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ADDON Services

UEI: SLED_33196DFCFFF57E2F

ADDON Services is a federal contractor, registered under UEI SLED_33196DFCFFF57E2F. It has been awarded $120,190 in federal contracts. Primary work spans Plumbing, Heating, and Air-Conditioning Contractors. Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_33196DFCFFF57E2F

Federal Contracting Overview

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

AI Capability Profile

ADDON Services provides specialized services under NAICS 238220, focusing on plumbing, heating, and air-conditioning contracting. The company has experience supporting the USPFO Activity Miang. Their industry focus is centered on the mechanical contracting sector, specifically within the scope of ...

Key performance metrics

Award counts and award dollars by type, as prime and as subcontractor.

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

Awards by agency, industry, year, award type, size, and place of performance.

Awards by Agency

Department Of Defense$120.2K100%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$120.2K100%

Awards by Agency Over Time

Awards by Place of Performance

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Install Pier D High Pressure Air System, NSBREM-724-A

Solicitation # N4425527RB003

Solicitation N4425527RB003 is a design-build project for the installation of a permanent high pressure air (HPA) system at Pier D, B724A of Naval Base Kitsap in Bremerton, Washington. The scope of work includes the design, construction, and commissioning of the system, specifically incorporating the existing HPA cross connection into a system supplied by compressors on the south end of Pier D. The project requires the installation of HPA shore risers at five specific locations: East bollards 11, 59, and 101, and West bollards 47 and 59. All new piping must be installed under service grates with valves located topside. The project is a 100 percent set-aside for 8(a) businesses located within SBA Region X, with an estimated construction magnitude between 1 million and 5 million dollars. The contract is awarded as a firm-fixed-price task order under the NAVFAC Northwest 8(a) Multiple Award Construction Contract (MACC), with a period of performance of 538 calendar days from award. Evaluation is based on price and MACC past performance. The contractor must adhere to strict technical standards, including Unified Facilities Criteria (UFC), ASME, and MIL-STD101C for piping color coding, while following EM 385-1-1 (2024) safety requirements. Key administrative requirements include the submission of monthly invoices via WAWF, the provision of performance and payment bonds within 10 days of award, and strict adherence to base access and security protocols for personnel and vehicles at the Puget Sound Naval Shipyard.

Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

Water Pump Replacement

Solicitation # water-pump-replacement

The Cassadaga Job Corps Center in New York is soliciting bids for a water pump replacement project at their Pump House. The scope of work involves removing existing end suction centrifugal pumps and check valves to install a new booster pump system featuring two pumps with variable speed drives and automatic tower fill valves. The project also requires the installation of a hydro pneumatic expansion tank, 3 inch Type L copper piping with sweat fittings, and fiberglass insulation on all piping, concluding with final testing and factory startup. This solicitation is set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by November 30, 2026. The project falls under NAICS code 238220 and is managed by primary point of contact Derrick Dickerson.

Cassadaga Job Corps Center

POSTED

about 7 hours ago

DEADLINE

CBP#9772 HVAC Air Handling Unit (AHU) and Ductwork Cleaning Services

Solicitation # CBP#9772

Management & Training Corporation (MTC) is soliciting bids for solicitation CBP#9772 to provide HVAC Air Handling Unit (AHU) and ductwork cleaning services at the Edison Job Corps Center in Edison, New Jersey. This is a fixed-price, single lump sum subcontracting opportunity with an estimated value between $100,000 and $250,000. The scope of work requires the thorough cleaning of twelve AHUs and specified ductwork across both dormitories, including the installation of durable, corrosion-resistant access panels and the restoration of any affected ceiling surfaces. The project must be completed within 90 consecutive business days following a written Notice to Proceed. Bids are due by November 17, 2026, and must be submitted via email. To be considered, bidders are required to attend a physical site visit, provide a detailed cost breakout on company letterhead, and submit a bid bond guarantee of 20% for bids exceeding $25,000. Award selection is based on overall best value. The successful contractor must comply with Davis-Bacon prevailing wage determinations for Middlesex County, maintain specific insurance and bonding requirements, and adhere to various FAR clauses regarding small business utilization, security, and the Buy American Act. Final acceptance of the work is contingent upon a center inspection and the submission of a final project report containing pre-cleaning photographs and completion checklists.

