Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →

Search

Top

SEM LLC

UEI: MLKXGWNM8KG4

SEM LLC is a federal contractor, registered under UEI MLKXGWNM8KG4. It has been awarded $2,273,237 in federal contracts. Primary work spans Custom Computer Programming Services, Support Activities for Forestry, and Environmental Consulting Services. Top awarding agencies include Department Of Agriculture.

Contact Information

Registration and classification details

Registration

UEI Code

MLKXGWNM8KG4

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

11

All time

Active

0

Currently performing

Completed

11

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 Agriculture$2.3M100%

Awards by NAICS

541511 - Custom Computer Programming Services$2.1M93.6%115310 - Support Activities for Forestry$57.9K2.6%541620 - Environmental Consulting Services$35.4K1.6%541990 - All Other Professional, Scientific, and Technical Services$32.3K1.4%

- Unknown NAICS$19.5K0.9%

Awards by Agency Over Time

Awards by Place of Performance

Compete with SEM LLC

Track the contractors you bid against, and the work they win

Award history, agency mix, and NAICS coverage for SEM LLC

AI-powered matching against your own capabilities and past performance

Teaming and subcontracting signals on every award

Automated alerts when a competitor wins in your market

Join 750+ contractors already using CLEATUS

Open opportunities in SEM LLC's top NAICS codes and agencies

DETROIT JCC-2026-40 BACKFLOW PREVENTER TESTING, MAINTENANCE & INSPECTION

Solicitation # detroit-jcc-2026-40-backflow-preventer-testing-maintenance-inspection

Serrato Corporation is seeking licensed contractors for the Detroit JCC-2026-40 project located in Michigan. The scope of work involves repositioning the backflow preventer in Recreation building 0004 and providing comprehensive inspection services for all other backflow preventers across the site. This solicitation falls under NAICS code 541990, with additional relevant codes including 541380 and 238220. The opportunity is set aside for various small business categories, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of May 31, 2027. Primary coordination for this contract is handled by Toni Robinson.

Serrato Corporation

POSTED

about 2 hours ago

DEADLINE

CEQA / Environmental Compliance Specialist

City of San Luis Obispo

POSTED

about 3 hours ago

DEADLINE

Principal Designer (Health & Safety)

Rural Housing Association (RHA)

POSTED

about 3 hours ago

DEADLINE

Ecology and Biodiversity Consultant

Historic England

POSTED

about 3 hours ago

DEADLINE

in about 1 month

Heritage Significance & Conservation Specialist

Historic England

POSTED

about 3 hours ago

DEADLINE

in about 1 month

Testing Equipment Calibration Services

Golden Gate Bridge, Highway and Transportation District

POSTED

about 3 hours ago

DEADLINE

in about 1 month

NEPA/CEQA Environmental Documentation Specialist

San Luis Obispo County Flood Control and Water Conservation District

POSTED

about 4 hours ago

DEADLINE

Lopez Water Project Habitat Conservation Plan Environmental Impact Report And Environmental Assessment Services

Solicitation # 2001

The San Luis Obispo County Flood Control and Water Conservation District is soliciting proposals for a two-year task order professional services contract to provide environmental consulting for the Lopez Water Project Habitat Conservation Plan. The selected firm will be responsible for preparing an Environmental Assessment or Environmental Impact Statement in compliance with NEPA and CEQA, as well as supporting permit applications under Section 10 of the Endangered Species Act. Key deliverables include technical studies, agency coordination materials, and final documentation for federal agency decision-making. The project is based in San Luis Obispo, California, with an anticipated notice to proceed on January 27, 2027. Proposals must be submitted as two separate PDF files, consisting of a technical proposal and a cost proposal, by November 20, 2026. The evaluation process is two-phased, prioritizing the highest quality services over the lowest cost, and may include on-site interviews for top-ranked firms. Awardees must meet stringent insurance requirements, including 2.0 million dollars for general and professional liability, and comply with California General Prevailing Wage Rate requirements and DIR registration. The contract prohibits the consultant from bidding on subsequent construction or inspection contracts resulting from this work and requires the maintenance of accounting records for five years.

San Luis Obispo County Flood Control and Water Conservation District

POSTED

about 4 hours ago

DEADLINE

Conservation Planning ConsultantThe Conservation Planning Consultant subcontract for Natural England involves the analysis of habitat and species data to support prime contractors. The primary objective is to generate prioritized action lists for maintenance and enhancement, specifically focusing on identifying high-value sites, areas threatened by scrub expansion, and potential locations for targeted habitat creation. This work requires the application of specialized knowledge regarding Provision 110 of the Environment Act 2021 concerning Protected Site Strategies. The successful consultant will be responsible for delivering a final research report and a comprehensive prioritized action list. Interested parties must respond by November 23, 2026, for this engagement categorized under NAICS code 541620.

