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Mowbray & Son Plumbing & Heating Inc.PO Box 878 Minot, ND. 58702-0878

UEI: SLED_0A1F5F8E7261A203

Mowbray & Son Plumbing & Heating Inc.PO Box 878 Minot, ND. 58702-0878 is a federal contractor, registered under UEI SLED_0A1F5F8E7261A203. It has been awarded $5,077,076 across 1 federal contract. Primary work spans Plumbing, Heating, and Air-Conditioning Contractors. Top awarding agencies include FA4528 5 Cons.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_0A1F5F8E7261A203

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

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Award Analytics & Distribution

Awards by Agency

FA4528 5 Cons$5.1M100%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$5.1M100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in Mowbray & Son Plumbing & Heating Inc.PO Box 878 Minot, ND. 58702-0878's top NAICS codes and agencies

SCH-81226-1000The solicitation for Chiller Replacement, identified as BD-26-1140-SCHOO-AHS-131637, is issued by the Massachusetts School District under the organization designation SCHOOL300 - EDUCATION. Proposals must be submitted in person at Attleboro City Hall, 77 Park St, Attleboro, MA 02703, or downloaded from the City of Attleboro’s official website at http://www.cityofattleboro.us/Bids.aspx, with explicit instructions not to use COMMBUYS for bid submissions. The deadline for responses is August 12, 2026, at 3:00 PM EST, and the solicitation was posted on July 22, 2026. The place of performance is in Massachusetts, and the primary point of contact for inquiries is Carol Brown, Purchaser. All submissions must comply with the specified delivery method and location to be considered valid.

SCHOOL300 - EDUCATION

POSTED

about 15 hours ago

DEADLINE

Installation Air ConditionersThe Belchertown Public Schools are soliciting bids for the installation of air conditioning systems in the school kitchens, with all proposals required to be submitted in a clearly labeled sealed envelope marked “Kitchen Cooling Project.” Bids must be delivered to the Office of the Superintendent of Schools at 14 Maple Street, P.O. Box 841, Belchertown, MA 01007, and must arrive no later than 11:00 a.m. on Friday, August 7, 2026, when they will be publicly opened. The solicitation, identified by number BD-27-2205-BELCH-BPS01-131633, was posted on July 22, 2026, and the official response deadline is 3:00 p.m. on the same day, though physical submissions must be received by the earlier morning time. The project is managed by the Belchertown Public Schools agency under the state of Massachusetts, with Brian Cameron listed as the primary point of contact. All work will be performed at the school facilities located in Belchertown, MA, and the solicitation is classified as a state and local government procurement with no specific set-aside designation.

BELCH - Belchertown Public Schools

POSTED

about 17 hours ago

DEADLINE

HVAC System InstallationThe contract titled HVAC System Installation under the DPW24 - Department of Public Works in Massachusetts involves the supply, installation, and commissioning of heating, ventilation, and air conditioning systems at a location on Fletcher St in Whitinsville, with a zip code of 01588. It is classified as a subcontract under NAICS code 238220 and was posted on July 22, 2026, with a response deadline of August 5, 2026. The scope requires full system integration including equipment delivery, physical installation, and operational testing to ensure compliance with performance standards. All work must be completed at the specified place of performance, and no details regarding set aside status or point of contact are provided. The solicitation is accessible online through the CommBuys portal, and bidders must submit proposals prior to the stated deadline to be considered.

DPW24 - Department of Public Works

POSTED

about 19 hours ago

DEADLINE

Plumbing and Piping Systems InstallationThe contract titled Plumbing and Piping Systems Installation calls for the installation of potable water, waste, vent, and HVAC piping systems within a facility located in Gardner, Massachusetts, with a zip code of 01440. All work must strictly comply with local plumbing and building codes to ensure safety, functionality, and regulatory adherence. This is a subcontract opportunity with a NAICS code of 238220, indicating it falls under the plumbing, heating, and air-conditioning contractors category. The solicitation was posted on July 22, 2026, and responses are due by August 5, 2026, at 8:00 PM. The contracting agency is COG01 - Purchasing under the Massachusetts state government, though no specific point of contact or set-aside details are provided. Bidders must ensure their proposals align with the scope of work and performance location as outlined in the solicitation, with all submissions submitted through the designated online portal.

