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21ST CENTURY MECHANICAL, INC

UEI: D53NVC1FY5Z2

21ST CENTURY MECHANICAL, INC is a federal contractor, registered under UEI D53NVC1FY5Z2. It has been awarded $80,765 across 6 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

D53NVC1FY5Z2

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

0

All time

Active

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Currently performing

Completed

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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$80.8K100%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$80.8K100%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in 21ST CENTURY MECHANICAL, INC's top NAICS codes and agencies

HVAC and Mechanical ModificationsThe contract titled HVAC and Mechanical Modifications outlines the relocation or installation of HVAC ducts, vents, and climate control units to accommodate newly configured office spaces under a subcontract arrangement. It is classified under NAICS code 238220, which pertains to HVAC installation and mechanical work, and is issued by the Ministry of Water Environment and Climate Change through the Government of Jamaica. The solicitation was posted on July 25, 2026, with a response deadline of August 17, 2026, at 7:00 PM, requiring potential bidders to submit proposals prior to this date. The work is intended to support operational changes within office environments, necessitating precise mechanical adjustments to ensure proper climate control, ventilation, and system integration. Although specific location details such as city or state are not provided, the place of performance is understood to be within Jamaica, and the contract does not indicate any set-aside provisions or special eligibility requirements. Interested parties must access the official portal via the provided link to obtain full solicitation documents and submit responses through the designated government platform.

Ministry of Water Environment and Climate Change

POSTED

about 22 hours ago

DEADLINE

HVAC and Mechanical Systems InstallationThe contract involves the installation of heating, ventilation, air conditioning, and mechanical systems for buildings and industrial facilities under a total small business set-aside, reserved exclusively for small businesses as defined by the SBA. The NAICS code 238220 indicates this project falls under the specialty trade contracting category for HVAC and mechanical work. The opportunity is managed by the Department of Defense through its W071 Endist Portland entity with the required performance located in Portland, Oregon, specifically at the 97204 ZIP code area. All proposals must be submitted by the deadline of August 5, 2026, at 10:00 PM Eastern Time, following the subcontract structure and compliance requirements tied to federal acquisition regulations for small business programs. Work under this contract will demand expertise in system design, installation, and integration across complex facility environments, with strict adherence to defense standards and operational specifications.

W071 Endist Portland

POSTED

DEADLINE

Pumping and Hydraulic SystemsThe contract titled Pumping and Hydraulic Systems is a small business set-aside subcontract under the NAICS code 238220, specifically designated as a Total Small Business Set-Aside in accordance with FAR 19.5, ensuring that only small businesses are eligible to compete. The work involves the installation, maintenance, and support of pumping stations, hydraulic power units, and fluid transfer systems, with all performance obligations centered in Portland, Oregon, at the zip code 97204. The solicitation was posted on July 25, 2026, and responses must be submitted by August 5, 2026, at 10:00 PM Eastern Time. The contracting office is under the Department of Defense, identified as W071 Endist Portland, though no specific point of contact or additional organizational details are provided. The contract opportunity is accessible via the SAM.gov platform for interested small businesses seeking performance-based subcontracting opportunities within defense infrastructure support.

W071 Endist Portland

POSTED

DEADLINE

Fire Protection and Fire AlarmsThe contract titled Fire Protection and Fire Alarms pertains to the installation of comprehensive fire protection systems and fire alarm systems as part of a full facility systems upgrade. It is classified as a subcontract under NAICS code 238220, which corresponds to fire protection contractor services. The opportunity was posted on July 25, 2026, with a response deadline of August 7, 2026, at 2:00 AM. The place of performance is located in Higashimatsushima with a postal code of 981-0503, and the contracting agency is the Department of Defense under the designation FA5025 356 Eceg Pk. No specific set-aside information or point of contact details are provided, and the work is expected to be delivered at the designated location without further geographic clarification beyond the city and postal code.

FA5025 356 Eceg Pk

POSTED

DEADLINE

HVAC and Climate Control SystemsThe contract requires the installation of HVAC and climate control systems to maintain precise environmental conditions within warehouses, ensuring optimal operational integrity for sensitive materials or processes. The work is scoped under NAICS code 238220, indicating specialized building equipment contractors, and is categorized as a subcontract with no specific set-aside provisions. Performance is designated for Higashimatsushima, Japan, with a zip code of 981-0503, though no city or state details are provided beyond the location name. The Department of Defense is the contracting agency under the designation FA5025 356 Eceg Pk, indicating a military or defense-related facility. The solicitation was posted on July 25, 2026, and responses are due by August 7, 2026, at 2:00 AM UTC, leaving a narrow window for submission. All activities must comply with environmental control standards necessary for warehouse operations under defense logistics requirements.

