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Welfl Construction Corporation 800 W 23RD ST YANKTON, SD, 57078-1207

UEI: SLED_0C8DD8367145A839

Welfl Construction Corporation 800 W 23RD ST YANKTON, SD, 57078-1207 is a federal contractor, registered under UEI SLED_0C8DD8367145A839. It has been awarded $19,350 in federal contracts. Primary work spans Tile and Terrazzo Contractors. Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_0C8DD8367145A839

Federal Contracting Overview

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

AI Capability Profile

Welfl Construction Corporation provides specialized facility maintenance and repair services. Their technical expertise includes flooring installation and surface restoration, specifically within critical infrastructure environments such as generator rooms. The company has experience supporting the...

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

Department Of Defense$19.4K100%

Awards by NAICS

238340 - Tile and Terrazzo Contractors$19.4K100%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in Welfl Construction Corporation 800 W 23RD ST YANKTON, SD, 57078-1207's top NAICS codes and agencies

Flooring and Ceiling InstallationThis subcontract opportunity involves the installation of interior flooring and ceiling systems for a North Carolina Department of Transportation maintenance office located in Burnsville, NC. The selected contractor will be responsible for providing and installing all necessary flooring materials, as well as the ceiling grid and tiles, acting as a subcontractor to the prime contractor. Managed by the State of North Carolina Construction Office under NAICS code 238340, the solicitation was posted on October 15, 2026. Interested parties must submit their responses by the deadline of November 10, 2026, at 4:00 PM.

State of NC - Construction Office

POSTED

DEADLINE

Tile and WaterproofingThis subcontract opportunity is for tile and waterproofing services for facility projects within the El Segundo Unified School District in El Segundo, California. The selected contractor will work under prime contractors to deliver fully tiled and waterproofed restroom interiors, which includes the removal and replacement of full-height wall and floor ceramic tiles. Additionally, the scope of work requires the installation of waterproofing membranes extending two feet high on the walls. The project is categorized under NAICS code 238340. Interested parties must submit their responses by the deadline of October 29, 2026. This contract ensures that school district restrooms are fully renovated with professional ceramic installations and essential moisture protection.

El Segundo Unified School District

POSTED

DEADLINE

Commercial Carpet Installation ServicesThis subcontract for Commercial Carpet Installation Services involves the removal of existing flooring and the installation of commercial-grade carpet at the Frank Wing Building for the City of San Antonio. The scope of work covers two floors, specifically targeting high-traffic administrative areas, offices, and courtrooms, requiring the use of professional tools and adhesives to ensure a complete installation across all specified rooms. Qualified vendors must meet the specific requirements set by the City of San Antonio to be eligible for this project. The solicitation was posted on October 14, 2026, with a response deadline of October 28, 2026. This project falls under NAICS code 238340 and is managed through the Texas state procurement system.

CITY OF SAN ANTONIO

POSTED

DEADLINE

Flooring and TilingThis subcontract opportunity is for flooring and tiling services to support prime contractors on facility projects within the Glendora Unified School District in Glendora, California. The scope of work involves the installation of carpet, tile, and resilient flooring across various school classrooms and common areas. To be eligible for this contract, providers must hold a valid California Contractor State License Board license. The solicitation was posted on October 14, 2026, and requires responses to be submitted by February 14, 2027. Classified under NAICS code 238340, the contract focuses on the delivery of completed flooring installations to improve district facilities.

Glendora Unified School District

POSTED

DEADLINE

Commercial Door and Hardware InstallationThis subcontract for Commercial Door and Hardware Installation involves the supply and installation of interior and security closet doors for prime contractors working on W072 Endist Louisville facility projects. The scope of work requires the delivery of fully functioning installations utilizing Classic S-Series frames, solid core flush wood doors, McKinney hinges, and Yale entry lever cylinder locksets equipped with SFIC cores. The project is managed under the Department of Defense and will be performed in San Antonio, Texas, within the 78247 zip code. Interested parties must adhere to the response deadline of October 30, 2026, for this opportunity categorized under NAICS code 238340.

W072 Endist Louisville

POSTED

DEADLINE

Doors, Frames, and Hardware InstallationThis subcontract involves the supply and installation of commercial-grade doors, frames, and hardware for prime contractors working on US Army Corps of Engineers facility projects. The scope of work specifically requires the installation of Classic S-Series frames, solid core flush wood doors, McKinney hinges, and Yale Entry Lever Cylinder Locksets featuring 7-Pin SFIC Cores to ensure fully functioning interior entryways. Managed by the Department of Defense under the W072 Endist Louisville agency, the project is located in Clarksville, zip code 47129. The opportunity falls under NAICS code 238340, with a posting date of October 14, 2026, and a response deadline of October 30, 2026.

