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Small Disadvantaged Business Minority Business Enterprise  Alaska Native Corporation

ISNetWorld Certified 

Gold Shovel Certified

Securing a premier reputation in the environmental and construction industry



Ahtna focuses on the design and construction of federal government

and commercial projects. Ahtna is a full service construction, and construction management provider with expertise in civil, mechanical, industrial, and electrical engineering design. Ahtna’s experienced engineering professionals analyze the results of the front-end activities to design and construct practical solutions, focusing on cost savings and applying creative approaches to successfully achieve the mission.

Construction support services include demolition, earthwork, paving and concrete work, as well as the removal/installation of utilities.

Construction professionals include qualified, experienced, and

licensed construction managers and supervisors, inspectors, laborers,

and health and safety specialists. Ahtna also has licensed asbestos

and lead-based paint specialists on staff to ensure that renovations of

older buildings are conducted safely and comply with all applicable


Stormwater Services

Since 2009, Ahtna has worked for utility agencies and water irrigation districts for storm water services support. These services

encompass a number of tasks including: preparing Storm Water

Pollution Prevention Plans (SWPPPs), performing storm water

inspections, and conducting periodic water quality monitoring

at these project sites.

Ahtna has a very experienced SWPPP team with several certified Qualified SWPPP Developer (QSD) and Qualified SWPPP Practitioner (QSP).


The SWPPP documents Ahtna prepares determine and describe best management practices (BMPs) that can be implemented at construction sites throughout California.

The SWPPPs have been prepared in compliance with 1 and 2 Risk/

Type Levels for General Construction and Linear Underground/ Overhead Projects (LUP) under the General Permit for

Discharges of Storm Water Associated with Construction Activity Construction General Permit Order 2009-0009-DWQ.

Environmental Engineering & Remediation

Since the company’s inception, Ahtna has provided comprehensive

environmental services ranging from environmental impact

assessments, to site remediation and closure, to long-term operation

and maintenance of remedial systems. Ahtna supports various federal agencies (examples include: the U.S. Army Corps of Engineers, the U.S. Air Force, the U.S. Navy, and the Federal Aviation Administration). Through Ahtna’s extensive experience and technical competence in investigation, design, and construction activities related to

environmental science and engineering, Ahtna applies the right blend of technical discipline and management services in order to focus on a clean and safe environment.

Ahtna’s experienced environmental engineering and remediation

professionals analyze the results of the front-end activities in order to

design and construct practical solutions, focusing on cost savings and expedited site closure. Ahtna’s solutions have included a broad range of conventional systems, as well as innovative technologies, such as in situ enhanced reductive dechlorination, chemical oxidation, bio-cells, and thermal treatment.


Established in 1999, Ahtna Government Services Corporation (Ahtna) is a wholly-owned subsidiary of
Ahtna, Incorporated, an Alaska Native Corporation.


Ahtna successfully graduated from the SBA 8(a) program in December 2008, and is certified by the California Public Utilities Commission (CPUC) as a Minority Business Enterprise (MBE).


Our firm provides high-quality worldwide construction, engineering, consulting, and environmental services.

A multidisciplinary firm with projects throughout the

United States, Ahtna provides comprehensive environmental engineering and remediation; general construction; construction management; engineering; security; demolition; radiological assessment and monitoring; hazardous materials assessment and abatement; and program management services.

Ahtna’s resource pool offers hundreds of professionals nationwide and is unmatched by firms of comparable size. Our highly qualified contract, program, and project managers, engineers, and scientists are long-time experts in their respective fields.


Ahtna has an uncompromising commitment to workplace safety, health and environmental protection. The firm plans and takes the steps to maintain a world class safety program; ensuring Ahtna employees, its subcontractors, the public, and the clients they serve are provided with a safe and healthy workplace. Ahtna’s safety philosophy is:

Plan for an injury-free workplace and work that plan!

Ahtna has maintained OSHA Recordable Incidence and Lost Time Incidents rates well below the national average for this industry.

Ahtna's Experience Modification Rate (EMR) for 2022 is 0.58.



For details, click on project photos.

Parsons, Former PG&E Oakdale Manufactured Gas Plant (MGP) Soil Remediation and Site Improvements

Excavation, loading, transport and disposal of

impacted materials; Infrastructure removal/replacement and installation; Import, backfill and compaction of excavation areas

US Navy/AMEC Environmental Construction Support Services, Installation Restoration Site 1, Alameda Point, Alameda, California (Winner of the 2014 Chief of Naval Operations (CNO) Environmental Award)

Building Demolition; Asbestos Abatement; Excavation/Transport of Non-Hazardous and Hazardous Materials; SWPPP BMPs / Erosion/Sediment Control; Excavation and Capping of RadiologicallyImpacted Soil and Sediment





  • Mr. Craig O'Rourke, President

  • Mr. David Frenzel, Vice President of Operations

3100 Beacon Blvd.

West Sacramento, CA 95691

Tel. 916.372.2000

Fax. 916.372.9401

3200 El Camino Real, Suite 240

Irvine, CA 92602

Tel. 714.824.3470

Fax. 714.824.3474


To apply for a job with Ahtna Government Services Corporation, please click here.

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