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SEMPER ENVIRONMENTAL LLC

UEI: EN5NDLLPHEN5CAGE: 7XCD1

SEMPER ENVIRONMENTAL LLC is a federal contractor, registered under UEI EN5NDLLPHEN5 and CAGE code 7XCD1. It has been awarded $1,852,984 across 10 federal contracts. Primary work spans Remediation Services, Engineering Services, and Water and Sewer Line and Related Structures Construction. Top awarding agencies include Department Of Veterans Affairs, Department Of Defense (dod), and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

EN5NDLLPHEN5

CAGE Code

7XCD1

Entity Structure

Partnership or Limited Liability Partnership

Established

N/A

Business Classifications

2XA5LJQF

NAICS Codes

115310Support Activities for Forestry
237110Water and Sewer Line and Related Structures Construction
238990All Other Specialty Trade Contractors
541330Engineering Services
541370Surveying and Mapping (except Geophysical) Services
+9 more

Federal Contracting Overview

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

AI Capability Profile

SEMPER ENVIRONMENTAL LLC specializes in environmental engineering services focused on groundwater and gas monitoring systems for federal facilities. The contractor delivers technical solutions for landfill environmental compliance, including the design, deployment, and maintenance of in-situ monitor...

SEMPER ENVIRONMENTAL LLC specializes in environmental engineering services focused on groundwater and gas monitoring systems for federal facilities. The contractor delivers technical solutions for landfill environmental compliance, including the design, deployment, and maintenance of in-situ monitoring networks to detect contaminant migration and volatile organic compound emissions. Their expertise lies in subsurface sampling protocols, data acquisition systems, and regulatory reporting frameworks aligned with EPA and VA environmental standards. Key differentiators include precision instrumentation calibration, real-time data validation, and adaptive monitoring strategies tailored to sensitive veteran healthcare site operations. The company maintains a consistent relationship with the Department of Veterans Affairs, providing critical environmental surveillance services at VA-managed landfills and waste disposal sites. Their work supports VA’s mission to uphold environmental stewardship and protect public health by ensuring compliance with RCRA, CERCLA, and underground storage tank regulations. The nature of these engagements suggests a pattern of recurring, mission-critical support tied to long-term facility sustainability goals. SEMPER ENVIRONMENTAL LLC’s primary industry focus is engineering services under NAICS 541330, which encompasses applied environmental engineering for regulatory compliance and site remediation. They operate at the intersection of environmental science and civil infrastructure, with a vertical specialization in landfill environmental management and subsurface contaminant tracking. Their market positioning is that of a niche provider serving federal agencies requiring scientifically rigorous, defensible environmental monitoring programs. As a Service-Disabled Veteran-Owned Business headquartered in Sandy, Utah, the company leverages its certification to align with federal small business and veteran-owned contracting priorities. Its operational footprint is focused on federal environmental compliance projects, particularly those requiring on-site technical presence and rapid response capabilities. The firm’s structure supports agile, mission-driven service delivery within highly regulated federal environments.