W072 Endist Louisville

POSTED

DEADLINE

Flooring Installation (Tile & VCT)This subcontract for the Department of Defense, managed by the W072 Endist Louisville, involves the installation of specialized flooring for US Army Corps of Engineers projects located in Fort Worth, Texas. The scope of work requires the installation of unpolished non-slip porcelain tiles in high-traffic areas such as entryways, hallways, and restrooms, as well as vinyl composition tile in storage areas. All work must be executed according to approved floor plans and specific pattern transitions. The contractor is required to maintain strict adherence to ADA, ABAAS, and OSHA standards to ensure safety and accessibility across all designated zones. This opportunity falls under NAICS code 238340, with a response deadline set for October 30, 2026.

W072 Endist Louisville

POSTED

DEADLINE

Door, Frame, and Hardware InstallationThis subcontract opportunity, managed by the Department of Defense under the W072 Endist Louisville agency, involves the supply and installation of interior doors and hardware for prime contractors on US Army Corps of Engineers projects. The scope of work specifically requires the installation of solid core flush wood doors, Timely Classic S-Series frames, and Yale SFIC 7-pin entry lever cylinder locksets in satin chrome to ensure fully functioning interior door and locking systems. The project is located in Baton Rouge, Louisiana, and falls under NAICS code 238340. Interested parties must submit their responses by the deadline of October 30, 2026, following the posting date of October 14, 2026.

W072 Endist Louisville

POSTED

DEADLINE

F.E. Warren Resident Office Janitorial Service

Solicitation # W9128F27QA003

Solicitation W9128F27QA003 is a firm-fixed-price, performance-based contract for janitorial services at the U.S. Army Corps of Engineers F.E. Warren Resident Office in Wyoming. The scope of work includes providing all personnel, equipment, and supplies to maintain Building 305 (1,100 sf) and Building 306 (2,200 sf). The requirement consists of a six-month base period from November 1, 2026, through April 30, 2027, with three subsequent 12-month option years extending through April 30, 2030. Services include scheduled cleaning for eight employees, semi-annual and annual deep cleanings, and a requirement to perform corrective actions for missed cleanings within eight hours of notification. This opportunity is a total small business set-aside. Award decisions will be based on the most advantageous offer considering price and other factors, specifically experience and technical capability. Experience is evaluated based on two examples of similar projects, with preferential ratings given to those with consecutive years of experience in Corps of Engineers janitorial contracts. Technical evaluations focus on the firm's organizational structure, proposed quality assurance measures, and knowledge of the local Laramie County and F.E. Warren AFB area. Offerors must submit a single PDF proposal not exceeding ten pages, excluding the price worksheet and administrative documents, by the specified deadline.

W071 Endist Omaha

POSTED

DEADLINE

in about 11 hours

Non-Slip Roll-On Flooring InstallationThis subcontract involves the installation of high-performance, non-slip roll-on flooring for prime contractors working on State of Alaska Department of Military and Veterans Affairs projects located at Joint Base Elmendorf-Richardson. The scope of work requires the application of high-use flooring materials in strict adherence to manufacturer standards for substrate readiness and installation to ensure a fully installed and cured system. Classified under NAICS code 238340, the project is managed by the State of Alaska. The contract focuses on delivering durable, specialized flooring solutions that meet rigorous military and state specifications for safety and performance.

Military and Veterans' Affairs

POSTED

DEADLINE

GARRISON TRASH RACK MODIFICATION CRANE RENTAL

Solicitation # W9128F26QA099

Solicitation W9128F26QA099 is a firm-fixed-price service contract issued by the U.S. Army Corps of Engineers, Omaha District, for the rental of a crane and a qualified operator at the Garrison Dam near Riverdale, North Dakota. The primary objective is to support the modification of intake trash racks to conserve cool waters for fishery missions during drought conditions. The contractor is responsible for providing all equipment, tools, vehicles, and supervision necessary to lift and lower trash racks weighing between 30,000 and 33,000 pounds, with the capacity to overcome friction factors up to 41,000 pounds. The period of performance is scheduled from October 30, 2026, through June 30, 2027. This procurement is a total set-aside for Women-Owned Small Businesses and Economically Disadvantaged Women-Owned Small Businesses under NAICS 238990. Award will be based on the most advantageous offer, evaluating price alongside technical information and past performance, including three project examples from the last two years. Key compliance requirements include adherence to EM 385-1-1 safety standards, the submission of a site-specific Accident Prevention Plan and Lift Plan, and compliance with Service Contract Act wage determinations for North Dakota. Following Amendment 0001, the closing date for the submission of offers has been extended to October 23, 2026, at 2:00 PM.

