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SIMPSON GUMPERTZ & HEGER INC.

UEI: FL6ACVUJMGN9CAGE: 4D653

SIMPSON GUMPERTZ & HEGER INC. is a federal contractor, registered under UEI FL6ACVUJMGN9 and CAGE code 4D653. It has been awarded $79,714,040 across 113 federal contracts. Primary work spans Facilities Support Services, Architectural Services, and Engineering Services. Top awarding agencies include Department Of Energy (doe), Department Of Defense (dod), and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

FL6ACVUJMGN9

CAGE Code

4D653

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

2X

NAICS Codes

236220Commercial and Institutional Building Construction
541310Architectural Services
541330Engineering Services(Primary)
541340Drafting Services
541380Testing Laboratories and Services
+4 more

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Simpson Gumpertz & Heger Inc. specializes in forensic structural analysis and architectural services for critical federal infrastructure, with a focus on non-invasive assessment techniques and building performance evaluation. Their technical expertise includes spall detection, slab integrity analysi...

Simpson Gumpertz & Heger Inc. specializes in forensic structural analysis and architectural services for critical federal infrastructure, with a focus on non-invasive assessment techniques and building performance evaluation. Their technical expertise includes spall detection, slab integrity analysis, and forensic investigation of structural systems, often applied to high-risk or aging facilities. The firm delivers precise, evidence-based evaluations to support facility sustainment, remediation planning, and regulatory compliance, leveraging advanced non-destructive testing methodologies and engineering analysis to inform mission-critical decisions. Their work is distinguished by a rigorous, science-driven approach to structural diagnostics, particularly in environments requiring minimal disruption to operations. The contractor has delivered services to the Department of Defense, Department of Veterans Affairs, Department of Justice, and the Federal Energy Regulatory Commission. For the DoD and VA, they have conducted forensic structural assessments of legacy buildings, including detailed evaluations of concrete slabs and structural components. The DoJ engagement involved expert witness testimony, indicating their role in legal proceedings requiring technical authority on building performance. FERC’s award suggests involvement in infrastructure evaluation for regulatory oversight, highlighting their ability to support both operational and compliance-driven missions. Their primary focus lies in architectural services, where they apply engineering analysis to assess and document structural conditions, often in response to degradation, damage, or regulatory requirements. While legal services and unspecified technical support appear in their history, their core market positioning centers on forensic engineering and building diagnostics within federal facilities. Simpson Gumpertz & Heger Inc. operates as a 2L entity based in Waltham, Massachusetts, with no federal certifications listed. Their geographic presence is anchored in the Northeast, but their work supports nationwide federal infrastructure programs through technical expertise rather than physical footprint expansion. They serve as a trusted technical advisor to agencies requiring deep engineering insight into building integrity and performance.

Key Performance Metrics

Awards Count

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All time

Active

0

Currently performing

Completed

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Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
Department Of Energy (doe)$51.5M64.6%
Department Of Defense (dod)$11.6M14.5%
Department Of Defense$7.3M9.1%
Department Of Transportation$2.7M3.4%
Department Of Justice$2.3M2.9%
Department Of Commerce$1.1M1.4%
General Services Administration (gsa)$788.3K1%
National Gallery Of Artistic$547.7K0.7%
United States Trade And Development Agency$451.6K0.6%
Other agencies (11 agencies, <0.5% each)$1.4M1.8%
Awards by NAICS
Export
561210 - Facilities Support Services$51.1M64.1%
541310 - Architectural Services$9.1M11.5%
541330 - Engineering Services$6.4M8.1%
541690 - Other Scientific and Technical Consulting Services$3.6M4.5%
541199 - All Other Legal Services$2.3M2.9%
- Unknown NAICS$2.3M2.9%
541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$1.3M1.7%
237130 - Power and Communication Line and Related Structures Construction$807.8K1%
541990 - All Other Professional, Scientific, and Technical Services$731.7K0.9%
236220 - Commercial and Institutional Building Construction$630.1K0.8%
237990 - Other Heavy and Civil Engineering Construction$539.7K0.7%
Others - Other NAICS codes (9 codes, <0.5% each)$815.0K1%
Awards by Agency Over Time
Export
Awards by Place of Performance

Open opportunities in SIMPSON GUMPERTZ & HEGER INC.'s top NAICS codes and agencies