Edison Job Corps

POSTED

about 7 hours ago

DEADLINE

CBP7787 ED1 RM 123 HVAC Compressor Replacement

Solicitation # CBP7787 ED1 RM 123

Management & Training Corporation (MTC) is seeking bids for a fixed-price, single lump sum subcontract to replace a failed HVAC/refrigeration compressor at the Sierra Nevada Job Corps Center in Reno, Nevada. The project, identified as CBP7787 ED1 RM 123, has an estimated value between 0 and 25,000 dollars. The scope of work is divided into four phases: preparation and environmental safety, including refrigerant recovery per EPA Section 608 regulations; demolition and removal of the failed unit; installation of an OEM-specified compressor and associated components; and system testing and commissioning. Bids are due by November 17, 2026, and require a mandatory physical site visit and signature on the attendance roster prior to submission. Award will be based on overall best value, with MTC serving as the sole judge of responsiveness. Bidders must provide a detailed cost breakout on their own letterhead. While bid bonds are not required for projects under 25,000 dollars, any bid equal to or exceeding that amount requires a bid bond guarantee of 20 percent from a surety company with at least an A- rating. Contractors must maintain general liability insurance of at least 1,000,000 dollars and worker's compensation with employer's liability limits of 500,000 dollars. Compliance with Washoe County wage determinations and various FAR clauses regarding safety, overtime, and small business representations is required. Final payment is contingent upon a successful final inspection and the submission of closeout documentation, including a certified payroll report and a certificate of release of liens.

Sierra Nevada Job Corps Center

POSTED

about 7 hours ago

DEADLINE

MJCC Multiple HVAC Replacement System

Solicitation # mjcc-multiple-hvac-replacement-system

Education and Training Resources is seeking quotes for a subcontracting opportunity to provide turnkey replacement of multiple HVAC systems at the Montgomery Job Corps Center in Montgomery, Alabama. The scope of work includes the removal of existing equipment and the installation of new systems across several buildings, specifically targeting units in Buildings A, B, E, F, and G with capacities ranging from 3.5 to 10 tons. Technical requirements specify the use of R-454B refrigerant and compliance with the National Electrical Code, NFPA Standard No. 101 Life Safety Code, and OSHA regulations. Contractors must provide a testing and balancing service to verify airflow and offer a 5 to 10 year warranty on parts and a 2 year warranty on workmanship. Interested bidders must be registered in SAM.gov with a Unique Entity ID and provide Alabama business licenses, a W-9, FFATA form, and certificates of insurance. Submissions must include a completed bid sheet with fee-for-service pricing, a detailed cost breakdown, and a proposed performance schedule. Award selection is at the sole discretion of ETR and is not based solely on the lowest bid. Compliance with the Davis-Bacon Act for prevailing wages is required, and bonding requirements vary by project value, with 100 percent payment bonds required for projects over 35,000 dollars and additional performance bonds required for those exceeding 150,000 dollars. Bids are due by November 27, 2026, at 12:00 PM CST.

Montgomery Job Corps Center

POSTED

about 7 hours ago

DEADLINE

Joliet Job Corps-Request for Quote HVAC Replacement Female Dormitory

Solicitation # joliet-job-corps-request-quote-hvac-replacement-female-dormitory

Management and Training Corporation (MTC), operator of the Joliet Job Corps Center, is seeking bids for a fixed-price, single lump sum subcontract to replace the HVAC systems in the female dormitories in Joliet, Illinois. The project involves the removal and disposal of existing equipment and the installation of ten new Carrier furnace and air conditioning systems. Additionally, the contractor must install and integrate a Pelican Building Automation System (BAS) across eleven units, including one existing unit. The estimated price range for this effort is between $250,000 and $500,000. Bids must be submitted to Frances McGraw by November 23, 2026, and must include a detailed cost breakout, a bid bond of 20 percent for bids over $25,000, and proof of a mandatory site visit. Award decisions will be based on overall best value. The successful contractor must comply with the Davis-Bacon Act, providing weekly certified payroll reports and adhering to specified Illinois prevailing wage rates. Required insurance includes general liability of at least $1,000,000 and worker's compensation with employer's liability limits of $500,000. Performance and payment bonds are required for contracts exceeding $25,000. The project is open to various small business set-asides, including VOSB, SDVOSB, WOSB, and HUBZone certified firms. Final acceptance is contingent upon a successful site inspection, the resolution of all claims, and the delivery of all warranties and operation and maintenance manuals.