Natural England

POSTED

about 5 hours ago

DEADLINE

OMH Habitat Mapping and Field Survey SpecialistThis subcontract for an OMH Habitat Mapping and Field Survey Specialist involves performing field-based identification and mapping of Open Mosaic Habitat for prime contractors on Natural England projects located in the Tees Estuary. The specialist is responsible for conducting field surveys and analyzing aerial photography and historical records to track habitat changes and map current resources. All work must be completed using GIS software and analysis tools while adhering to the S41 NERC Act and Protected Site Strategy standards. The final deliverables for this engagement consist of digital maps and associated data. Interested parties should note that the response deadline is November 23, 2026, and the project falls under NAICS code 541620.

Natural England

POSTED

about 5 hours ago

DEADLINE

Environmental EngineeringThis subcontract opportunity involves providing environmental engineering and assessment services for prime contractors working on City of Houston Public Works projects. The scope of work includes conducting environmental impact studies, managing permitting processes, and developing remediation designs. Key deliverables for the contract consist of comprehensive environmental assessment reports and the submission of necessary permit applications. The project falls under NAICS code 541620 and is associated with the City of Houston in Texas. Interested parties should note that the solicitation was posted on October 30, 2026, with a response deadline set for November 19, 2026.

City of Houston

POSTED

about 5 hours ago

DEADLINE

Environmental Services & SWPPPThis subcontract opportunity for the City of Houston involves providing specialized environmental services and the development of Stormwater Pollution Prevention Plans for prime contractors working on city infrastructure projects. The selected provider will be responsible for conducting comprehensive site assessments and impact mitigation planning, utilizing compliance software and environmental sampling kits to ensure all regulatory standards are met. The primary deliverables for this engagement include a detailed Environmental Impact Report and a fully approved SWPPP. Qualified candidates must possess a Certified Professional Erosion Control Specialist certification or an equivalent professional credential. This project falls under NAICS code 541620 and requires a response by December 3, 2026.

City of Houston

POSTED

about 5 hours ago

DEADLINE

in about 1 month

Foreign Language Interpreting and TranslationThis subcontract opportunity is for the provision of professional interpreting and translation services in French and Portuguese to support prime contractors on City of Tshwane projects in Tshwane-Pretoria, South Africa. The scope of work involves delivering high-quality oral and written translations specifically for international communications and foreign delegations. Qualified candidates must possess a Bachelor of Arts degree or an equivalent qualification, along with demonstrated proficiency in both French and Portuguese. Interested parties should note the response deadline of November 5, 2026, for this engagement under NAICS code 541990.

City of Tshwane

POSTED

about 6 hours ago

DEADLINE

South African Sign Language (SASL) InterpretingThis subcontract involves providing professional interpreting services between English or other official languages and South African Sign Language or AFSL for prime contractors working on City of Tshwane projects. The scope of work includes delivering real-time sign language interpretation and lip-speaking services during Council meetings, summits, and various public participation programs within Tshwane-Pretoria, South Africa. To qualify for this engagement, service providers must possess a relevant qualification in Sign Language interpreting and a minimum of three years of professional experience. Interested parties must submit their responses by November 5, 2026, in accordance with the solicitation posted by the City of Tshwane.

City of Tshwane

POSTED

about 6 hours ago

DEADLINE

Document Translation and EditingThis subcontract opportunity with the City of Tshwane involves providing professional translation and editing services for prime contractors. The scope of work includes translating official reports and communications between English and other official South African languages, utilizing standard translation software to ensure all deliverables align with the City's Language Policy. Qualified candidates must possess a Bachelor's degree in Arts or Social Sciences, or a Diploma in Language Practice, along with at least three years of relevant experience. The project is based in Tshwane-Pretoria, South Africa, with a response deadline set for November 5, 2026.

City of Tshwane

POSTED

about 6 hours ago

DEADLINE

Official Language Interpreting ServicesThe Official Language Interpreting Services subcontract for the City of Tshwane involves providing simultaneous and consecutive interpreting for prime contractors on various city projects. The scope of work includes delivering real-time oral translation at Council meetings, disciplinary hearings, conferences, and public participation programs, utilizing both specialized interpreting equipment and online platforms for remote delivery. Qualified providers must possess a Bachelor's degree in Arts or Social Sciences, or a Diploma in Language Practice, along with at least three years of professional experience. The services will be performed in Tshwane-Pretoria, South Africa, with a response deadline set for November 5, 2026.

City of Tshwane

POSTED

about 6 hours ago

DEADLINE

Manual Forestry Cutting & Habitat Protection

Fws Contracting Activity

POSTED

about 6 hours ago

DEADLINE

Mechanized Forestry Thinning Services

Fws Contracting Activity

POSTED

about 6 hours ago

DEADLINE