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NAICS Code· 541511

NAICS 541511: Custom Computer Programming Services

This U.S. industry comprises establishments primarily engaged in writing, modifying, testing, and supporting software to meet the needs of a particular customer. Cross-References. Establishments primarily engaged in--Show more

NAICS 541511 – Custom Computer Programming Services encompasses the design, development, and deployment of bespoke software solutions tailored to meet specific operational needs of federal agencies. This sector includes mission-critical applications for data management, workflow automation, legacy system modernization, API integration, and enterprise resource planning systems built from the ground up, rather than off-the-shelf or commercial off-the-shelf (COTS) implementations.

646
Active Contracts
$4.7B
Total Obligations (12mo)
2.6K
Awarded Contracts (12mo)
1.3K
Contractors Awarded (12mo)
1
Median Bidders per Award
-58.2%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 541511 — Custom Computer Programming Services.

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NAICS 541511 FAQ

Frequently Asked Questions

NAICS code 541511 covers Custom Computer Programming Services. This U.S. industry comprises establishments primarily engaged in writing, modifying, testing, and supporting software to meet the needs of a particular customer. Cross-References. Establishments primarily engaged in--

Recently Posted in Custom Computer Programming Services

NAICS: 541511
New
SLED
Call 001 0068-0217
Solicitation # 0068-0217
The solicitation titled Call 001 0068-0217, posted on September 2, 2026, with a response deadline set for the same date, is issued by the Connecticut Department of Transportation under the NAICS code 541511 for computer systems design services. It is categorized as a state, local, or educational (SLED) agency procurement and targets competitive bidding for services to be performed in Windham, Connecticut. The contract leverages a suite of tools including Bid Tab Analysis and Competitor Insights, enabling bidders to examine historical pricing data across items and locations to benchmark against other vendors and gain a strategic advantage in proposal development. Although the office address details are incomplete, the place of performance is clearly defined as Windham, CT, and the solicitation is accessible through a designated UI link for further submission details. No set-aside classification is specified, indicating an open competition eligible to all qualified contractors.
Connecticut Department of Transportation

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NAICS: 541511
New
SLED
Call 311 B%20-43492-A
Solicitation # B%20-43492-A
The contract solicitation B-43492-A, issued by the Indiana Department of Transportation, is a solicitation dated September 2, 2026, with a response deadline on the same day. It falls under NAICS Code 541511, indicating it relates to computer systems design and related services. The place of performance is specified as Delaware, Indiana, and the contracting entity operates under the state government sector. Bidders have access to advanced analytics tools, including historical pricing data and competitor insights, enabling them to compare past bids and pricing trends across similar items and locations to strengthen their proposals. The solicitation does not specify a set-aside type and no point of contact information is provided. The full details and submission portal can be accessed through the provided UI link.
Indiana Department of Transportation

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NAICS: 541511
New
SLED
Call 341 B%20-44104-A
Solicitation # B%20-44104-A
The solicitation titled Call 341 B-44104-A, issued by the Indiana Department of Transportation under NAICS code 541511, is open for response with a deadline set for September 2, 2026. This is a state-level government opportunity targeting professional services, specifically within the computer systems design and related services category. The place of performance is designated as White, Indiana, and the contract is categorized under SLED—State, Local, and Educational government procurement. Bidders are expected to leverage Bid Tab Analysis and Competitor Insights tools to examine historical pricing data across items and locations, enabling strategic comparisons with other proposers to strengthen their bid competitiveness. All submissions must be made through the official UI link provided, and no point of contact information is listed within the solicitation details.
Indiana Department of Transportation

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NAICS: 541511
Closed
SLED
Call 205 22922
Solicitation # 22922
Call Order 205, Contract ID 22922, is a solicitation issued by the Nebraska Department of Transportation for the District 2 DMS Replacement project located in Sarpy and Douglas counties. The scope of work involves upgrading Dynamic Message Sign structures according to construction plans, with work performed under traffic using approved temporary traffic control. The project has a tentative start date of April 5, 2027, and a contract duration of 130 working days. Bids were due by August 27, 2026, and the award is based on the lowest responsive responsible bid from a prequalified contractor. The contract is governed by the 2017 Edition of the Standard Specifications for Highway Construction, with various subsections amended or voided. Key compliance requirements include the federal Buy America Act, Build America Buy America Act, and Davis-Bacon labor standards. Contractors must adhere to strict electronic payroll submission guidelines and prompt payment reporting for lower-tier subcontractors. Final acceptance is contingent upon the system operating satisfactorily for at least 14 days and the successful completion of system testing, including fiber optic connector inspections and resistance to ground measurements. Additional requirements include certifications regarding debarment, suspension, and lobbying for covered transactions.
Nebraska Department of Transportation

POSTED

1 day ago

CLOSED

1 day ago
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NAICS: 541511
New
SLED
Learning Management System (LMS) Integration Development
Lone Star College

POSTED

1 day ago

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in 26 days
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NAICS: 541511
New
SLED
API Integration & Electronic Data Interchange (EDI)
Doh500200 Office Of Mgmt Info Sys Dohcol