FA5025 356 Eceg Pk

POSTED

DEADLINE

Temporary Boiler and Control Room SetupThe contract titled Temporary Boiler and Control Room Setup is a subcontract awarded under a Service-Disabled Veteran-Owned Small Business Set Aside, targeting the provision and installation of temporary boiler units and mobile control rooms to ensure uninterrupted steam operations during construction activities. The work is required at a location in Dublin, Georgia, with a NAICS code of 238220 indicating it falls under the specialty trade contractors category for heating, plumbing, and air-conditioning. The contract was posted on July 25, 2026, and is administered by the 247-NETWORK Contract Office 7 under the Department of Veterans Affairs, reflecting the federal government’s commitment to supporting service-disabled veteran-owned small businesses in critical infrastructure maintenance tasks. This effort is essential for maintaining operational continuity at VA facilities undergoing construction, ensuring that steam-dependent systems remain functional without disruption.

247-NETWORK Contract Office 7 (36C247)

POSTED

DEADLINE

Boiler System Installation and Controls IntegrationThe contract involves the installation of three new steam boilers within a medical facility located in Dublin, Georgia, with full integration into the existing control systems, piping, and mechanical infrastructure. This work is critical to ensuring reliable heating and operational efficiency in a healthcare environment where continuous system performance is essential. All equipment and systems must meet stringent medical facility standards for safety, reliability, and compliance with environmental and operational regulations. The contract is a subcontract classified under NAICS code 238220 for Plumbing, Heating, and Air-Conditioning Contractors, and it is specifically set aside for Service-Disabled Veteran-Owned Small Businesses. The solicitation is managed by the Department of Veterans Affairs through its 247-NETWORK Contract Office 7, indicating a procurement initiative aligned with federal veteran-owned business support programs. Performance of the work is restricted to the designated medical facility in Dublin, with all systems required to be commissioned and fully operational within the timeline and specifications outlined by the contracting authority.

247-NETWORK Contract Office 7 (36C247)

POSTED

DEADLINE

PEIG-TIE Shaw Building - AHU ReplacementThe Government of Prince Edward Island, through the Department of Transportation, Infrastructure and Energy, is soliciting bids for the replacement of air handling units at the Shaw Building in Charlottetown under tender number 3750-26017. All submissions must be received in clearly marked, sealed envelopes at the Security Desk of the Jones Building, 11 Kent Street, Charlottetown, PEI, no later than 2:00 PM local time on Thursday, August 13th, 2026. Tender documents are accessible exclusively online via the Prince Edward Island government tenders portal, and no hard copies will be provided. Bidders are encouraged to attend the public opening of tenders at the specified time and location. The contract is open to all eligible parties, and while the lowest bid will be considered, it is not guaranteed to be accepted. The contracting authority is Jonathan Gauthier, who can be reached by phone at 902-368-5128 or by email at jwgauthier@gov.pe.ca. This procurement is classified under federal sponsorship, with performance localized to Prince Edward Island.

Gov of PEI - Transportation, Infrastructure and Energy

POSTED

DEADLINE

Site MechanicalThe contract titled Site Mechanical pertains to the installation of HVAC, plumbing, and fire protection systems as integral components of the building’s mechanical infrastructure, assigned under NAICS code 238220 for mechanical contracting. It is structured as a subcontract and was posted on July 25, 2026, with a response deadline of August 11, 2026, at 4:00 PM. The procuring entity is Novi Community Schools in Michigan, though specific location details such as city, state, or zip code for the place of performance are not provided. The contract does not include a set-aside designation or organizational type specification, and no point of contact information is listed. All submissions and inquiries must be made through the provided Michigan state procurement portal link.

Novi Community Schools

POSTED

DEADLINE

Network Infrastructure and ConnectivityThe contract for Network Infrastructure and Connectivity requires the delivery of structured cabling, Wi-Fi access points, and VLAN configuration to enable full network readiness for smart room functionality within facilities operated by Tax Administration Jamaica under the Government of Jamaica. The scope encompasses the installation and integration of physical and wireless network components to support advanced room technologies, ensuring seamless connectivity, data transmission, and system interoperability across designated areas. All work must meet industry standards for reliability, scalability, and security to sustain the operational demands of smart environments. The contract is classified as a subcontract with a NAICS code of 238220, indicating it falls under telecommunications and related construction services. The solicitation was posted on July 24, 2026, with a response deadline of August 17, 2026, at 3:00 PM. Performance is expected to occur at locations under Jamaican government jurisdiction, though specific site details are not provided. The procurement is aligned with broader digital transformation initiatives by Tax Administration Jamaica to modernize infrastructure and enhance service delivery through technology-enabled spaces.

