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CIRCINUS, LLC

UEI: FM8DNMBUN6R6CAGE: 3CPD7

CIRCINUS, LLC is a federal contractor, registered under UEI FM8DNMBUN6R6 and CAGE code 3CPD7. It has been awarded $24,943,070 across 49 federal contracts. Primary work spans All Other Professional, Scientific, and Technical Services, Engineering Services, and Professional and Management Development Training. Top awarding agencies include Department Of Defense, Department Of Defense (dod), and General Services Administration (gsa).

Contact Information

Registration and classification details

Registration

UEI Code

FM8DNMBUN6R6

CAGE Code

3CPD7

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

2XA5LJQF

NAICS Codes

334220Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
493110General Warehousing and Storage
513210Software Publishers
518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
519290Web Search Portals and All Other Information Services
+20 more

Federal Contracting Overview

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

AI Capability Profile

CIRCINUS, LLC specializes in delivering advanced computer-related services focused on environmental analysis, ecosystem management, and federal training curriculum development. Their core capabilities include designing and instructing technical training programs for natural resource decision-making ...

CIRCINUS, LLC specializes in delivering advanced computer-related services focused on environmental analysis, ecosystem management, and federal training curriculum development. Their core capabilities include designing and instructing technical training programs for natural resource decision-making systems, supporting complex planning workflows used by federal land management agencies, and implementing software-enabled tools that enhance environmental data integration and operational coordination. The contractor brings deep expertise in environmental informatics, curriculum design for federal workforce development, and the deployment of digital platforms that support interagency collaboration in natural resource governance. Their technical proficiency spans environmental modeling frameworks, geospatial data systems, and training delivery methodologies tailored to federal compliance and operational standards. CIRCINUS has established a consistent track record of service with the U.S. Department of Agriculture, particularly within the Forest Service, where they provide critical support to Ecosystem Management Coordination teams through training, process documentation, and decision-support system integration. Their work with the General Services Administration demonstrates proficiency in federal procurement infrastructure, including Federal Supply Schedule compliance and service delivery frameworks that align with government-wide acquisition policies. The contractor’s primary focus is on NAICS 541519—other computer-related services—which in practice translates to mission-critical software-enabled training, analytical support systems, and operational workflow automation for environmental and land management programs. They are positioned as a niche provider of technical training and systems support within the federal natural resources sector, bridging environmental science with digital implementation. CIRCINUS, LLC is a Service-Disabled Veteran-Owned Business headquartered in Leesburg, Virginia, operating as a small business under the 2L entity structure. Their certifications and geographic presence reinforce their alignment with federal small business initiatives and their strategic positioning within the Washington D.C. metropolitan government contracting ecosystem.

Key Performance Metrics

Awards Count

0

All time

Active

0

Currently performing

Completed

0

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 Defense$10.3M41.2%
Department Of Defense (dod)$10.0M40.2%
General Services Administration (gsa)$4.3M17.2%
Department Of Agriculture$370.5K1.5%
Awards by NAICS
Export
541990 - All Other Professional, Scientific, and Technical Services$16.6M66.5%
541330 - Engineering Services$3.6M14.5%
611430 - Professional and Management Development Training$2.2M8.7%
541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$827.3K3.3%
541611 - Administrative Management and General Management Consulting Services$760.9K3.1%
541618 - Other Management Consulting Services$628.0K2.5%
541519 - Other Computer Related Services$370.5K1.5%
Awards by Agency Over Time
Export
Awards by Place of Performance

Open opportunities in CIRCINUS, LLC's top NAICS codes and agencies

NAICS: 541618
New
SLED
AI Consulting Services IDIQThe Port of Seattle’s Information and Communications Technology Department is preparing to issue an Indefinite-Delivery, Indefinite-Quantity contract for AI consulting services to support the strategic use and implementation of artificial intelligence across its operations. The solicitation, posted on July 22, 2026, is classified under NAICS code 541618 for other scientific and technical consulting services and is intended to secure expert guidance in integrating AI technologies effectively, ethically, and efficiently within the port’s enterprise infrastructure. The contract will allow for multiple awards and flexible task orders to address evolving AI-related needs over time, without specifying a fixed scope or dollar value upfront. Primary contact for the opportunity is Carol Hassard, with Harold Federow serving as the project manager, both reachable through the Port of Seattle’s official communication channels. All performance will take place at locations associated with the Port of Seattle, though specific addresses are not listed. Interested vendors should monitor the official solicitation portal for the formal request for proposals, as this forecast notice serves as an early indicator of upcoming acquisition activity. The effort aims to enhance operational intelligence, automate processes, and ensure responsible AI adoption aligned with the port’s long-term digital transformation goals.
ICT Enterprise Infrastructure Services

