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CUSTOM MECHANICAL SYSTEMS, CORP.

UEI: TGX2J92K5UP9

CUSTOM MECHANICAL SYSTEMS, CORP. is a federal contractor, registered under UEI TGX2J92K5UP9. It has been awarded $2,728,916 across 5 federal contracts. Primary work spans Site Preparation Contractors, Power and Communication Line and Related Structures Construction, and Industrial Building Construction. Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

TGX2J92K5UP9

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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Prime · all time

Subcontracts

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Award Analytics & Distribution

Awards by Agency

Department Of Defense$2.7M100%

Awards by NAICS

238910 - Site Preparation Contractors$2.6M93.5%

237130 - Power and Communication Line and Related Structures Construction$145.8K5.3%

236210 - Industrial Building Construction$27.6K1%

Others - Other NAICS codes (1 codes, <0.5% each)$5.0K0.2%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in CUSTOM MECHANICAL SYSTEMS, CORP.'s top NAICS codes and agencies

Perimeter Intrusion Detection System (PIDS) Phase IIIThe Perimeter Intrusion Detection System (PIDS) Phase III project will establish the foundational power and communication infrastructure necessary to support the deployment of advanced security technologies including Lidar, Radar, and camera systems along the perimeter of Port of Seattle facilities. This initiative is designed to enhance physical security by enabling real-time detection and monitoring capabilities through integrated sensor networks, ensuring comprehensive coverage and rapid response to potential threats. The infrastructure work will involve site preparation, utility routing, cabling, and connection points to support the reliable operation of all PIDS components. The project is being managed by the Aviation Project Management Group under the Port of Seattle, with primary point of contact Yanet Maldonado and Project Manager Michelle Carioto overseeing procurement and execution. Although the solicitation number is not yet available, the forecast was posted on August 5, 2026, and the work falls under NAICS code 237130, indicating it is classified as Utility System Construction. Performance will occur at Port of Seattle locations, though specific site details are not provided. Interested parties should monitor the official portal linked in the contract data for formal solicitation release and submission guidelines.

Aviation Project Management Group

POSTED

about 6 hours ago

DEADLINE

Public Safety DAS UpgradeThe contract involves the demo and installation of a Distributed Antenna System (DAS) for public safety communications, including Bi-Directional Amplifiers, antennas, cabling, fiber optic infrastructure, patch panels, and all other components as defined in the approved design. The system must be installed to meet critical and redundant operational standards to ensure uninterrupted coverage, particularly in high-traffic or mission-critical areas under the Port of Seattle’s jurisdiction. The scope requires comprehensive coverage testing and commissioning to validate that the deployed system meets or exceeds specified design benchmarks for signal strength, reliability, and failover performance. All work will be executed under the oversight of the Aviation Project Management Group within the Port of Seattle, with primary coordination handled by Leila Gonzalez-Rigatto and project management support from Rishiraj Savita. The contract is classified under NAICS code 237130 for telecommunications construction and is set for release in 2026, with detailed specifications to be provided through the official solicitation portal. While no set-aside type is specified, the project demands specialized technical expertise, rigorous compliance, and proven experience in deploying public safety-grade DAS solutions in complex environments.

Aviation Project Management Group

POSTED

about 6 hours ago

DEADLINE

Monterey One - Renewable Energy Improvements (CP361), Marina, CA

Solicitation # monterey-one-renewable-energy-improvements-cp361-marina-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers for the Monterey One Water Regional Treatment Plant CP361 Renewable Energy Improvements Project located in Marina, California. The scope of work includes extensive upgrades to the digester facilities, such as replacing digester gas piping and safety equipment, installing new level measurement devices, and recoating interior headspaces along with concrete repairs to all four digesters and the associated building. The project also involves installing five owner-furnished linear generators with related electrical work, integrating a biogas conditioning system and RNG upgrading system with a pipeline to the PG&E injection station, and replacing the existing steam boiler with a hydronic heating water system. Additional tasks include removing old waste gas flares and replacing them with new enclosed flares, demolishing the Cogen facility and its appurtenances, and replacing two access roof hatches on each digester with concrete repair provisions. The project encompasses civil, structural, mechanical, electrical, and demolition components requiring specialized trade expertise. Bidders must operate under relevant NAICS codes including 237310, 238110, 238120, 238190, 238320, 238220, and 238210, with a preference for certified Disadvantaged Business Enterprises (DBE), Minority Business Enterprises (MBE) through NMSDC, and Women Business Enterprises (WBE) through WBENC. The solicitation opened on August 5, 2026, with bids due by August 20, 2026. Interested parties must email estimating@gseconstruction.com to request secure access to the full project documentation before submitting a response. All bids must be submitted through the designated portal, and inquiries should be directed to Michael Demissie at the provided contact information. The project is being managed under a non-federal set-aside structure emphasizing diversity in contracting.