Tax Administration Jamaica

POSTED

DEADLINE

Plumbing System InstallationThe contract entails the full installation of plumbing systems within an occupied building, encompassing supply lines, drainage networks, and vent piping, with strict adherence to operational constraints due to the building’s active use. Work must be meticulously coordinated with other trades to ensure seamless integration and minimal disruption, requiring scheduled access, noise mitigation, and strict protection of existing finishes, fixtures, and infrastructure throughout the project lifecycle. All activities must comply with applicable codes and standards while maintaining the safety and functionality of the occupied spaces. The solicitation is classified as a subcontract under NAICS code 238220, issued by the Hawaii office of the Department of Business, Economic Development, & Tourism, with a response deadline of August 22, 2026. The project requires demonstrated experience in working within occupied environments, robust logistics planning, and the ability to manage complex scheduling alongside environmental and occupancy safeguards. Contractors must be prepared to adapt to evolving conditions on-site and deliver compliant, high-quality plumbing systems without compromising the building’s daily operations.

Department of Business, Economic Development, & Tourism

POSTED

DEADLINE

Fuel System Design and Installation (FMVSS 301 Compliance)The contract entails the design and installation of a complete fuel system including fuel tanks, transfer lines, and fillers, all engineered to meet the Federal Motor Vehicle Safety Standard 301 requirements for crashworthiness and fuel spillage prevention. All components must be constructed and assembled with fireproof sleeves installed to enhance thermal protection and minimize fire risk during or after impacts. The work must be executed to ensure full compliance with federal safety regulations for vehicle fuel systems under crash conditions, with no tolerance for deviations that could compromise occupant safety or environmental integrity. This is a subcontract opportunity issued by the Department of Transportation through its Hawaii office, with a solicitation posted on July 24, 2026, and a response deadline set for August 15, 2026. The North American Industry Classification System code 238220 indicates the work falls under specialty trade contracting for plumbing, heating, and air-conditioning-related services, aligning with specialized vehicle fuel system installations. The place of performance and specific contact details are not provided, but the project is likely tied to state or federally funded transportation assets requiring stringent safety certification. Bidders must demonstrate technical capability, compliance history, and experience with FMVSS 301 standards to be considered eligible.

Department of Transportation

POSTED

DEADLINE

Honuakaha Hot Water Return Systems ModificationsModifications are being sought for the domestic tankless hot water return systems serving 151 rental units in a residential building at 545 Queen Street, Oahu, under the solicitation titled Honuakaha Hot Water Return Systems Modifications. The project aims to enhance the efficiency and reliability of the existing hot water infrastructure to better serve residents, with work to be performed entirely on Oahu. The solicitation was posted on July 24, 2026, and responses are due by August 22, 2026. This opportunity is being managed by the Hawaii Department of Business, Economic Development, & Tourism, under the state agency classification of SLED, though no specific set aside or NAICS code has been designated. All inquiries and communications should be directed to Wendi Reyes, the primary point of contact, via email at wendi.reyes@hawaii.gov or phone at 808-594-0326, with Charlyn Ontai listed as a secondary contact. Further details and official documentation are available through the state’s procurement portal at the provided UI link.

Department of Business, Economic Development, & Tourism

POSTED

DEADLINE

Allentown Lead Service Line Replacements, Cycle 3 Contract AThe Lehigh County Authority is soliciting bids for the replacement of 1,000 lead service lines in Allentown, Pennsylvania, through two separate contracts—Contract A and Contract B—each covering 500 replacements. The work involves the full removal and replacement of lead service lines on both public and private sides, with all construction activities required to comply with state and federal regulations, including the Build America, Buy America Act, the Steel Products Procurement Act, and the Davis-Bacon Act, which mandates payment of prevailing wages. All bids must be submitted electronically through the PennBid portal by August 31, 2026, with Contract A opening at 10:00 AM and Contract B at 2:00 PM, and each bid must include a bid security of ten percent of the bid amount in the form of a certified check or bond. Bids will remain open for 60 days after opening, extendable to 120 days if award delays occur due to funding approvals, bond sales, or grant awards. A mandatory virtual pre-bid meeting was held on August 11, 2026, and all bidder questions had to be submitted in writing via PennBid by August 19, 2026. Compliance with Disadvantaged Business Enterprise (DBE) participation requirements is mandatory, requiring bidders to demonstrate six good faith efforts to solicit state-qualified DBE firms, with documentation of those efforts submitted with the bid; failure to submit this documentation may result in bid rejection. The project is partially funded through PENNVEST and other federal and state sources, obligating contractors to comply with federal Executive Orders 11625, 12138, and 12432, as well as EPA regulations concerning DBE inclusion. Contractors must adhere to strict packaging, labeling, and preservation standards for materials, including machine-printed, UV- and water-resistant labels, color-coded markings for systems, and underground warning tape placed six inches below grade. All work must meet specified inspection and testing criteria, including compliance with ASTM, NFPA, and manufacturer standards, with final acceptance conducted on-site by the Engineer acting on behalf of the Owner. Safety requirements are rigorous, mandating OSHA 10-hour certification for safety representatives, full PPE compliance including hard hats and closed-toe safety footwear, prohibition of smoking and inappropriate clothing on site, and implementation of a respiratory protection program where needed. The Owner retains broad

