GSI Engineering LLC

Grand Island, NE Doing business as GSI Grand Island Part of UES Professional Solutions, LLC

Company facts

Self-certified in SAM.gov: For Profit Organization

Limited Liability Company
Entity structure: Other
NAICS codes registered in SAM.gov: 562910 Remediation Services Primary

237110 Water and Sewer Line and Related Structures Construction

238910 Site Preparation Contractors

541330 Engineering Services

541380 Testing Laboratories and Services

541620 Environmental Consulting Services

541690 Other Scientific and Technical Consulting Services

561990 All Other Support Services
Corporate family: UES Professional Solutions, LLC Parent HRBAK5KKDLN8

GSI Engineering LLC LEPNQ6LAFCL9
SAM.gov registration date: Sep 8, 2017
Physical address: 2960 Diers Ave, Grand Island, NE 68803, USA
Website: gsinetwork.com
Founded: 1973
Employees: 51-250
Estimated annual revenue: $10M-$50M
Industry: Industrials

Capital Goods

Construction & Engineering

Civil Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated May 19, 2026.

GSI Engineering LLC's Unique Entity ID (UEI) in SAM.gov is LEPNQ6LAFCL9.

GSI Engineering LLC's CAGE code is 808J8.

GSI Engineering LLC's primary NAICS code is 562910 (Remediation Services).

GSI Engineering LLC's physical address in SAM.gov is 2960 Diers Ave, Grand Island, NE 68803, USA.

Yes. GSI Engineering LLC's SAM.gov registration is active through May 15, 2027.

GSI Engineering LLC is part of UES Professional Solutions, LLC.

On GovTribe

Try for free Login