W071 Endist Omaha

POSTED

DEADLINE

Solid Surface Shower EnclosuresThis subcontract opportunity is for the supply and installation of solid surface materials for shower enclosures within UNC-Chapel Hill Academic Affairs facility projects. The selected provider will be responsible for the fabrication and installation of non-porous solid surface wall panels and bases, ensuring the delivery of completed shower enclosures to prime contractors. Managed by the UNC System Office of Design and Construction in North Carolina, the project falls under NAICS code 238340. Interested parties must submit their responses by the deadline of November 12, 2026, following the posting date of October 13, 2026.

Unc - System Office Design/construction

POSTED

DEADLINE

Communication Line InstallationThis subcontract opportunity, titled Communication Line Installation, involves the installation of communication lines and supporting utility infrastructure for prime contractors on USACE Omaha District projects located at Ellsworth AFB. The primary objective is to execute the Comm Line bid option and associated utilities to ensure complete facility usability and the delivery of fully functional connections. Managed by the Department of Defense under the W071 Endist Omaha agency, this project is designated as a total Small Business Set Aside under NAICS code 237130. Interested parties must submit their responses by the deadline of October 28, 2026.

W071 Endist Omaha

POSTED

DEADLINE

Demolition and Hazmat RemediationThis small business set-aside subcontract, managed by the Department of Defense under the USACE Omaha District, involves demolition and hazardous materials remediation at Ellsworth Air Force Base. The scope of work focuses on the demolition of 1950s-era igloos and associated infrastructure, alongside the removal of soils contaminated with PCBs or asbestos to deliver a site fully cleared for future construction. Qualified contractors must possess specific hazardous materials disposal certifications to perform the work under NAICS code 562910. The solicitation was posted on October 9, 2026, with a response deadline set for October 28, 2026.

W071 Endist Omaha

POSTED

DEADLINE

Intruder Detection and Security Rough-inThis small business set-aside subcontract, issued by the Department of Defense under the USACE Omaha District, involves the installation of Intruder Detection Systems and the execution of security rough-ins at Ellsworth Air Force Base. The contractor will support prime contractors by ensuring all security rough-in work adheres to the strict secure area standards defined by Intelligence Community Directive/Intelligence Community Standard 705. The project falls under NAICS code 561621 and requires the delivery of fully installed detection systems and completed rough-in infrastructure. Interested parties must respond by October 28, 2026, to be considered for this specialized security installation effort.

W071 Endist Omaha

POSTED

DEADLINE

Fire and Lightning Protection SystemsThis subcontract opportunity is for the installation of fire suppression and lightning protection systems at Ellsworth Air Force Base, supporting prime contractors on projects managed by the USACE Omaha District. The scope of work specifically focuses on protecting munitions storage through the delivery of certified fire protection systems and lightning protection arrays. The project is designated as a total Small Business Set Aside under NAICS code 238220. Managed by the Department of Defense, the solicitation was posted on October 9, 2026, with a response deadline set for October 28, 2026.

W071 Endist Omaha

POSTED

DEADLINE

Electrical and Lighting SystemsThis subcontract opportunity is for the installation of electrical support and both interior and exterior lighting systems at Ellsworth Air Force Base. Working under prime contractors for the USACE Omaha District, the selected provider will be responsible for installing wiring and lighting systems that adhere to the illumination levels specified in UFC 3-530-01 to ensure a fully operational system. The project is managed by the Department of Defense under the W071 Endist Omaha agency and is designated as a total Small Business Set Aside under NAICS code 238210. Interested parties must submit their responses by October 28, 2026, following the posting date of October 9, 2026.

W071 Endist Omaha

POSTED

DEADLINE

Igloo Shell and Earth CoveringThis subcontract opportunity, issued by the Department of Defense under the USACE Omaha District, involves the installation of structural shells and protective earth coverings for munitions storage igloos at Ellsworth Air Force Base. The selected contractor will be responsible for installing 7-bar rated construction shells and applying specialized earth-fill to ensure proper munitions protection, delivering fully completed earth-covered structures to the prime contractor. The project is designated as a total Small Business Set Aside under NAICS code 238990. Interested parties must submit their responses by the deadline of October 28, 2026.

W071 Endist Omaha

POSTED

DEADLINE