GSE Construction Co., Inc.

POSTED

about 6 hours ago

DEADLINE

SEA S Concourse Evolution (SCE) – Bid Package 02

Solicitation # sea-s-concourse-evolution-sce-bid-package-02

The contract covers Bid Package 2 of the S Concourse Evolution (SCE) project at Seattle-Tacoma International Airport, managed by Hensel Phelps as the General Contractor and Construction Manager. It encompasses a broad range of construction activities including demolition and abatement, building concrete retrofit, structural steel and metal stairs and railings, fire suppression systems, site paving, runway and taxi marking, site demolition and earthwork, deep foundations, site utilities, aviation fueling systems, and baggage handling systems. The estimated contract value ranges from $124.2 million to $143.7 million, with individual subsystem budgets varying from $600,000 for runway marking to over $20 million for baggage handling systems. All subcontracting must use Hensel Phelps standard subcontract forms, and performance bonds are required for subcontracts exceeding $100,000, submitted using the bond forms provided in the bid package. A Workers’ Compensation Waiver of Subrogation is mandatory for all subcontractors. This is a Project Labor Agreement (PLA) project, requiring adherence to specific labor standards, and all bidders must be prepared to comply with Hensel Phelps’ equal opportunity employer policies. Bids must be submitted via email to SEA-SCEBids@henselphelps.com by 8:00 PM PDT on August 11, 2026, using the official bid form contained in the Instructions to Bidders document. The solicitation is designated as an 8A small disadvantaged business set-aside, with the NAICS code 238910 indicating construction specialty trade contracting. The project site is located in Washington, and all deliverables must be performed at the airport. No contract administration details such as payment offices, invoicing methods, or contracting officer representatives are specified, nor are inspection and acceptance criteria or packaging requirements outlined, leaving key execution parameters to be defined in the bid documents and subsequent agreements.

POSTED

about 6 hours ago

DEADLINE

NCMT BERTH 24-11 STRUCTURAL REPAIR

Solicitation # 2022-23

The contract involves the comprehensive rehabilitation of the existing concrete marginal wharf at National City Marine Terminal Berth 24-11 in California, along with the reinstallation of the shore power system, as detailed in Specification No. 2022-23 and Drawing No. NC-2022-02. The scope encompasses a wide array of specialized services including AC pavement demolition and disposal, asbestos remediation, concrete coring and saw cutting, concrete demolition, contaminated soil testing and removal, diving services, electrical and water utilities work, environmental monitoring, LIDAR surveying, materials testing, miscellaneous metal fabrication, reinforcing steel installation, storm drain utilities, treated timber disposal, and underwater pile jackets. All work must be executed in accordance with the referenced plans and specifications, and the project is being managed by Manson Construction Co. as the prime contractor, who is actively soliciting sub-bids and supplier quotes from qualified Small Business Enterprises (SBE) to participate across all disciplinary scopes. The agency emphasizes equal opportunity and is committed to fostering participation from disadvantaged business enterprises under Department of Transportation, State of California, NMSDC, and WBENC certifications. The bid submission deadline is August 6, 2026, and all proposals must be submitted to Emre Erzen at lbestimating@mansonconstruction.com. Manson Construction is offering support services including assistance with project scoping, bonding, insurance, lines of credit, and equipment acquisition to facilitate SBE participation, reinforcing its role as an Equal Opportunity Employer seeking to engage capable small business partners in delivering this critical maritime infrastructure repair.

Manson Construction Co.

POSTED

about 6 hours ago

DEADLINE

Port of San Diego NCMT Berth 24-11 Structural Repair, CA

Solicitation # port-san-diego-ncmt-berth-24-11-structural-repair-ca

The contract involves the comprehensive rehabilitation of the concrete marginal wharf at National City Marine Terminal Berth 24-11 in California, requiring full labor, materials, and equipment to dismantle and replace damaged structural elements including portions of the concrete deck, pile caps, and appurtenances. The scope includes repairing existing piles, installing pile jackets, constructing a new reinforced concrete deck, and replacing critical waterfront components such as bull rails, wale systems, and mooring hardware like bollards. All work must adhere to the contract drawings and specifications to ensure structural integrity and compliance with maritime standards. Additionally, the project encompasses the removal, relocation, and reinstallation of the existing shore power system, along with its associated infrastructure such as conduits, manholes, and related appurtenances. The electrical work requires complete testing and commissioning to ensure the system operates fully and reliably as a functional installation. The solicitation is designated as a Small Business set aside under NAICS code 238910, with responses due by August 6, 2026, and is managed by Griffith Company through point of contact Chris Mize. The place of performance is firmly located in California, with no additional administrative details provided beyond the contact and deadline information.