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1 day ago

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in 26 days
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NAICS: 541511
New
Federal
SENTINEL Secure Chat Server
Solicitation # N6523626QE378
Naval Information Warfare Command Atlantic, Code 22130, intends to award a firm-fixed price purchase order on a non-competitive basis to Trusted Solutions, LLC for the procurement of Sentinel Secure Chat Servers. This notice serves as a presolicitation and is not an invitation for competitive bidding; interested parties are responsible for all costs associated with responding, and the government will not reimburse any expenses. The solicitation number is N6523626QE378, with a posting date of August 10, 2026, and a response deadline of August 17, 2026, at 9:00 PM Eastern Time. The NAICS code 541511 applies, indicating the nature of the service as custom computer programming. The contracting office is located in North Charleston, South Carolina, and all responses must be submitted via email to Brianna Busby, the primary point of contact, at brianna.a.busby2.civ@us.navy.mil. No set-aside classification is specified, and the place of performance details are not provided. The full requirement details are available in the attached documentation referenced in the notice.
Niwc Atlantic

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1 day ago

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NAICS: 541511
New
Federal
Launch Vehicle Probabilistic Reliability Risk Analysis Services
Solicitation # 80KSC026QA002
NASA/KSC is seeking Event Sequence Diagrams populated with accident failure scenarios and outcome services for nuclear launch vehicles. The agency intends to award a sole source Blanket Purchase Agreement to Advanced Systems Concepts Associates due to their proprietary process and extensive global launch vehicle database, which provides a unique capability not found elsewhere. Interested organizations must submit their qualifications and capabilities to Allyson Grooms by 12:00 PM EST on September 11, 2026. These submissions will be used to determine if the acquisition will proceed on a competitive basis or remain a sole source award. The project falls under NAICS code 541511 and will be performed in Redondo Beach, California.
National Aeronautics And Space Administration

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1 day ago

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NAICS: 541511
New
Federal
AF Product Lifecycle Management
Solicitation # FA8770-26-R-B009-SS
The United States Air Force is seeking industry feedback through a sources-sought request for its Enterprise Product Lifecycle Management solution. Currently utilizing Siemens Teamcenter within the Cloud One environment, the USAF aims to modernize the management of weapon systems by integrating engineering, manufacturing, sustainment, and asset retirement activities. The primary objective is to overcome challenges related to fragmented legacy systems and disconnected data silos to establish an authoritative source of truth for product data. This Request for Information, identified by solicitation number FA8770-26-R-B009-SS, is managed by the Department of Defense under NAICS code 541511. The Air Force is looking for innovative technical approaches to improve configuration management and streamline workflows. Interested vendors must provide responses by September 11, 2026, to help the agency refine its requirements and shape future acquisition strategies for enhancing the AF-PLM capability.
FA8770 Aflcmc Gbk

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1 day ago

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NAICS: 541511
New
Federal
NRIC ARIES Software Development
Solicitation # INL-26-051
Battelle Energy Alliance, LLC is seeking an Expression of Interest from qualified software development vendors to provide backend engineering, integration, and documentation support for the National Reactor Innovation Center's ARIES platform. This digital platform is designed to translate DOE licensing and safety guidance into a structured software system to support advanced reactor demonstration projects. The project is scheduled to run from September 1, 2026, through February 27, 2027, and may be performed remotely. The scope of work involves designing backend data layers, developing REST API endpoints for CRUD workflows, and creating integration adapters for external systems such as IBM DOORS and PTC Windchill. Vendors must demonstrate expertise in backend system design, structured data modeling, and prototype-driven development. This EOI serves as a preliminary step to identify qualified candidates who may be invited to participate in a subsequent Request for Proposal process. Submissions are due by August 31, 2026.
Battelle Energy Alliance–doe Cntr

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1 day ago

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NAICS: 541511
New
Federal
Call for Solutions: Fog Tester Analysis Software Application
Solicitation # W911QY-26-R-FOG
The U.S. Army Contracting Command, Aberdeen Proving Ground, Natick Division, is seeking advancements in the development of a Fog Tester Analysis Software application under solicitation W911QY-26-R-FOG. This initiative, managed by the DEVCOM-SC Soldier Protection Directorate, aims to replace the current BarTarget process with a post-test image analysis sub-program capable of analyzing video images, calculating contrast ratios, plotting results, and generating calibration files and pass/fail outputs. The project involves a 12-month period of performance and requires adherence to strict software assurance standards, including secure coding, SAST, SCA/SBOM, and ASD STIG compliance. Phase 1 requires a Solution Brief not exceeding eight written pages, excluding the title page and OCI analysis. All offerors must possess an active and assigned CAGE code at the time of submission to be considered for evaluation. The process includes a Phase 3 Request for Solution Proposal, with specific requirements and evaluation criteria to be outlined in the invitation to that phase. The submission deadline for the solution brief is September 4, 2026. The effort involves handling Controlled Unclassified Information and requires compliance with DFARS and NIST SP 800-171 standards.
W6QK Acc-Apg Natick

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1 day ago

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NAICS: 541511
New
Federal
HAZ-X Service Maintenance
Solicitation # W15QKN-26-Q-1CHC
The U.S. Army Technical Center for Explosives Safety requires professional engineering services to modernize the proprietary HazX software. The scope of work includes fixing software defects, improving the user interface, adding new analytical features for explosives siting scenarios, and updating user documentation. The period of performance is expected to run from the date of award through September 30, 2027. This is a notice of intent to sole source the contract to ARCTOS Technology Solutions, LLC, as they own the intellectual property and source code. While the government intends to issue a Request for Proposal directly to ARCTOS, other responsible sources may submit capability statements demonstrating their technical expertise and legal authorization to modify the software by September 11, 2026. This opportunity is designated as a total small business set-aside under NAICS code 541511.
W6QK Acc-Ri-Picatinny

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