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21st Century Software Inc. 43416 COLTER CT. ASHBURN VA 20147-5342 USA

UEI: SLED_726BDCEEEAAF3400

21st Century Software Inc. 43416 COLTER CT. ASHBURN VA 20147-5342 USA is a federal contractor, registered under UEI SLED_726BDCEEEAAF3400. It has been awarded $2,330,874 in federal contracts. Primary work spans Engineering Services.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_726BDCEEEAAF3400

Federal Contracting Overview

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

AI Capability Profile

21st Century Software Inc. provides specialized engineering and production support for postal automation and sorting infrastructure. Their core capabilities include the build and production support of High Speed Flats Feeders (HSFF), demonstrating technical expertise in the research and deployment o...

Key Performance Metrics

Awards Count

1

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

$2.3M100%

Awards by NAICS

541330 - Engineering Services$2.3M100%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in 21st Century Software Inc. 43416 COLTER CT. ASHBURN VA 20147-5342 USA's top NAICS codes and agencies

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified Disadvantaged Business Enterprise and Small Business Enterprise sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency in San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. Relevant expertise should align with NAICS codes covering administrative management, engineering services, computer systems design, and public relations. Interested parties must submit their responses by November 17, 2026. The primary point of contact for this opportunity is Liz Jordan-Wettstein. This solicitation specifically targets DBE-certified firms to support the critical infrastructure and operational resilience of the utility agency within the state of California.

Aanko Technologies Inc.

POSTED

about 5 hours ago

DEADLINE

Civil Engineering Sub-consultantThis subcontract for a Civil Engineering Sub-consultant involves providing specialized site planning, grading, and utility design services for prime contractors working on facility projects at East Texas A&M University. The selected consultant will be responsible for developing comprehensive site and grading plans, as well as designing utility connections and storm water management systems that adhere to university system standards and local statutory requirements. Technical execution requires the use of GIS software and Civil 3D to produce final site plans, grading plans, and detailed drainage reports. A critical qualification for this engagement is that the provider must employ a Licensed Professional Engineer registered in the State of Texas. The opportunity is categorized under NAICS code 541330, with a response deadline set for November 6, 2026.

East Texas A&M University

POSTED

about 6 hours ago

DEADLINE

MEP Engineering Sub-consultantThis subcontract opportunity is for an MEP Engineering Sub-consultant to provide specialized design services for facility projects at East Texas A&M University. The selected firm will be responsible for designing mechanical, electrical, and plumbing systems, including HVAC, power, lighting, and plumbing layouts. Key deliverables include MEP drawings, load calculations, and equipment schedules, all developed using BIM/CAD software and energy modeling tools to ensure technical accuracy and the avoidance of architectural conflicts. To qualify for this role, the provider must employ a Licensed Professional Engineer in the State of Texas. The contract falls under NAICS code 541330 and requires the preparation of detailed technical specifications to support prime contractors. Interested parties should note the response deadline of November 6, 2026.

East Texas A&M University

POSTED

about 6 hours ago

DEADLINE

Structural Engineering Sub-consultantThis subcontract opportunity is for a Structural Engineering Sub-consultant to provide specialized analysis and design services for facility projects at East Texas A&M University. The selected consultant will support prime contractors by developing structural calculations and drawings, reviewing design documents for constructability, and ensuring all work conforms to applicable building codes. Technical proficiency in structural analysis software such as Revit, RISA, or ETABS is required to deliver signed and sealed specifications, calculations, and drawings. A critical requirement for this engagement is that the provider must be a Licensed Professional Engineer in the State of Texas. Interested parties should note that the response deadline is November 6, 2026. The project falls under NAICS code 541330 and is managed through the state of Texas procurement system.

East Texas A&M University

POSTED

about 6 hours ago

DEADLINE

Roofing Specialist ConsultantThe Roofing Specialist Consultant subcontract involves providing specialized technical expertise in roofing systems to support prime architecture and engineering contractors on projects for the Ohio Facilities Construction Commission. The scope of work includes conducting field investigations for more than eight buildings to evaluate the viability of metal roof recoating versus full replacement and developing specifications for insulated roof panels. The selected consultant is responsible for delivering detailed technical assessment reports and comprehensive material specifications. This opportunity is categorized under NAICS code 541330, with a response deadline set for November 30, 2026.