Griffith Company

POSTED

about 6 hours ago

DEADLINE

in about 2 hours

Pismo - DB Services for the Central Coast Blue AWPF, Pismo Beach, CA

Solicitation # pismo-db-services-central-coast-blue-awpf-pismo-beach-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers to participate in the design-build construction of the Central Coast Blue Advanced Water Purification Facility in Pismo Beach, California, a project aimed at producing approximately 500 acre-feet per year of purified water through a 0.50 MGD treatment system. The scope encompasses the construction of a 200,000-gallon equalization tank, membrane filtration and two-stage reverse osmosis units, UV/advanced oxidation processes, chemical feed and storage systems, post-treatment stabilization, chlorination, purified water storage and pumping infrastructure, approximately 2,000 linear feet of HDPE conveyance pipelines, and groundwater recharge elements including one injection well and two monitoring wells. The project also requires full electrical, instrumentation, SCADA, and control systems integration. Bids must align with applicable NAICS codes including 237110, 238120, 237310, 238990, 561730, 238110, 238320, 332312, 238220, and 221310, and are restricted to small business, small disadvantaged, women-owned, disadvantaged business enterprise, and minority business enterprise contractors under SBA and non-federal certifications. Interested parties must request project documents via email to estimating@gseconstruction.com to receive a secure link with complete specifications, with all submissions due by August 11, 2026. Primary points of contact are Michael Demissie and Juan Catano.

GSE Construction Co., Inc.

POSTED

about 6 hours ago

DEADLINE

UTILITY & BACKUP POWER INDEPENDENCE, MISSION CONTROL STATION

Solicitation # utility-backup-power-independence-mission-control-station

The contract seeks small businesses to deliver comprehensive multi-disciplined support services for the construction and ongoing maintenance of an independent backup power plant located in Colorado, critical to mission control station operations. Scope includes integrated systems such as plumbing, HVAC, fire suppression, mechanical equipment and piping, electrical controls, telecom infrastructure, fire alarm systems, lightning protection, cybersecurity measures, physical security escorts, and full system commissioning, with a primary focus on generator installation and reliability. All work must adhere to stringent operational and safety standards to ensure uninterrupted power supply and system integrity under all conditions. This opportunity is exclusively set aside for small businesses as defined by the SBA, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, Veteran-Owned Small Businesses, and Service-Disabled Veteran-Owned Small Businesses. The solicitation, issued by BSGI-Weston JV, LLC under NAICS code 237130, has a response deadline of September 1, 2026, with inquiries directed to Erica Vecchio. The place of performance is in Colorado, and all proposers must be prepared to meet rigorous technical, security, and compliance requirements to support a mission-critical facility.

BSGI-Weston JV, LLC

POSTED

about 6 hours ago

DEADLINE

Bare Cove Park, Building 12 Demolition Project

Solicitation # BCPDEMP-#1226

The demolition of Building 12 at Bare Cove Park in Hingham, Massachusetts, is being conducted to clear the site for the upcoming Pickleball Court project, with bids solicited under solicitation number BCPDEMP-#1226 and a response deadline of August 26, 2026. All bidders must be certified in demolition by the Massachusetts Department of Capital Asset Management and Maintenance, and the contract is subject to state labor laws including M.G.L. c. 149 §§44A-J and §§26–27H, which govern public works bidding, prevailing wage rates, and contractor compliance. The Town of Hingham, acting through its Town Administrator and Select Board as the Awarding Authority, retains the right to reject any or all bids, waive minor procedural irregularities, and award the contract based on the best interest of the municipality. Compliance with Massachusetts prevailing wage laws is mandatory, requiring contractors and subcontractors to submit detailed Weekly Certified Payroll Reports and Weekly Statements of Compliance, documenting hours worked by classification, accurate wage payments, and adherence to the official wage schedule. The project enforces workforce participation goals of 15.3% for minority workers and 6.9% for women, with all submissions including company and project details, apprenticeship information, and signed attestations of compliance. Owner-operators seeking exemption from prevailing wage obligations must complete a certification form affirming their status as sole owners, but must still pay prevailing wages if any employees are hired. All payroll records must be retained for at least three years, and reports must be submitted weekly to the Town’s Procurement and Contracts Manager, David Sequeira, at the provided contact information. The project is governed entirely under Massachusetts state law and enforced by the Town of Hingham’s Recreation department, with performance taking place at Bare Cove Park, Hingham, MA 02043.