COG01 - Purchasing

POSTED

about 19 hours ago

DEADLINE

Drain and Sewer Cleaning ServicesThe contract entails providing drain and sewer cleaning services at municipal pump stations and buildings, with the primary responsibility of clearing blockages using mechanical augers or hydro-jetting techniques. Work must be performed consistently and effectively to ensure the uninterrupted operation of public sewer infrastructure, with all activities centered at the designated location on Washington Street in Salem, Massachusetts, zip code 01970. The services are classified under NAICS code 238220, indicating it is a subcontract for plumbing and drain cleaning work within the broader construction services sector. The solicitation was posted on July 22, 2026, with responses due by August 6, 2026, at 4:00 PM. Although the contracting agency is identified as COSPD - Purchasing under the Massachusetts government, no specific point of contact or set-aside provisions are outlined. The contract does not specify performance duration or scope beyond the cleaning tasks, and no details are provided regarding payment terms, staffing requirements, or equipment standards, leaving those aspects to be defined by the bidder or subsequent agreement.

COSPD - Purchasing

POSTED

about 20 hours ago

DEADLINE

Gas Piping and Boiler System Specialist ServicesThe contract requires specialized maintenance and repair services for gas piping and commercial boiler systems at municipal facilities located in Salem, Massachusetts, with a primary focus on ensuring full compliance with state and local codes. Work under this subcontract involves systematic inspections, troubleshooting, and corrective actions to maintain the safe and efficient operation of critical heating and gas distribution infrastructure within public buildings. Contractors must possess the technical expertise and certifications necessary to handle high-pressure gas systems and commercial-grade boilers while adhering to all applicable safety and regulatory standards. The solicitation was posted on July 22, 2026, with a response deadline of August 6, 2026, at 4:00 PM. The NAICS code 238220 indicates the work falls under plumbing, heating, and air-conditioning contractors, and the contract is administered by the Massachusetts agency COSPD - Purchasing, with all performance activities centered at Washington Street in Salem, zip code 01970. Bidders must be prepared to demonstrate qualifying experience, proper licensing, and the ability to meet stringent compliance requirements as determined by local authorities, and all work must be completed without disrupting municipal operations where possible.

COSPD - Purchasing

POSTED

about 20 hours ago

DEADLINE

Emergency and Routine Plumbing Maintenance ServicesThe contract requires the provision of emergency and routine plumbing maintenance services across municipal buildings, garages, and pump stations within Salem, Massachusetts. Scope of work includes fixture repairs, leak detection, drain cleaning, gas piping services, and the servicing of boiler and domestic water systems to ensure continuity and safety of municipal infrastructure. All services must be performed promptly, with emphasis on rapid response to emergencies alongside scheduled preventive maintenance to minimize disruptions and prolong system lifespans. The solicitation is classified as a subcontract under NAICS code 238220 and is issued by the Massachusetts COSPD - Purchasing office. Responses are due by August 6, 2026, at 4:00 PM, with all work to be performed at locations within the 01970 zip code area. The contract does not specify a set-aside classification and lacks detailed point of contact information, requiring potential bidders to review the full solicitation via the provided Commbuys link for additional requirements and submission guidelines.

COSPD - Purchasing

POSTED

about 20 hours ago

DEADLINE

27-04-DPS On Call Plumbing ServicesThe contract solicitation titled 27-04-DPS On Call Plumbing Services is issued by the Massachusetts Office of the Chief Procurement Officer under the agency name COSPD - Purchasing, with the solicitation number BD-27-1165-COSPD-COS01-131612. It is open to SLED government entities and seeks qualified vendors to provide on-call plumbing services primarily at the location in Salem, Massachusetts, with a postal code of 01970. The opportunity was posted on July 22, 2026, and responses are due by August 6, 2026, at 4:00 PM Eastern Time. The primary point of contact for this solicitation is Anthony Delaney, who serves as the Purchaser and can be reached for inquiries related to the contract requirements. All work under this contract is expected to be performed at the designated place of performance in Salem, and vendors are expected to be available for emergency and routine plumbing services on an as-needed basis.

COSPD - Purchasing

POSTED

about 20 hours ago

DEADLINE

HVAC and Ventilation System InstallationThe contract entails the installation of heating, ventilation, air conditioning, and dedicated ventilation systems complete with ductwork in each home, under the NAICS code 238220 for HVAC installation services. The work is to be performed at the specified location in Boston, Massachusetts, with the address listed as Luciana Burdi, One Harborside Drive, Boston, 02128. This is a subcontract opportunity issued by CAPPROG – Capital Programs, part of the Massachusetts agency structure, and it does not specify any set-aside classification. The solicitation was posted on July 22, 2026, and responses must be submitted no later than August 26, 2026, at 4:00 PM. The project involves providing comprehensive climate control systems tailored for residential units, requiring full integration of ductwork to ensure system efficiency and compliance with building standards.

