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MULTISTACK LLC Sparta WI 54656-0510 USA

UEI: SLED_5B56ABD3A4E1DB33

MULTISTACK LLC Sparta WI 54656-0510 USA is a federal contractor, registered under UEI SLED_5B56ABD3A4E1DB33. It has been awarded $101,961 across 1 federal contract. Primary work spans Plumbing, Heating, and Air-Conditioning Contractors. Top awarding agencies include American Embassy Geneva.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_5B56ABD3A4E1DB33

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

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Total Awards

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Contracts

Prime · all time

Subcontracts

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Prime · all time

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Award Analytics & Distribution

Awards by Agency

American Embassy Geneva$102.0K100%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$102.0K100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in MULTISTACK LLC Sparta WI 54656-0510 USA's top NAICS codes and agencies

Plumbing and Piping Systems InstallationThe contract pertains to the installation of comprehensive plumbing and piping systems, encompassing water supply, drainage, and gas piping for military facilities under the oversight of the Defense Logistics Agency within the Department of Defense. The work falls under NAICS code 238220, indicating it is classified as plumbing, heating, and air-conditioning contracting, and is structured as a subcontract with no set-aside provisions. The contract was posted on July 20, 2026, and is identified by the award number SPE60524D9403 with a delivery order SPE60526FHSC7. Performance location details are unspecified, but services are expected to be carried out at U.S. defense installations. All work must comply with federal plumbing standards and military specifications for safety, durability, and operational reliability. The contract does not list a point of contact, and technical or administrative inquiries should be directed through the DIBBS procurement portal linked in the solicitation.

Defense Logistics Agency

POSTED

about 10 hours ago

DEADLINE

Diverse Business (HUB) Subcontracting ParticipationHUB-certified businesses, including minority-owned, women-owned, and small businesses, are invited to participate in subcontracting opportunities tied to a project managed by Appalachian State University in North Carolina, with a goal of achieving 10 percent utilization of certified diverse firms. Eligible participants may engage across multiple scopes of work including equipment supply, installation, electrical systems, and civil construction, providing flexibility for businesses to align their capabilities with project needs. The solicitation is open for responses until August 3, 2026, with submissions expected to demonstrate how the business will contribute to the stated utilization target. The NAICS code 238220 indicates the work falls under electrical contracting services, reinforcing the focus on skilled trades and specialized construction support. Participation is tied to federal and state diversity initiatives and offers qualified firms a pathway to secure work on a public institution project, with all details accessible through the provided state portal.

Appalachian State University

POSTED

about 10 hours ago

DEADLINE

Cooling Tower Installation and CommissioningThe contract titled Cooling Tower Installation and Commissioning requires full on-site execution of all aspects related to the setup and activation of a cooling tower system, encompassing rigging, structural support, piping, electrical connections, and comprehensive startup testing. All work must strictly adhere to OSHA, NEMA, and North Carolina safety standards to ensure compliance with federal and state regulations governing industrial installations. The project is structured as a subcontract under NAICS code 238220 and is being administered by Appalachian State University on behalf of the state of North Carolina. The solicitation was posted on July 20, 2026, with a firm response deadline of August 3, 2026, at 7:00 PM, indicating a tight timeline for qualified contractors to submit proposals. The place of performance and specific location details are not provided, but the work is expected to occur at a site within North Carolina under the oversight of the university’s facilities and engineering teams.

Appalachian State University

POSTED

about 10 hours ago

DEADLINE

Plumbing and Piping Systems Installation

Defense Logistics Agency

POSTED

about 10 hours ago

DEADLINE

Cooling TowersAppalachian State University in North Carolina has issued a solicitation for cooling towers under solicitation number 55-072026, with a response deadline of August 3, 2026, at 7:00 PM Eastern Time. This solicitation is categorized under the SLED government sector and is open for bids from interested parties. The project is located in North Carolina, and the primary point of contact for inquiries is Jeff Talbot. The solicitation was posted on July 20, 2026, and additional details, including submission guidelines and requirements, are available via the provided online link. No specific set-aside or NAICS code is indicated, suggesting the opportunity is open to all qualified vendors without restricted eligibility.

Appalachian State University

POSTED

about 10 hours ago

DEADLINE

HVAC System Installation and Certification

DCP06 - Office of Leasing

POSTED

about 10 hours ago

DEADLINE

in about 1 year

Plumbing Fixture Installation

DCP06 - Office of Leasing

POSTED

about 10 hours ago

DEADLINE

in about 1 year

Protective Coatings and Bridge Painting

0H100 - HIGHWAY

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Plumbing Contractor

POSTED

about 12 hours ago

DEADLINE

Mechanical, HVAC, and Plumbing (MEP) ServicesThe contract entails the design and installation of mechanical, HVAC, and plumbing systems to ensure optimal building functionality and tenant comfort, operating under NAICS code 238220 for plumbing, heating, and air-conditioning contractors. It is structured as a subcontract solicited by the City of Albany, Georgia, with a posted date of July 20, 2026, and a firm response deadline of August 21, 2026, at 10:00 PM Eastern Time. The work will be performed at a location yet to be specified within the state of Georgia, and while no set-aside provisions or small business designations are indicated, interested parties must adhere to the submission requirements outlined in the official solicitation linked through the Georgia Department of Administrative Services portal. The scope focuses on integrating fully functional mechanical systems tailored to support building operations and occupant well-being, with all technical, compliance, and quality standards expected to meet industry benchmarks and local codes.