POSTED

about 2 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 and balance, controls, and regulatory support services across Seattle-Tacoma International Airport’s critical facilities and infrastructure systems, operating within a demanding 24/7/365 environment. The scope encompasses identifying and resolving operational deficiencies in mechanical, HVAC, plumbing, lighting, direct digital controls, smoke control, and fire protection systems to enhance performance, energy efficiency, occupant comfort, reliability, and system longevity while ensuring full compliance with safety and regulatory mandates. Work is executed through Service Directives and requires close collaboration with Aviation Facilities and Infrastructure to meet project deliverables within the constraints of continuous airport operations. The contract is structured as an indefinite-delivery/indefinite-quantity (IDIQ) under NAICS code 541330, administered by the Port of Seattle’s Aviation Facilities and Infrastructure division. Primary point of contact is Jason Gates, with Jim Farris serving as project manager, both reachable via the Port of Seattle’s official channels. All work must be performed at the airport location, with no specified set-aside criteria, and solicitations will be issued under the established IDIQ framework to select qualified providers for individual service tasks as needed.
Aviation Facilities & Infrastructure

POSTED

about 2 hours ago

DEADLINE

N/A
View Details
NAICS: 541519
New
Federal
Combined Synopsis Solicitation for Direct Digital Control (DDC) Replacement for Building 1428 at Aviano AB ItalyThe contract entails the comprehensive replacement of building control systems at Aviano Air Base in Italy, specifically for Building 1428, requiring the installation of new Variable Air Volume field devices and controls, along with full upgrades to all major HVAC components including AHUs 1 through 4, domestic hot water systems, fresh air units, unit heaters, Mini Split units, chillers, chilled and hot water pumps, and the hot water boiler. All replaced devices must be integrated into the existing supervisory control system with full connectivity established, and the overall system must be professionally balanced to ensure optimal performance. Final documentation including detailed schematics of the completed work is required to accompany the deliverables. The solicitation number is FA5682-26-Q-8023, with a response deadline of August 1, 2026 at 14:00 UTC, and a mandatory site visit is scheduled for July 24, 2026 at 9:00 AM CET at the LVIS Gate, requiring all attendees to submit participant names and contact details at least one day in advance, with no more than two personnel per company permitted. The contract is issued by the Department of Defense under agency FA5682 31 Cons (unit 6102), with primary point of contact Mark Johnson-Smith and secondary contact SSgt Joseph Hudson, and the work is classified under NAICS code 541519 without any set-aside designation.
FA5682 31 Cons (unit 6102)

POSTED

about 8 hours ago

DEADLINE

in 10 days
View Details
NAICS: 541990
New
Federal
Engine Water Sample Testing for MH-65E aircraftThe United States Coast Guard’s Aviation Logistics Center in Elizabeth City, North Carolina, is seeking quotations for an Indefinite Delivery Requirements contract to perform Engine Water Sample Testing for the MH-65E aircraft under solicitation number 70Z03826QB0000147, issued as a Request for Quotation in accordance with FAR subpart 12.6. This is a Total Small Business Set-Aside under NAICS code 541990 with a small business size standard of $19.5 million, and all responsible small business concerns may submit quotations. The contract will have a five-year total period of performance, comprising a one-year base period and four one-year option periods, with task orders issued individually to fund requirements. A total of 100 water samples per year will be tested across all 17 identified locations and USCG cutters combined, not per location, and sample collection is the exclusive responsibility of USCG personnel, with all samples shipped directly to the contractor’s facility for analysis. The contractor must perform testing for aspect, pH, conductivity, dissolved solids, and ash in accordance with Section 303 of the Clean Water Act and USCG standards, providing test reports via email and mail within seven days of sample receipt. The work must be conducted at the contractor’s facility unless otherwise approved, with deliveries required within seven calendar days of sample receipt for each year, including option periods. The solicitation employs a Lowest Price Technically Acceptable evaluation method, where only the lowest-priced offer is initially evaluated for technical acceptability, proceeding to the next lowest if the first is unacceptable. Offerors must submit completed requirements documents with highlighted areas filled, and prices must remain firm for 60 days after the submission deadline, which is August 10, 2026, at 10:00 a.m. EDT. Invoices may be submitted five days after completion of testing or shipment, must comply with FAR 52.212-4, and will be processed electronically to ALC-Fiscal@uscg.mil. Payment will be made electronically per FAR 52.232-33, and invoices will not be approved until all items are receipted. The contract incorporates terms and conditions under DHS-specific clause 3052.212-70 with HSAR deviation 25-09 and System for Award Management deviation 25-19. Contractors are subject
Aviation Logistics Center (ALC)(00038)

POSTED

about 8 hours ago

DEADLINE

in 19 days
View Details