NAICS: 237990
New
SLED
AIRFIELD 2030 ALL PROJECTS (AIP / AUI / CIRCUITS / FOD) CombinedThe contract encompasses a comprehensive upgrade of critical airfield infrastructure at the Port of Seattle, focusing on safety, efficiency, and compliance with modern aviation standards. It includes the replacement of aging airfield lighting circuits that exhibit low megger readings, alongside the installation of energy-efficient LED lighting fixtures and signage to enhance visibility and reduce long-term operational costs. Concurrently, failing pavement sections and essential utilities will be replaced to ensure structural integrity and reliability of airfield surfaces and underlying systems. Wildlife hazard mitigation efforts are also a central component, involving the removal of turf edge dams along runways, taxiways, and access roads, installation of anti-perching devices on airfield signs to deter birds, and the implementation of regrading and new storm drainage infrastructure to eliminate ponding that attracts wildlife. Additionally, the contract requires the replacement of deteriorated flush fire hydrant access hatches to ensure rapid and unobstructed access for emergency response personnel. All work is coordinated under the umbrella of the AIRFIELD 2030 ALL PROJECTS initiative, managed by the Aviation Project Management Group within the Port of Seattle. The solicitation was posted on July 21, 2026, and is classified under NAICS code 237990 for other heavy and civil engineering construction. Primary point of contact for inquiries is Yanet Maldonado, reachable via email or phone provided by the Port of Seattle. The project is forecasted and does not specify a set-aside type, indicating it is open to general competition without targeted socioeconomic preferences.
Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 236220
New
SLED
Checkpoint Security Grill Replacement - DBBThe Contract for Checkpoint Security Grill Replacement - DBB seeks comprehensive design, permitting, and construction services to replace the existing security grill at Checkpoint 5. The scope encompasses a full lifecycle approach beginning with site assessment and culminating in the installation of a new system that meets TSA CRPG Section 3-5 standards. This includes preparing detailed design drawings and specifications, securing all necessary permits, removing and disposing of the old grill, fabricating and installing the new unit, and seamlessly integrating it with existing structural, electrical, and security badge access systems. Coordination with all relevant stakeholders is essential to maintain compliance with regulations and ensure minimal disruption to airport operations during implementation. The procurement is managed by the Port of Seattle’s Aviation Project Management Group and is classified under NAICS code 236220, indicating construction of commercial buildings. Posted on July 21, 2026, as a forecast solicitation, the project remains in the planning phase and currently has no assigned solicitation number. Primary point of contact is Yanet Maldonado, reachable via email and phone, with Collette Deardorff serving as the project manager. All work is to be performed at the Port of Seattle facility, and interested parties are directed to the official portal for further details and submission guidelines.
Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 237990
New
SLED
Jack Block Park Pier ReplacementThe contract involves the demolition of the existing end-of-life pier at Jack Block Park and the construction of a new pier structure, along with necessary repairs to the adjacent pier plaza. This project is being managed by the Port of Seattle under the Northwest Seaport Alliance and is classified under NAICS code 237990, indicating it falls within other heavy and civil engineering construction. The work requires careful planning and execution to ensure environmental compliance, safe removal of the aging infrastructure, and the installation of a modern, durable replacement that meets current safety and operational standards. Associated plaza repairs will complement the new pier to restore full functionality and accessibility to the public area. The solicitation is posted as a forecast with no assigned solicitation number or set-aside details, suggesting it is in the early planning phase for future bidding. Primary point of contact for inquiries is Yanet Maldonado, reachable via phone or email, with Valerie Huffman serving as the Project Manager for technical coordination. The place of performance is clearly identified as Jack Block Park, but specific city and state details are not provided in the data, implying the location is well known within the local context. Interested parties should monitor the official portal for future updates and formal solicitation release.
Northwest Seaport Alliance (NWSA)

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 237990
New
SLED
2027 Airfield Project - Contract 2The contract involves comprehensive upgrades to the airfield infrastructure at the Port of Seattle, focusing on enhancing safety, efficiency, and compliance with modern operational standards. Key work includes replacing airfield lighting circuits that exhibit low megger readings with new LED lighting fixtures and signs to improve visibility and reduce maintenance demands. Parallel efforts will address deteriorating pavement and critical utilities across the airfield to ensure structural integrity and uninterrupted service. Wildlife hazard mitigation measures are incorporated to reduce bird and animal risks, including the removal of turf edge dams along runways, taxiways, and access roads, installation of anti-perching devices on airfield signage, and the regrading of low-lying areas with new storm drainage infrastructure to eliminate ponding. Additionally, failing flush fire hydrant access hatches will be replaced to ensure rapid and unimpeded access for emergency response personnel. The project is managed by the Aviation Project Management Group under the Port of Seattle, with primary point of contact Moraa Omwega and Project Manager David Neds available for coordination. The solicitation was posted in July 2026 and is classified under NAICS code 237990 for other heavy and civil engineering construction, indicating a large-scale infrastructure initiative focused on airfield systems and public safety enhancements.
Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 236220
New
SLED
Rental Car Facility (RCF) Customer Service Building (CSB) Re-DemisingThe Port of Seattle’s Aviation Project Management Group is preparing to revise the Rental Car Facility Customer Service Building to support upcoming tenant construction beginning June 1, 2027, under a new Concession Agreement. Scope of work includes re-demising interior spaces to align with new tenant layouts, updating wayfinding signage to reflect relocated tenant areas, and creating a new break room and flex space to better serve transit operations. Existing restrooms in the Customer Service Building will be renovated, and outdated car wash equipment in the Quick Turn Around zones will be replaced with modern systems. Structural upgrades are required to address cracking and repair post-tension cables, while expansion joints on the 5th Floor plaza areas will be replaced to ensure safety and longevity. This effort is part of a broader infrastructure upgrade to modernize facility operations and accommodate future tenant needs. The project falls under NAICS code 236220 for commercial and institutional building construction. Primary contact for inquiries is Angela Peterson, with Julia Ruzon serving as Project Manager. All work is planned to facilitate seamless tenant transitions and improve overall building functionality, with procurement anticipated following the forecasted posting date of July 21, 2026. The project emphasizes structural integrity, operational efficiency, and enhanced user experience across all public and operational areas of the building.
Aviation Project Management Group