Oh Facilities Construction Com

POSTED

about 7 hours ago

DEADLINE

in about 1 month

DRC-27F522-PCI Roof - AE - RFQ

Solicitation # DRC-27F522

Solicitation DRC-27F522 is a request for professional architectural and engineering services issued by the Ohio Facilities Construction Commission for roof replacement and recoating projects in Ohio. The scope of work includes replacing or recoating metal roofs for the A Dorm, B Dorm, OPI Print Shop, Multipurpose Building, and TPU Building, replacing the flat roof on the B Building, and evaluating the Programs Building and Frasier Health Center for potential life extension or replacement. Key deliverables include a Program of Requirements based on a comprehensive site survey, design and construction oversight, and Building Information Modeling deliverables. The total project cost is estimated at 6,000,000 dollars, with a construction budget of 5,100,000 dollars and an estimated basic fee range between 433,500 and 459,000 dollars. The selection process utilizes a weighted scoring system based on Statements of Qualifications, evaluating firms on their proximity to the project site, previous fees awarded by the contracting authority within 24 months, and the number of licensed professionals. The procurement includes a 5.0 percent EDGE participation goal, and firms must submit a Commitment to Participate in the EDGE Business Assistance Program via the OhioBuys portal by November 30, 2026. Contract administration involves monthly payments for additional services and reimbursable expenses based on professional service pay requests. The agreement is governed by standard terms and conditions, including strict adherence to ODRC and OFCC policies, non-discrimination laws, and a drug-free safety program.

Oh Facilities Construction Com

POSTED

about 7 hours ago

DEADLINE

in about 1 month

Structural Engineering ServicesThis subcontract for Structural Engineering Services supports prime contractors on heavy civil infrastructure projects for the City of Okeechobee in Florida. The scope of work involves performing structural analysis and design for bridges, culverts, and retaining walls, utilizing specialized CAD and structural analysis software. The selected provider will be responsible for delivering comprehensive structural study reports, detailed design drawings, and supporting calculations. To qualify for this engagement, the provider must hold a Professional Engineer license in the State of Florida with a specific focus on structural engineering. Interested parties should note that the response deadline is November 6, 2026, and the services fall under NAICS code 541330.

City of Okeechobee

POSTED

about 7 hours ago

DEADLINE

Traffic Engineering ServicesThis subcontract for Traffic Engineering Services involves providing traffic data collection and analysis for prime contractors working on City of Okeechobee infrastructure projects. The scope of work includes conducting traffic counts, preparing detailed traffic studies, and developing maintenance traffic designs utilizing pneumatic tubes, video detection, and traffic simulation software. Key deliverables for the project consist of traffic count data reports, traffic impact analysis reports, and comprehensive traffic design plans. To be eligible for this engagement, the service provider must hold a Professional Engineer license in the State of Florida. The opportunity is categorized under NAICS code 541330 and was posted on October 21, 2026, with a response deadline of November 6, 2026.

City of Okeechobee

POSTED

about 7 hours ago

DEADLINE

REQUEST FOR QUALIFICATIONS (RFQ) NO. 2026-001 PROFESSIONAL ENGINEERING SERVICES

Solicitation # RFQ-2026-001

The City of Okeechobee, Florida, is seeking highly qualified, State of Florida licensed Civil Engineers to provide professional engineering services on an as-needed basis. This solicitation, RFQ-2026-001, is conducted in compliance with the Consultants Competitive Negotiation Act (CCNA) per Florida Statute 287.055. The selected professional or firm will enter into a basic agreement for an initial term not to exceed three years, with the possibility of two additional three-year renewals. Services include the preparation of construction documents, cost estimates, record drawings, and construction inspection services. Selection is based on qualifications, with a primary focus on at least five years of relevant experience in professional engineering concepts and the ability to work within the City's budget and time constraints. An evaluation committee of at least three City employees will review submittals and provide recommendations to the City Council for final selection. Respondents must submit one original and six copies of their proposal, along with a PDF version on a flash drive, by November 30, 2026, at 3:00 PM EST. Required documentation includes a transmittal letter, qualification information via Standard Form 330 or 254/255, resumes for up to three key employees, and various certifications including anti-collusion, conflict of interest, and MBE status statements. The retained firm must maintain comprehensive insurance coverages, including Professional Liability and Errors and Omissions insurance of 1,000,000 dollars aggregate, and Comprehensive General Liability of 1,000,000 dollars per occurrence. The City of Okeechobee must be named as an additional insured on all policies. All inquiries regarding this solicitation should be directed to the General Services Director.