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Irrigation System Maintenance and RepairThe contract involves comprehensive maintenance services for existing landscape irrigation systems at town facilities in Bridgewater, Massachusetts, with a focus on inspection, repair, winterization, and optimization to ensure year-round efficiency and functionality. Work must be performed at the specified location in South St, Bridgewater, with a submission deadline of August 4, 2026, and the solicitation was posted on July 20, 2026. This is a subcontract opportunity under NAICS code 238220, which classifies it as landscaping services, and it is managed by the BDPW400 - Public Works agency under the Massachusetts state jurisdiction. All tasks are expected to enhance system reliability, reduce water waste, and prepare infrastructure for seasonal conditions, particularly winter. The contract does not specify set-aside provisions, and no point of contact details are provided in the posted data.

BDPW400 - Public Works

POSTED

about 14 hours ago

DEADLINE

Plumbing and Piping Systems Installation

POSTED

about 14 hours ago

DEADLINE

in about 1 month

Plumbing and Piping SystemsThe contract involves the supply and installation of PPR and PVC piping systems in compliance with Icat International Standards, encompassing full system integration with water heaters and accompanying safety groups. All work must meet stringent technical specifications for material quality, assembly, and performance, with comprehensive testing required to ensure leak-free operation, proper pressure handling, and system integrity before handover. The scope includes end-to-end execution from procurement of certified materials through to final commissioning and verification under real-world operational conditions. This subcontract is managed by the American Consulate Casablanca under the Department of State, with performance strictly limited to Casablanca. The NAICS code 238220 indicates classification under plumbing, heating, and air-conditioning contractors, defining the nature of the work as a specialized trade contract. Interested parties must submit responses by August 17, 2026, with no set-aside provisions specified, meaning open competition is allowed. All installations must adhere to international best practices and deliver a fully functional, safe, and code-compliant plumbing infrastructure ready for immediate use.

American Consulate Casablanca

POSTED

about 15 hours ago

DEADLINE

HVAC System InstallationThe contract entails the supply, installation, and commissioning of a complete HVAC system centered on galvanized ductwork manufactured to meet XP E 51-620 standards, along with external air extraction fans that operate at or below 25 dB(A) noise levels and comply with IPX4/X5 environmental protection ratings. Additional associated HVAC components are included to ensure full system functionality, with all work requiring strict adherence to technical specifications for performance, durability, and safety. The project is scoped for execution in Casablanca and is intended to support infrastructure needs under the purview of the American Consulate. This subcontract, classified under NAICS code 238220, is issued by the Department of State through the American Consulate in Casablanca and was posted on July 20, 2026, with a response deadline of August 17, 2026. No set-aside designation is specified, and the contract is open to eligible subcontractors capable of delivering and deploying the specified equipment in accordance with the technical and operational requirements. All work must be completed on-site in Casablanca, and proposers are expected to demonstrate experience in HVAC system installations, particularly in environments requiring quiet, high-efficiency ventilation systems compliant with international standards.

American Consulate Casablanca

POSTED

about 15 hours ago

DEADLINE

HVAC Equipment Replacement, Millville, UtahThe National Wildlife Research Center’s Utah Field Station is seeking to replace outdated HVAC equipment in its administrative building with a new system to improve climate control and support animal quarantine and medical procedures. The project involves removing all existing hydronic heating and mechanical room equipment along with associated electrical systems, and installing two new 2.5-ton split-system furnaces and coils adapted to existing ductwork for the north end of the building, nine mini-split heat pump systems for offices, and three electric cover heaters with thermostats in restrooms and the safe room. All equipment must meet specifications requiring Lennox or equivalent units using low-GWP R-32 refrigerant with hermetically sealed, inverter-controlled, BLDC rotary compressors. The contract is issued as a Request for Quotations under NAICS code 238220 with a total small business set-aside, meaning only small businesses qualifying under the $19 million size standard may respond. The estimated contract value has been revised from $25,000–$100,000 to $100,000–$250,000. Performance must be completed within 45 days of the Notice to Proceed, with work commencing no later than five calendar days after receipt of that notice. The place of performance is the USDA APHIS facility in Millville, Utah, and the contract will be awarded using the lowest price, technically acceptable approach, requiring vendors to demonstrate relevant experience, acceptable past performance, and compliance with all technical and regulatory requirements. All offers must include a demonstration of relevant HVAC experience and past performance history, submitted electronically to James Roloff at james.g.roloff@usda.gov. The solicitation has been indefinitely postponed by Amendment 1, with a new closing date to be established by a future amendment; however, the revised Statement of Work and technical specifications are available for review. The contract requires full compliance with FAR clauses related to construction, including inspection per 52.246-12, differing site conditions, accident prevention, site protection, cleaning up, and use of utility services, as well as performance and payment bonds under 52.228-15. Contractors must also comply with labor standards including the Davis-Bacon Act, apprenticeship regulations, and paid sick leave requirements under Executive Order 13706. Environmental compliance includes adherence to Buy American provisions for construction materials and restrictions on ozone-depleting substances and high-GWP hydro