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 237990
New
SLED
Həʔapus Park Redevelopment - ConstructionThe Həʔapus Park Redevelopment project, managed by the Port of Seattle through Waterfront Project Management, encompasses a comprehensive upgrade to enhance public access, safety, and environmental stewardship within the park. Key improvements include the installation of new restrooms, upgraded pathways and lighting, a boot washing station to prevent the spread of invasive species, dedicated dog-friendly amenities, wayfinding and interpretive signage to improve visitor experience, and a hand-carrying boat launch to support non-motorized water access. The construction will involve both upland and in-water activities, carefully phased to comply with environmental permitting requirements and to avoid disrupting tribal fisheries, with a target for substantial completion by the second quarter of 2028. All work will be scheduled to minimize ecological impact while ensuring timely delivery of the enhanced recreational facilities. The project is led by the Port of Seattle, with primary point of contact Angela Peterson and Project Manager Julie Yun overseeing coordination and implementation. The NAICS code 237990 indicates it falls under other heavy and civil engineering construction, reflecting the complexity of the infrastructure upgrades. While no solicitation number is listed, the forecast was posted on July 21, 2026, suggesting active planning is underway with procurement to follow. The project’s design prioritizes cultural and environmental sensitivity alongside functional improvements, aiming to create a more inclusive and sustainable public space that honors local ecological and tribal contexts.
Waterfront Project Management

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 541330
New
SLED
Retro-Commissioning, TAB, Controls, and Regulatory Support IDIQThe consultant will deliver retro-commissioning, test/adjust/balance, controls, and regulatory support services across Seattle-Tacoma International Airport’s facilities and infrastructure systems, operating within a 24/7/365 environment that demands continuous reliability and safety. The work centers on identifying and correcting deficiencies in mechanical, HVAC, plumbing, lighting, Direct Digital Controls, smoke control, and fire protection systems to enhance performance, energy efficiency, occupant comfort, system longevity, and compliance with applicable regulations. All services will be executed through Service Directives and require close collaboration with Aviation Facilities and Infrastructure to meet defined deliverables and operational standards. The contract is structured as an Indefinite-Delivery/Indefinite-Quantity agreement under NAICS code 541330, managed by the Port of Seattle’s Aviation Facilities & Infrastructure division. Primary point of contact is Jason Gates, with Jim Farris serving as Project Manager; inquiries and communications should be directed through their provided contacts. The solicitation was posted on July 21, 2026, with performance expected to take place at the airport. There is no specified set-aside type, and the contract is designed to support ongoing and evolving needs across the airport’s critical infrastructure systems.
Aviation Facilities & Infrastructure

POSTED

about 4 hours ago

DEADLINE

N/A
View Details
NAICS: 236220
New
SLED
USU Gateway, Project Number PW2511The Trustees of The California State University, through California State University, Northridge, are seeking Statements of Qualifications from qualified Design-Build Entities to compete for the design and construction of the USU Gateway, a new building to replace the existing University Student Union at the Northridge campus. The project, identified by Project Number PW2511, is being procured under solicitation number 0000039839 and follows a competitive Request for Proposal process designed to select a single entity capable of delivering integrated design and construction services. Respondents must demonstrate relevant experience, capacity, and qualifications to undertake a complex campus infrastructure project in a live academic environment. Statements of Qualifications are due by September 28, 2026, at 11:00 AM Pacific Time, with the solicitation posted on July 20, 2026. The project will be performed at CSUN’s campus in Los Angeles, California, and all proposals must align with the university’s goals for modernizing student facilities. The primary point of contact for inquiries is Jenni Cox, reachable via email at jenni.cox@csun.edu. Entities interested in participating must submit their SOQs through the official Cal eProcure portal, as no set-aside provisions are specified and the opportunity is open to all qualified respondents under the state and local government procurement framework.
CSU, Northridge

POSTED

about 11 hours ago

DEADLINE

in 2 months
View Details