Hgl-Aptim JV LLC
Reston, VA Hgl-Aptim JV LLC
- UEI
- UECRA7RA1289
- CAGE
- 8DJ71
- Primary NAICS
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- SAM.gov registration date
- Physical address
- 11107 Sunset Hills Rd #400, Reston, VA 20190, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Welsbach gas mantle superfund site OU1- new to unit 3B phase 1 RA | ENDIST Philadelphia | $7,977,652 | |
| Welbach gas mantle superfund site operable unit 4 | ENDIST Philadelphia | $274,101 | |
| 8510688863 ! Project planning and manageme | Energy | $80,501 | |
| 8510543218 ! Project planning and manageme | Energy | $18,342 | |
| 8510500797 ! Project planning and manageme | Energy | $624,683 |
About Hgl-Aptim JV LLC
Hgl-Aptim JV LLC is a for-profit limited liability company and small business joint venture between Hydrogeologic, Inc. (HGL) and Aptim, headquartered in Reston, Virginia. The joint venture specializes in environmental remediation, project planning, utilities support, and construction services for the United States federal government. The company holds multiple Indefinite Delivery Vehicle contracts with the Department of Defense and the Environmental Protection Agency, positioning it as a significant contractor for environmental and infrastructure services at military installations and Superfund sites nationwide.
Hgl-Aptim JV LLC's federal contract portfolio demonstrates extensive expertise in environmental remediation and project management services. The company serves as the prime contractor on a substantial $110 million single-award Indefinite Delivery Vehicle contract with the Environmental Protection Agency's Philadelphia District for comprehensive remediation activities at the Welsbach Gas Mantle Superfund Site in Middle City West, Pennsylvania, with work scheduled through August 2030. Under this EPA contract, the company has executed multiple delivery orders, including a $7.98 million cost-plus-fixed-fee order for Phase 1 remediation activities at Operable Unit 1 and a $274,101.23 order for long-term monitoring and groundwater remedy sampling at Operable Unit 4. Additionally, Hgl-Aptim JV LLC holds a $24.9 million single-award small business Indefinite Delivery Vehicle contract with the Defense Logistics Agency Energy at Fort Belvoir, Virginia, under which it has received numerous delivery orders totaling several million dollars for project planning and management services, environmental support, extraordinary restoration requirements, and infrastructure improvements such as conveyance piping replacement, pier inspections, pier fencing replacement, and security camera installation. The company's DLA Energy delivery orders range from approximately $5,866 to $6.13 million individually, with performance periods extending through April 2025. No socioeconomic set-asides have been applied to any of these federal contract awards, reflecting the company's competitive positioning as a small business joint venture in the federal marketplace. The diversity of services—from groundwater remediation and waste management to facilities energy support and utilities infrastructure maintenance—underscores Hgl-Aptim JV LLC's comprehensive capabilities in supporting federal agency missions across environmental and operational domains.
Quick answers
What is Hgl-Aptim JV LLC's UEI?
Hgl-Aptim JV LLC's Unique Entity ID (UEI) in SAM.gov is UECRA7RA1289.
What is Hgl-Aptim JV LLC's CAGE code?
Hgl-Aptim JV LLC's CAGE code is 8DJ71.
What is Hgl-Aptim JV LLC's primary NAICS code?
Hgl-Aptim JV LLC's primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).
Where is Hgl-Aptim JV LLC located?
Hgl-Aptim JV LLC's physical address in SAM.gov is 11107 Sunset Hills Rd #400, Reston, VA 20190, USA.
Is Hgl-Aptim JV LLC registered in SAM.gov?
Yes. Hgl-Aptim JV LLC's SAM.gov registration is active through January 23, 2027.
What is Hgl-Aptim JV LLC's most recent federal award?
Hgl-Aptim JV LLC's most recent federal contract award is Welsbach gas mantle superfund site OU1- new to unit 3B phase 1 RA (W912BU25F0041), from ENDIST Philadelphia, on August 11, 2025.
On GovTribe
See Hgl-Aptim JV LLC's full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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