Key Performance Metrics

Awards Count

0

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 Veterans Affairs$1.0M54.6%
Department Of Defense (dod)$815.8K44%
Department Of Defense$25.5K1.4%
Awards by NAICS
Export
562910 - Remediation Services$815.8K44%
541330 - Engineering Services$381.8K20.6%
237110 - Water and Sewer Line and Related Structures Construction$311.1K16.8%
238990 - All Other Specialty Trade Contractors$246.2K13.3%
541380 - Testing Laboratories and Services$98.2K5.3%
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 541330
New
Scattergood GS. Units 1&2 Green Hydrogen-Reaady Modernization
Solicitation # scattergood-gs-units-12-green-hydrogen-reaady-modernization
Kiewit Infrastructure West Co. is seeking sub-quotes for the Scattergood GS Units 1 and 2 Green Hydrogen-Ready Modernization project for the City of Los Angeles Department of Water and Power. The scope of work is extensive, encompassing professional and technical services such as civil, structural, mechanical, electrical, and instrumentation and controls engineering, as well as utility locating, geotechnical and geophysical investigations, BIM/3D modeling, and environmental assessments. Additional requirements include hazardous materials surveys, permitting support, and CPM scheduling. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a bid date of September 11, 2026, and a response deadline of September 30, 2026. Eligible bidders include Disadvantaged, Minority, Women, and Other Business Enterprises, provided they hold certifications from recognized agencies such as the SBA or MBDA. Responsive bidders must possess a valid California Contractor's license and provide acceptable insurance. Subcontractors and material contractors are required to provide bonding for 100 percent of their contract value, though Kiewit will reimburse the associated bond premiums. Furthermore, Kiewit, as a signatory to various collective bargaining agreements, requires bidders to demonstrate an ability to maintain labor harmony on the project. For further information or to review plans and specifications, interested parties should contact Lead Estimator Joe Bockelman.
Kiewit Infrastructure West Co.

POSTED

about 11 hours ago

DEADLINE

in 18 days
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NAICS: 237110
New
Seeking MBE/DBE/WBE Subcontractors and Suppliers for South Marsham Street Green Infrastructure Project (Romney, WV)
Solicitation # seeking-mbedbewbe-subcontractors-suppliers-south-marsham-street-green-infrastructure-project-romney
Harbel, Inc. is soliciting bids for a green-street retrofit project located on South Marsham Street between Gravel Lane and US Route 50 in Downtown Romney, West Virginia. The scope of work involves the installation of approximately 1,450 square feet of permeable pavement and eight vegetated stormwater management cells to treat roughly 1.7 acres of impervious surface within a 3.3-acre drainage area. The project requires comprehensive drainage, underdrain, inlet, pipe, and downspout work, along with limited curb, sidewalk, ADA, apron, crossing, and traffic-calming improvements to integrate the BMP corridor. Landscaping requirements include the planting of six native trees and approximately 345 native plants or approved equivalents, concluding with final stabilization, cleanup, and restoration. This solicitation specifically encourages participation from small business concerns, including minority, woman-owned, disadvantaged, HUBZone, and veteran-owned businesses, who may also form consortiums to handle larger bid items. Bids are due by 4:00 P.M. on September 17, 2026. Interested parties must submit a response indicating their intent to bid to the primary contact, Jonah Leith. The project falls under NAICS code 237110, focusing on professional civil engineering construction.
Harbel, Inc.

POSTED

about 11 hours ago

DEADLINE

in 5 days
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NAICS: 237110
New
Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1
Solicitation # inland-feedersbvmwd-foothill-ps-intertie-stage-1
The Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1 project, located in Highland, California, is a comprehensive infrastructure initiative issued by the Metropolitan Water District of Southern California through James W. Fowler Co. The scope of work involves the furnishing and installation of approximately 2,150 linear feet of 54-inch to 66-inch diameter steel pipe and 200 linear feet of 144-inch diameter steel pipe. The project includes the installation of both contractor-furnished and Metropolitan-furnished valves ranging from 54 to 132 inches in diameter, as well as 54-inch and 145.5-inch diameter tie-ins and associated pipe fittings. Additional construction requirements include the delivery of four surge tanks, two valve vaults, an air compressor yard structure, and various drainage improvements. The technical scope extends to electrical upgrades, instrumentation and controls, piping systems, welding, disinfection, and surface restoration, alongside the excavation of cobbles and large boulders. This solicitation, posted on September 11, 2026, with a response deadline of September 29, 2026, is open to small businesses, including certified service-disabled veteran-owned, minority, and women-owned enterprises. The prime contractor, J.W. Fowler, is actively seeking subcontractor pricing and offering support to M/W/DBE firms regarding bonding, insurance, and equipment procurement to maximize participation.
James W. Fowler Co.

POSTED

about 11 hours ago

DEADLINE

in 17 days
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