POSTED

DEADLINE

in about 1 month

Pool Equipment Repair and ReplacementThe contract pertains to the diagnosis, repair, and replacement of mechanical components within pool systems, including pumps, heaters, filters, and valves, ensuring the continued operational integrity of aquatic facilities under the jurisdiction of the Texas Health and Human Services Commission. Work must be performed in accordance with industry standards to maintain safety, efficiency, and compliance with health regulations, with all services required to be completed at locations designated by the agency. The solicitation is structured as a subcontract and falls under the NAICS code 238220, which classifies it within the plumbing and heating contractor sector, indicating that the scope involves specialized technical expertise in plumbing and mechanical systems. Interested parties must submit responses by the deadline of August 14, 2026, at 4:30 PM to be considered for award, with no set-aside designation specified for small businesses or other categories. The contract is posted on the Texas SmartBuy platform under reference HHS0017422, and performance will occur across various facilities managed by the commission throughout Texas, though specific locations are not detailed in the posting. The absence of point of contact information suggests that all inquiries should be directed through the designated procurement portal, and contractors are expected to have proven experience in maintaining and repairing institutional pool systems under state health and safety guidelines.

Health and Human Services Commission

POSTED

DEADLINE

Boiler Maintenance and Repair ServicesThe contract is for boiler maintenance and repair services covering routine inspections, preventive maintenance, and emergency repairs on commercial and industrial boiler systems. Work must include thorough safety checks and strict adherence to ASME and applicable mechanical codes to ensure operational integrity and regulatory compliance. The services are required under a subcontract arrangement issued by the Texas Health and Human Services Commission with a response deadline of August 14, 2026, and were posted on July 24, 2026. The North American Industry Classification System code for this contract is 238220, which categorizes it under plumbing, heating, and air-conditioning contractors. The place of performance and point of contact details are not specified, but the work is expected to be performed in Texas under the agency’s oversight. All bids must be submitted before the stated deadline to be considered.

Health and Human Services Commission

POSTED

DEADLINE

Journeyman Plumbing Labor ServicesThe contract requires the provision of skilled journeyman plumbing labor services for the Denton State Supported Living Center, covering all standard, overtime, holiday, and emergency repairs and maintenance needs. Duties include the installation and repair of plumbing fixtures, pipes, and associated systems, with strict adherence to applicable codes and safety standards. All work must ensure continuous operational integrity and compliance with state and federal regulations essential to a healthcare and residential facility environment. The solicitation is classified as a subcontract under NAICS code 238220, issued by the Texas Health and Human Services Commission, and is open for responses until August 14, 2026. The contract is not subject to a specific set-aside designation, and performance will take place at the Denton State Supported Living Center. Interested parties must submit proposals through the designated state procurement portal by the stated deadline to be considered for award.

Health and Human Services Commission

POSTED

DEADLINE

As-Needed Plumbing Services Denton State Supported Living CenterHHSC PCS is soliciting competitive bids for as-needed plumbing, boiler, and grease trap cleaning services at the Denton State Supported Living Center located at 3980 State School Rd., Denton, TX 76210. Bidders must attend at least one of two mandatory on-site visits scheduled for July 28 and 29, 2026, at 9:00 AM Central Time; failure to attend in person and sign the attendance log will result in disqualification. All attendees must check in at the security gate and are encouraged to notify Jason O’Connor in advance. Participation in the pre-bid process requires full compliance with ADA accommodation requests submitted at least 72 hours in advance, and all participants on conference calls or webinars must provide their legal business entity name, representative details, and email contacts for inclusion on the attendance record. Responses to the solicitation must be submitted by August 14, 2026, at 10:30 AM Central Time, with questions and clarifications due by July 31, 2026, and addenda issued by August 4, 2026. A courtesy review of HUB Subcontracting Plans is also due by August 4, 2026. The anticipated contract start date is September 1, 2026, and all submissions must be made through the Texas SmartBuy system using solicitation number HHS0017416. Primary point of contact for inquiries is Gilbert Munoz.

Health and Human Services Commission

POSTED

DEADLINE