CAPPROG - Capital Programs

POSTED

about 20 hours ago

DEADLINE

in about 1 month

Northwest - Sky View Sprinkler Head ReplacementBidders must be DCAMM certified to compete for the Northwest - Sky View Sprinkler Head Replacement project in Leominster, Massachusetts, which involves replacing a total of 1,912 sprinkler heads across two elementary schools, including 537 dry system heads and 1,375 wet system heads. All work must be performed after school hours on weekdays to avoid disruption to school operations, and the solicitation is managed by the Office of the Purchasing Agent under the Massachusetts state government. The bid package is available for download online through the Leominster municipal website under the Purchasing Department’s Active Bids section, with the official solicitation number BD-27-1635-001-LEO1-131540 and a response deadline of August 13, 2026 at 4:00 PM. The point of contact for this procurement is Greg Chapdelaine, Purchaser, and the place of performance is located at West Street, Leominster, MA 01453.

001 - Office of the Purchasing Agent

POSTED

about 20 hours ago

DEADLINE

Bathroom RenovationsThe contract involves a full renovation of commercial bathrooms across two buildings, encompassing installation of new fixtures, tiling, waterproofing, and necessary updates to plumbing and electrical systems to meet current standards. Work is to be performed in Frankfurt, with all materials and labor required to complete the project to professional grade, ensuring functionality, safety, and compliance with applicable building codes. The nature of the work falls under NAICS code 238220, indicating it is a subcontract for plumbing, heating, and air-conditioning contractors. The solicitation was posted on July 22, 2026, with a response deadline of August 31, 2026, and is managed by the Department of State through its Acquisitions - Rpso Frankfurt office. Although no set-aside type is specified, the contracting vehicle is classified as a subcontract, meaning the primary contractor must have existing agreements or arrangements under which this scope may be performed. Performance is limited to the designated locations in Frankfurt, with no indication of additional sites or remote requirements, and all deliverables must be completed within the contractual timeframe and scope as defined.

Acquisitions - Rpso Frankfurt

POSTED

about 22 hours ago

DEADLINE

in about 1 month

Sewer and Water Line ReplacementThe contract involves the replacement of underground sewer and potable water lines at both U.S. consulate building sites in Frankfurt, requiring full adherence to German plumbing and utility standards to ensure compliance with local regulations and safety requirements. All work must be executed to meet technical specifications for material quality, installation methods, and system integrity, with particular attention to environmental protection, minimal disruption to surrounding infrastructure, and long-term operational reliability. The solicitation is classified as a subcontract under NAICS code 238220, targeting qualified contractors with experience in utility line replacement within municipal or diplomatic environments. The opportunity was posted on July 22, 2026, with a response deadline of August 31, 2026, and is managed by the Department of State through its Acquisitions office in Frankfurt. Performance is strictly limited to the designated consulate locations in Frankfurt, with no flexibility for异地 execution, and all contractors must demonstrate capacity to navigate local permitting, coordination with German authorities, and adherence to stringent safety protocols.

Acquisitions - Rpso Frankfurt

POSTED

about 22 hours ago

DEADLINE

in about 1 month

Corrective Action & Response PlanningThe contract requires the execution of corrective actions to address water quality breaches, including conducting root cause analysis, implementing system remediation, and maintaining thorough documentation. Respondents must be available for on-call response during business hours to ensure timely intervention whenever water quality standards are compromised. The work is scoped to support public health and safety by restoring and sustaining safe water systems, with emphasis on precision, accountability, and rapid response within established operational windows. The subcontract falls under NAICS code 238220 and is solicited by the Indian Health Service under the Department of Health and Human Services, with performance focused in Pawnee, Oklahoma, ZIP 74058. The opportunity was posted on July 22, 2026, and responses are due by July 29, 2026, at 9:30 PM Eastern Time. No set-aside designation or organizational type restrictions are specified, and the point of contact details are not provided in the posting. Contractors must be prepared to meet technical and response requirements aligned with federal water safety standards in a high-priority public health context.

