GSI Environmental Helps Navigate State-Specific PFOS Fish Advisories with Precision
- Jun 24, 2025
- cbs42.com
EMS Buys GSI Environmental Inc.
- Dec 9, 2023
- waste360.com
A novel application of a geotechnical soil stabilization technology for improved delivery of remedial amendments
- Dec 5, 2022
- onlinelibrary.wiley.com
Enhanced attenuation (EA) to manage PFAS plumes in groundwater - Newell - 2022 - Remediation Journal
- Aug 4, 2022
- onlinelibrary.wiley.com
Monitored natural attenuation to manage PFAS impacts to groundwater: Potential guidelines
- Aug 17, 2021
- onlinelibrary.wiley.com
Who is GSI Environmental Inc
GSI Environmental, Inc. (GSI) is a privately held environmental engineering and science consulting firm headquartered in Houston, Texas. The company employs 245 people and generated $21 million in revenue. GSI specializes in providing solutions to complex environmental challenges across a variety of sectors. Their services encompass practical applications for environmentally responsible industrial operations and property development. GSI also offers toxicological analysis and management of chemical hazards, as well as sustainable development strategies for water and natural resources. GSI differentiates itself through a unique combination of practical experience and cutting-edge research. Their team of experts works closely with clients to deliver timely, innovative, and tailored solutions to meet specific environmental needs. For more information about GSI Environmental, Inc. and their environmental solutions, visit their website at gsienv.com.
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| Company Name | Revenue | Number of Employees | Location | Founded in |
|---|---|---|---|---|
| 21M | 12 | Glendale, AZ | 1995 | |
| 21M | 12 | Orlando, FL | 1996 | |
| 21M | 36 | Aurora, IL | 1982 |