Joliet Job Corps

POSTED

about 7 hours ago

DEADLINE

ACT-0124-00 BNATCS: Installation of two (2) existing Chillers Bldg. 366 at the Willima J. Hughes Technical Center, Atlantic City, NJ

Solicitation # act-0124-00-bnatcs-installation-two-2-existing-chillers-bldg-366-willima-j-hughes-technical-center

This contract involves the installation of two existing chillers at Building 366 of the William J. Hughes Technical Center in Atlantic City, New Jersey. The scope of work encompasses the necessary electrical power setup, control interface connections, chilled water piping, and final start-up procedures. The project is managed by PTSI Managed Services Inc. and is categorized under NAICS codes 238210, 238220, and 238290. The estimated magnitude of construction for this project is between 250,000 and 500,000 dollars. This is a solicitation set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must adhere to the response deadline of November 18, 2026.

PTSI Managed Services Inc.

POSTED

about 7 hours ago

DEADLINE

Centennial Dry Sprinkler System & Compressor Replacement Services

Solicitation # centennial-dry-sprinkler-system-compressor-replacement-services

Management & Training Corporation is soliciting bids for a fixed-price, single lump sum contract to provide dry-type sprinkler system and compressor replacement services at the Centennial Job Corps Center in Nampa, Idaho. The project scope involves the demolition and removal of existing dry system distribution piping and failing air compressors in the Men's Dormitory (Building CM), Women's Dormitory (Building CW), and Recreation Building (Building D). The contractor must supply and install a new code-approved piping network and properly sized air compressor in accordance with NFPA 25 standards. All work must be completed within 30 consecutive business days following a written Notice to Proceed. Bids are due by December 1, 2026, and must include a detailed cost breakout, warranty information, and proof of insurance. A physical site visit is mandatory prior to bid submission. For projects valued at $25,000 or more, a bid bond of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from an A-rated surety company. This is an SBA set-aside opportunity for HUBZone, Woman-owned, and Service-Disabled Veteran-owned small businesses. Award decisions will be based on overall best value. The contractor must comply with federal labor standards, including the Davis-Bacon Act and prevailing wage rates for building construction in Idaho. Required documentation for payment includes weekly certified payroll reports, and final payment is contingent upon a successful final inspection, the submission of operation and maintenance manuals, and the release of all liens. Compliance with various FAR clauses regarding safety, trafficking in persons, and whistleblower rights is mandatory.

Management & Training Corporation/Centennial Job Corps Center

POSTED

about 7 hours ago

DEADLINE

Inland Empire Job Corps-Request for Quote HVAC Replacement Cafeteria & OA CTS

Solicitation # inland-empire-job-corps-request-quote-hvac-replacement-cafeteria-oa-cts

Management & Training Corporation (MTC) is seeking bids for a fixed-price, single lump sum subcontract to replace packaged HVAC units with gas heating at the Inland Empire Job Corps Center in San Bernardino, California. The project focuses on the Cafeteria and OA/CTS areas and includes the removal of existing units per EPA refrigerant regulations, installation of new high-efficiency units, and necessary modifications to gas piping, ductwork, and electrical disconnects. The estimated contract value ranges from $25,000 to $100,000, with a performance period of 60 consecutive business days following the Notice to Proceed. Bids are due by November 23, 2026, and must be submitted via email to Fran McGraw. Award decisions will be based on overall best value, with mandatory requirements including a physical site visit and the submission of a bid bond equal to 20% for bids of $25,000 or more. Awarded contractors must provide performance and payment bonds from a surety company with at least an A- rating. The project is subject to Construction Wage Rate Requirements, necessitating compliance with California prevailing wages and the submission of worker classifications. Additionally, contractors must provide a detailed cost breakout, a Certificate of Insurance, and adhere to OSHA safety standards. This opportunity is open to various small business categories, including VOSB, SDVOSB, WOSB, and HUBZone certified firms, who must provide the corresponding SBA certification letters.