Indian Health Service

POSTED

about 22 hours ago

DEADLINE

Refrigeration System Supply and InstallationThe contract involves the supply and installation of Norcold DC751BB or an equivalent DC-powered refrigeration unit designed specifically for mobile forensic environments, ensuring reliable temperature-controlled storage for evidence and samples in field operations. The scope includes complete mounting, integration with existing DC power systems, and rigorous performance validation to meet stringent forensic standards, with all work required to be performed in strict compliance with operational and safety requirements. The units must be capable of sustained operation under variable environmental conditions typical of mobile forensic units without compromising cooling performance or data integrity. This is a small business set-aside subcontract under NAICS code 238220, issued by the FBI-JEH within the Department of Justice, with responses due by August 17, 2026. All work is to be performed at the designated place of performance in the area associated with postal code 27348. The contract emphasizes that only small businesses as defined by the SBA are eligible to bid, and proposals must demonstrate technical capability, proven experience with similar systems, and the ability to deliver and validate the refrigeration units within the specified timeframe. Power compatibility, durability, and seamless compatibility with mobile forensic platforms are non-negotiable requirements.

POSTED

about 22 hours ago

DEADLINE

Piping System Installation and ModificationThe contract involves the installation, modification, and connection of instrument air piping systems, requiring precise cutting, threading, welding, and pressure testing of both metallic and non-metallic piping components. All work must strictly adhere to project drawings and comply with ASTM standards to ensure system integrity and operational safety. The scope encompasses full lifecycle execution from initial layout through final testing, with quality control and adherence to technical specifications being mandatory. This is a subcontract opportunity posted by Philadelphia Gas Works under NAICS code 238220, with a response deadline of August 14, 2026. The work is to be performed at locations governed by Pennsylvania state requirements, though specific city or zip details are not provided. The contract is accessible via a designated online portal, and interested parties must submit their proposals before the outlined deadline to be considered for award.

Philadelphia Gas Works

POSTED

about 22 hours ago

DEADLINE

HVAC Air Duct Cleaning and SanitizationThe contract titled HVAC Air Duct Cleaning and Sanitization requires the professional cleaning and sanitization of air conditioning duct systems using non-toxic agents to ensure safe, contaminant-free airflow. The scope includes thorough debris removal from all components of the HVAC system and the careful reinstallation of all parts without causing any damage to the equipment. All work must adhere to strict standards that preserve system integrity and functionality while achieving optimal indoor air quality. This subcontract, posted by the Department of Homeland Security under the LOG-9 agency, is designated with NAICS code 238220 and has a performance location in Bayamon, Puerto Rico, with ZIP code 00959. The solicitation was made available on July 22, 2026, and responses are due by July 31, 2026, at 4:00 PM. Although no set-aside type is specified, contractors must be prepared to meet all technical and safety requirements outlined in the task, with emphasis on environmental safety, precision in reassembly, and compliance with federal facility guidelines for HVAC operations.

POSTED

about 22 hours ago

DEADLINE

Liebert HVAC System InstallationThe contract is for the supply and installation of precision cooling HVAC systems, specifically Liebert or equivalent models, designed to meet the stringent environmental requirements of a CT Simulator room and IT/telecom rooms. This subcontract is set aside exclusively for Service-Disabled Veteran-Owned Small Businesses and falls under the NAICS code 238220 for Plumbing, Heating, and Air-Conditioning Contractors. The work is to be performed at the facility located in Jackson, Mississippi with a zip code of 39216, and the systems must ensure stable temperature and humidity levels critical to the operation of sensitive medical and communication equipment. The solicitation was posted on July 22, 2026, with a mandatory response deadline of August 5, 2026, at 7:00 PM. The contract is managed by the Department of Veterans Affairs through the 256-NETWORK Contract Office 16, and all proposals must comply with the technical specifications and performance standards required for mission-critical environments.

256-NETWORK Contract Office 16 (36C256)

POSTED

about 22 hours ago

DEADLINE

Medical Gas & Piping SystemsThe contract requires the installation of medical gas outlets, piping systems, and associated alarms in full compliance with NFPA 99 standards and Veterans Affairs specifications, ensuring the safety and operational integrity of medical gas delivery in healthcare facilities. The work is scoped for performance at a facility located in Jackson, Mississippi, with a zip code of 39216, and must be executed by a Service-Disabled Veteran-Owned Small Business as this is a designated SDVOSBC set-aside opportunity. The project involves not only the physical installation but also rigorous testing and documentation to verify system functionality and regulatory adherence. The solicitation was posted on July 22, 2026, with a response deadline of August 5, 2026, at 7:00 PM, and falls under NAICS code 238220 for Plumbing, Heating, and Air-Conditioning Contractors. This is a subcontract opportunity managed by the 256-NETWORK Contract Office 16 under the Department of Veterans Affairs. While specific point of contact details are not provided, interested parties must submit proposals through the official SAM.gov platform using the provided link, and all work must meet federal and VA-mandated quality, safety, and compliance benchmarks without deviation.

256-NETWORK Contract Office 16 (36C256)

POSTED

about 22 hours ago

DEADLINE