City of Okeechobee

POSTED

about 7 hours ago

DEADLINE

in about 1 month

Electronics Engineering & Deficiency AnalysisThis subcontract for Electronics Engineering and Deficiency Analysis supports US Air Force C-5 Digital Computer projects under the Department of Defense. The selected contractor will perform critical engineering analysis to investigate system failures, conduct root cause analysis for Deficiency Reports, and develop Material Improvement Projects. Additionally, the scope includes reverse engineering to recover missing technical data, utilizing logic analyzers and diagnostic test equipment to produce detailed engineering reports and design specifications. The work is performed in Warner Robins, Georgia, under NAICS code 541330. A mandatory requirement for this engagement is compliance with DFARS 252.204-7012 regarding the safeguarding of covered defense information. Interested parties must submit their responses by November 20, 2026.

FA8538 Afsc Pzaab

POSTED

about 9 hours ago

DEADLINE

DMS Engineering Support and Obsolescence ResolutionThis subcontract, titled DMS Engineering Support and Obsolescence Resolution, provides critical engineering analysis for prime contractors supporting Air Force Sustainment Center F-15 DMS projects. The scope of work focuses on resolving obsolete part issues, investigating Deficiency Reports, and supporting Material Improvement Projects through the use of component analysis tools and engineering design software. Key deliverables include detailed engineering reports, specifications for replacement parts, and formal recommendations for material improvements. The project is managed under the Department of Defense for the AFSC PZAAB agency and is performed in Warner Robins. Due to the technical nature of the work, personnel are required to hold specialized degrees in electronics or avionics engineering and maintain the necessary security clearances. The opportunity is categorized under NAICS code 541330, with a response deadline set for November 5, 2026.

FA8538 Afsc Pzaab

POSTED

about 9 hours ago

DEADLINE

Facility Planning & Integration ServicesThis subcontract for Facility Planning and Integration Services supports prime contractors on Department of Energy projects at the Oak Ridge National Laboratory. The scope of work involves comprehensive facility planning and installation services, specifically focusing on the requirements for power, HVAC, flooring, and gas lines. The provider is responsible for delivering technical support, installation guidance, and commissioning to ensure a fully operational L-PBF system. A critical component of the contract is the integration of Environment Safety and Health standards in accordance with DOE 970.5223-1. The project is categorized under NAICS code 541330 and is managed by ORNL UT-Battelle LLC. All work is to be performed in Oak Ridge, Tennessee, with the final delivery consisting of complete facility planning documentation and a commissioned system.

Ornl Ut-Battelle Llc-Doe Contractor

POSTED

about 9 hours ago

DEADLINE

Mechanical Engineering Design - Chiller SystemsThis subcontract opportunity is for mechanical engineering design services to support the Department of Veterans Affairs New England Healthcare System. The selected contractor will provide technical design and engineering specifications for chiller repair projects, with a specific focus on addressing cooling and oil leaks for Chiller 3. Key responsibilities include conducting user interviews, preparing detailed engineering drawings, and developing cost estimates, all while ensuring strict compliance with VA Technical Information Library standards. The project requires a licensed Professional Engineer and is designated as a Service-Disabled Veteran-Owned Small Business set-aside under NAICS code 541330. Performance will take place in Augusta, Maine. Interested parties must submit their responses by November 20, 2026, to provide the necessary technical specifications and design deliverables required by the prime contractor.