Inland Empire Job Corps

POSTED

about 7 hours ago

DEADLINE

CBP7792 Cafeteria Hot Water Heater Replacement

Solicitation # CBP7792

Management & Training Corporation (MTC) is soliciting bids for a fixed-price, single lump sum subcontract to replace a failing commercial natural gas-fired water heater at the Sierra Nevada Job Corps Center in Reno, Nevada. The project requires a licensed plumbing contractor to isolate, remove, and dispose of the existing unit and install a new commercial-grade 125-gallon natural gas-fired water heater. The estimated price range for this effort is between $25,000 and $100,000. Award decisions will be based on overall best value, evaluating price, quality, delivery schedule, and experience with similar construction projects. Bidders must submit a signed MTC Bid for Lump Sum Contract form along with a detailed cost breakout on company letterhead, including itemized labor, materials, and equipment specifications. For bids equal to or exceeding $25,000, a bid bond guarantee of 20% is required, and the awarded contractor must provide performance and payment bonds from an A-rated surety. Compliance requirements include adhering to the Davis-Bacon Act via Wage Determination NV20250040, submitting an SF 1413 Statement and Acknowledgement, and providing a Unique Entity ID (UEI). First-tier subcontractors with contracts exceeding $45,000 must also disclose their debarment and suspension status per FAR 52.209-6. Final acceptance is contingent upon a facility walkthrough and the verification of all safety controls and operational standards.

Sierra Nevada Job Corps Center

POSTED

about 7 hours ago

DEADLINE

PUMP STATION 2 IMPROVEMENTS AND MODERNIZATION K-27-2502-DBB-3-C

Solicitation # pump-station-2-improvements-modernization-k-27-2502-dbb-3-c

J.F. Shea Construction, Inc. is soliciting bids from subcontractors and suppliers for the Pump Station 2 Improvements and Modernization project located in California. The scope of work encompasses a wide range of trades, including demolition, abatement, ready-mix concrete, reinforcing steel, miscellaneous metals, steel deck roofing, sheet metal, joint sealants, gypsum board assemblies, painting and coatings, HVAC, equipment, and electrical and instrumentation. This solicitation is open to various SBA certified entities, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses, as well as Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of December 10, 2026. Primary coordination for this opportunity is handled by Lori Olivas.

J.F. Shea Construction, Inc.

POSTED

about 7 hours ago

DEADLINE

CBP#10027 Replace Cafeteria Waste Line & Floor Restoration

Solicitation # CBP#10027

Management & Training Corporation (MTC) is seeking bids for a fixed-price, single lump sum subcontracting opportunity at the Edison Job Corps Center in Edison, New Jersey. The project, identified as CBP#10027, involves the replacement of compromised underground waste piping serving the cafeteria food line and subsequent floor restoration. The scope of work includes saw-cutting the existing floor around 3-inch drains, removing and replacing piping, backfilling, and ensuring the final system is functional and code-compliant. The estimated price range for this project is up to 25,000 dollars, with a required performance period of 30 consecutive business days following a written Notice to Proceed. Bids are due by November 16, 2026, and must be submitted to Wendy Lawrence. A mandatory physical site visit and signature on the attendance roster are required prior to bid submission. Required documentation includes the MTC Bid for Lump Sum Contract form, a detailed cost breakout on company letterhead, and the MTC Supplier Packet. For bids equal to or greater than 25,000 dollars, a bid bond of 20 percent of the base bid is required, along with performance and payment bonds from a surety company with at least an A- rating. This opportunity is open to small businesses, including certified VOSB, SDVOSB, WOSB, and HUBZone entities. The project is subject to Construction Wage Rate Requirements, necessitating compliance with prevailing wage and fringe benefit rates for Middlesex County. Award decisions will be based on overall best value, with MTC serving as the sole judge of responsiveness. Failure to complete work by the agreed date may result in liquidated damages of 100 dollars per consecutive calendar day.

Edison Job Corps

POSTED

about 7 hours ago

DEADLINE

DETROIT JCC-2026-41 – PLUMBING, HEATING, COOLING & ELECTRICAL

Solicitation # detroit-jcc-2026-41-plumbing-heating-cooling-electrical

Serrato Corporation is soliciting bids for ongoing plumbing, heating, cooling, and electrical services at the Detroit Job Corps center located at 11801 Woodrow Wilson, Detroit, Michigan. This contract falls under NAICS code 238220 and requires licensed professionals to maintain and service the facility's essential mechanical and electrical systems. The opportunity is set aside for small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of May 31, 2027. Primary coordination for this solicitation is handled by Toni Robinson.