Mrpbs Minneapolis Mn

POSTED

about 15 hours ago

DEADLINE

4130--York Chillers service contractThe contract titled 4130--York Chillers service contract, under solicitation number 36C24226Q0797, is managed by the Department of Veterans Affairs through the 242-NETWORK Contract Office 02 located in Albany, NY. The primary purpose of this modification is to extend the closing date from July 17, 2026, to August 7, 2026, with the new response deadline set for August 7, 2026, at 6:00 PM. The contract applies to services related to York chillers and is classified under NAICS code 238220, indicating it pertains to HVAC installation work. The place of performance is designated as the Bronx, NY, with a zip code of 10468, and the contract is being led by Contract Specialist Charles Collins, who can be reached via email at Charles.Collins@va.gov or by phone at 518-626-7200.

242-NETWORK Contract Office 02 (36C242)

POSTED

about 15 hours ago

DEADLINE

Boiler MaintenanceThe contract requires the contractor to provide comprehensive maintenance services for 94 existing boilers and water heaters distributed across 71 facilities at Minot Air Force Base in North Dakota. This includes full management of all necessary tools, supplies, equipment, and labor to ensure continuous, reliable operation. The contractor must also handle the removal and proper disposal of outdated units and install up to 12 new boilers per year, with a restriction of no more than two installations within any 30-day period. Additionally, the contractor assumes responsibility for maintaining any newly installed boilers for one year from the date of completion, covering all warranty-related work during that period. The solicitation is a Total Small Business Set-Aside under NAICS code 238220, with a response deadline of August 21, 2026, and was posted on July 20, 2026. It is managed by the Department of Defense through the office located at Minot AFB, with primary and secondary points of contact available for inquiries. The contract includes supporting documents such as the Performance Work Statement, Price Schedule, Provisions and Clauses, Wage Determinations, Financial Questionnaire, and Combined Synopsis/Solicitation, all of which outline the expectations, compliance requirements, and financial terms for the awarded vendor.

POSTED

about 15 hours ago

DEADLINE

in about 1 month

Water Treatment Service HVAC SystemThe 436 Civil Engineer Squadron at Dover Air Force Base is seeking a contractor to provide comprehensive water treatment and maintenance services for HVAC systems, including condensers, thermal ice storage, closed loop heating and cooling systems, gas-fired hot water systems, and water softeners, under solicitation FA449726Q0031. This is a combined synopsis and solicitation issued as a Request for Quote under Subpart 12 of the FAR, classified as a Firm-Fixed-Price contract using Simplified Acquisition Procedures, and is exclusively set aside for small businesses under NAICS code 238220 with a size standard of $19 million. The requirement is a FY27 acquisition, with funds not yet available but scheduled to be obligated upon the start of the new fiscal year. The base period of performance runs from October 1, 2026, through September 30, 2027, with four optional one-year extensions and a potential six-month option under FAR 52.217-8, for a maximum contract duration of five and a half years. Offerors must submit proposals in three volumes including pricing aligned with the revised Quote Schedule (Attachment 2), a technical approach and staffing plan, and past performance references. The solicitation emphasizes a Lowest Price Technically Acceptable evaluation process, where quotes must pass rigorous technical acceptability gates—including technical approach, staffing and transition, quality control, and mission essential planning—as well as an acceptable past performance evaluation. The Performance Work Statement mandates monthly 100% testing of all systems, submission of monthly salt usage reports for water softeners, bi-monthly glycol testing for freeze point, conductivity, and pH, and strict compliance with AFI 32-7086 and a hardness standard of less than 1 PPM as CaCO3. All contractor personnel performing on-site work must have a minimum of five years’ experience with the specified systems and a chemical engineer must be on staff; resumes must be submitted for pre-award approval. The contractor is required to comply with DAF COMPASS clauses covering ombudsman access, health and safety on base, and CAC requirements for personnel, as well as mandatory FAR/DFARS provisions including cyber security (252.204-7012), whistleblower protections, anti-kickback procedures, and reporting obligations. Payment must be processed through WAWF using the designated DoDAACs, and

FA4497 436 Cons Lgc

POSTED

about 15 hours ago

DEADLINE