241-NETWORK Contract Office 01 (36C241)

POSTED

about 9 hours ago

DEADLINE

Fuel Tank Visual Inspection and Systems CertificationThis small business set-aside subcontract, managed by the Department of Homeland Security for the U.S. Coast Guard, involves providing detailed visual inspections and systems certification for fuel tanks on vessel projects in Corpus Christi, Texas. The selected contractor will be responsible for verifying the structural integrity of bulkheads, floor, and overhead plating, as well as ensuring the proper seating of gaskets. Additionally, the scope includes testing vent check valves and tank level indicators, which must be performed in the presence of a Coast Guard Inspector. To ensure compliance and quality, the contractor is required to implement a formal Quality Control Program. The primary deliverables for this engagement consist of comprehensive structural inspection reports and official operational certifications. Interested parties must respond by October 27, 2026, under NAICS code 541330.

POSTED

about 9 hours ago

DEADLINE

Architectural & Engineering (A&E) Design ServicesThis subcontract for Architectural and Engineering Design Services involves providing full design services for prime contractors on USACE Collective Training Unaccompanied Housing projects located at Fort Wolters in Mineral Wells, Texas. The selected provider will be responsible for developing site planning and architectural drawings designed for a minimum 25-year lifespan, ensuring all work adheres to sustainable design policies and DoD Unified Facilities Criteria UFC 1-200-02. The final deliverables for this engagement include a comprehensive design package consisting of detailed blueprints and technical specifications. This opportunity is managed under the Department of Defense through the W076 Endist Ft Worth agency, falling under NAICS code 541330.

W076 Endist Ft Worth

POSTED

about 9 hours ago

DEADLINE

Cleanroom Engineering and Design ServicesThis subcontract for Cleanroom Engineering and Design Services involves providing specialized engineering design support for prime contractors working on Federal Bureau of Prisons pharmacy projects under the Department of Justice. The primary objective is the design of a modular cleanroom suite measuring approximately 10 feet 9 inches wide by 18 feet 10.5 inches deep by 9 feet high. The project requires strict adherence to USP 797 compliance and pharmaceutical environmental standards to ensure a safe and sterile environment. The scope of work includes the integration of critical utilities such as HVAC, electrical, plumbing, and fire suppression systems. The selected provider will be responsible for delivering comprehensive engineering design documents and detailed technical specifications. Performance for this contract is located in Fort Worth, Texas, under NAICS code 541330.

POSTED

about 9 hours ago

DEADLINE

Lightning Protection System (LPS) Verification ConsultantThe Department of Veterans Affairs is seeking a Lightning Protection System (LPS) Verification Consultant for a subcontract opportunity set aside for Service-Disabled Veteran-Owned Small Businesses. The selected consultant will support prime contractors on VA medical center projects by performing technical verification and testing of installed grounding and lightning protection systems. Key responsibilities include conducting continuity and ground resistance testing via Fall-of-Potential methods and ensuring all integrations with electrical grounding comply with NFPA 780 or UL 96A standards. The consultant must utilize specialized ground resistance testers to validate system integrity and is required to deliver formal LPS testing reports and grounding certifications. This opportunity falls under NAICS code 541330 and is managed by the Network Contract Office 10. Interested parties must submit their responses by November 5, 2026.

250-NETWORK Contract Office 10 (36C250)

POSTED

about 9 hours ago

DEADLINE

Roofing Commissioning and Quality Assurance ConsultantThe Department of Veterans Affairs is seeking a Roofing Commissioning and Quality Assurance Consultant for a subcontract opportunity set aside for Service-Disabled Veteran-Owned Small Businesses under NAICS code 541330. The selected consultant will provide independent verification and testing of roofing installations for prime contractors at VA medical centers. Key responsibilities include conducting site visits to verify materials, inspecting flashing and membrane installations according to specifications, and utilizing specialized equipment such as infrared cameras and electronic leak detection tools to perform thermography and moisture scans. The consultant is required to deliver comprehensive commissioning reports, deficiency logs, and final performance certifications to ensure all work meets project standards. This opportunity was posted on October 21, 2026, with a response deadline of November 5, 2026. The contract is managed through the Network Contract Office 10.

250-NETWORK Contract Office 10 (36C250)

POSTED

about 9 hours ago

DEADLINE