Serrato Corporation

POSTED

about 7 hours ago

DEADLINE

Citywide On-Call Plumbing Services

Solicitation # 6100019905

The City of San Antonio is seeking proposals under solicitation RFCSP 26-112 (RFx 6100019905) for an on-call contracting services (OCCS) contract to provide citywide commercial plumbing maintenance and repairs. The scope of work includes specific services such as pressure tapping, pipe freezes, and toilet repairs and maintenance. However, the contract explicitly excludes any services related to new building construction, remodeling, or the alteration of existing buildings. Proposals must be submitted through the SAePS portal by November 20, 2026, at 11:00 a.m. Central Time. Interested contractors must complete the City's SAePS Vendor Registration to access the solicitation and submit a response. While an optional pre-submittal conference was scheduled for October 15, 2026, all formal inquiries and submissions are managed through the designated procurement portal and the Finance Department Procurement Division.

CITY OF SAN ANTONIO

POSTED

about 8 hours ago

DEADLINE

HVAC and Boiler Preventive Maintenance and Repair ServicesThis subcontract for HVAC and Boiler Preventive Maintenance and Repair Services involves providing routine preventive maintenance, emergency repairs, and general upkeep for central air conditioning, heating boilers, air handlers, and domestic hot water systems. The work supports prime contractors on Maryland Department of Juvenile Services facility projects and requires the contractor to conduct quarterly maintenance visits and remain available for emergency repairs 24/7. The primary deliverables include fully operational systems and signed maintenance logs. To qualify for this engagement, contractors must hold a Maryland HVAC Master License and a Certified Welding License. The opportunity is categorized under NAICS code 238220, with a response deadline set for December 4, 2026.

POSTED

about 12 hours ago

DEADLINE

HVAC, BOiler Preventative Maintenance Repair and Water Treatment

Solicitation # BPM059704

The State of Maryland is soliciting bids for a single-award contract to provide comprehensive maintenance and repair services for the HVAC and boiler systems at the Charles H. Hickey, Jr. School in Baltimore. The scope of work encompasses routine preventive maintenance, emergency repairs, and water treatment services for central air conditioning, heating boilers, air handlers, domestic hot water systems, and water treatment equipment. This is a Small Business Reserve Procurement, limiting the award to certified small businesses, with a specific MBE goal of 5 percent. The contract requires the contractor to be licensed in Maryland, designating a Master License holder for HVAC and a Certified Welding License holder to oversee all work performed by licensed personnel. Award will be made by lot to the responsive and responsible bidder offering the lowest total price, with preferences available for small, veteran-owned, and disabled-veteran-owned businesses. Key performance requirements include 24/7 emergency maintenance availability and strict water treatment standards, including maintaining pH levels between 8.0 and 10.0 in closed loop systems and submitting monthly analysis reports. Bidders must submit a complete package via eMMA, including a signed price form and various affidavits and bonds. The contractor is also required to remit a one percent electronic transaction fee on all approved invoices and maintain a detailed maintenance log and service reports signed by the school's maintenance supervisor.

POSTED

about 12 hours ago

DEADLINE

Plumbing (Drinking Fountain)This subcontract opportunity involves providing specialized plumbing services for drinking fountain replacement on public works projects within the City of Manhattan Beach. The selected contractor will be responsible for the removal of existing units and the installation of new drinking fountains, ensuring all necessary plumbing connections are completed to deliver a fully functional replacement. The project falls under NAICS code 238220 and is managed by the Public Works agency in California. Interested parties must submit their responses by the deadline of December 10, 2026.

POSTED

about 14 hours ago

DEADLINE

Compressed Air and Plumbing ServicesThis subcontract for Compressed Air and Plumbing Services involves the installation of compressed air systems and plumbing infrastructure for prime contractors on NAVFAC and US Navy projects located at NBK Bangor. The scope of work includes the installation of 13 air drops, a 120-150 gallon tank, and hose reels, as well as the provision of piping for dry and shop air that adheres to ISO 8573-1 Class 1.4.1 standards. Additionally, the contractor is responsible for installing the necessary infrastructure for portable shower and eyewash stations to ensure a fully operational safety and air system. Managed by the Bristol Alliance of Companies through the Bristol - Temecula office, this project falls under NAICS code 238220. The solicitation was posted on November 12, 2026, with a response deadline set for December 5, 2026. The primary objective is the delivery of a complete, functional compressed air system and safety shower infrastructure meeting all specified military and industrial standards.

Bristol Alliance of Companies

POSTED

about 15 hours ago

DEADLINE