POSTED

about 7 hours ago

DEADLINE

27-101 Wills Park Lighting and Light Pole Replacement

Solicitation # PE-66085-NONST-2027-000000093

The City of Alpharetta is seeking qualified contractors to perform lighting upgrades at Wills Park, specifically targeting the replacement of existing wooden light poles with steel poles and the conversion of all lighting fixtures to LED technology across eight baseball fields. Fields 1 through 4 will require full pole replacements, while fields 5 through 8 will only need LED fixture upgrades since their poles have already been replaced. The goal is to maintain or improve current lighting levels, with flexibility to reduce the total number of poles if equivalent or superior illumination can be achieved. Detailed aerial maps indicating the current pole and lighting locations are provided to guide proposal development and site planning. All work must comply with city standards and ensure long-term durability, energy efficiency, and safety for nighttime athletic use. Proposals must be submitted by September 3, 2026, at 3:00 PM through the City’s official procurement portal, and all questions or clarifications must be posted on the project’s dedicated BonfireHub webpage. The solicitation number is PE-66085-NONST-2027-000000093, and the primary point of contact for inquiries is Debora Westbrook, reachable via phone at 678-297-6050 or email at dwestbrook@alpharetta.ga.us. Contractors are expected to demonstrate experience in similar municipal lighting projects, provide detailed plans for installation, removal of existing infrastructure, and compliance with all applicable codes and safety protocols. The project is classified under a SLED agency procurement, and while no specific set-aside or NAICS code is indicated, bidders must be prepared to meet all contractual obligations tied to performance, timelines, and quality assurance.

City of Alpharetta

POSTED

about 9 hours ago

DEADLINE

Storm Drainage and Culvert Installation

POSTED

about 10 hours ago

DEADLINE

Sediment Removal, Black Rock Lake, Thomaston, CT

Solicitation # W912WJ26QA140

The U.S. Army Corps of Engineers – New England District is soliciting bids for sediment removal and culvert clearing at Black Rock Lake in Thomaston, Connecticut, with approximately 1,600 cubic yards of material to be excavated and transported to an upland storage site on government property. The contract is valued between $25,000 and $100,000 and is exclusively reserved for small business vendors under a total small business set-aside, with the NAICS code 238910 and a size standard of $19 million in annual revenue. All interested parties must maintain an active registration in SAM.gov at the time of submission; failure to do so will result in rejection as nonresponsive. The solicitation, identified as W912WJ26QA140, was posted on July 23, 2026, with responses due by August 6, 2026, at 9:00 p.m. Eastern Time. Work will be performed at the lake site in Connecticut, while the contracting office is located in Concord, Massachusetts. For inquiries, contact Alicia LaCrosse at the provided phone number or email address.

W2SD Endist New England

POSTED

about 10 hours ago

DEADLINE

SP-364 Replace Underground Cabling in SP Area

Solicitation # N4008526R0249

The contract titled SP-364 Replace Underground Cabling in SP Area involves the replacement of underground cabling within a specified military area under solicitation number N4008526R0249. It was posted on August 5, 2026, with a deadline for responses set for September 7, 2026, at 7:00 PM Eastern Time. The North American Industry Classification System code assigned is 237130, indicating it falls under the category of Utility System Construction. The contracting authority is the Naval Facilities Engineering Systems Command Mid-Atlantic, a branch of the Department of Defense, headquartered in Norfolk, Virginia, with the place of performance also located in the 23511 ZIP code area. Primary point of contact for inquiries is James Midgett, reachable via email at James.l.midgett2.civ@navy.mil or by phone at 757-341-0138. No set-aside type has been designated for this solicitation, and all interested parties must access additional details through the official SAM.gov platform using the provided link.

Navfacsyscom Mid-Atlantic

POSTED

about 10 hours ago

DEADLINE

in about 1 month

Scattergood Generating Station Units 1 and 2 Green Hydrogen-Ready Modernization Project

Solicitation # forecast_af951b7a-a78e-44e7-a9b8-b4fa3a5b739a

California Los Angeles Department of Water and Power

POSTED

about 15 hours ago

DEADLINE

RFQ-171-260000000402-2 | 761/24176.SAR; Cheboygan MGP - Direct Contact Excavation

Solicitation # RFQ-171-260000000402-2

The contract solicitation RFQ-171-260000000402-2 for the Cheboygan MGP Direct Contact Excavation project is a state-led environmental remediation effort administered by the Michigan State Facilities Administration, Design & Construction Division under the Department of Technology, Management and Budget. The work involves excavation, removal, and disposal of approximately 393 tons of contaminated soil at a former manufactured gas plant site in Cheboygan, Michigan, with replacement using 407 tons of clean fill and 87 tons of six-inch clean gravel top layer. Performance is governed by Michigan-specific environmental standards, including the EGLE Non-Residential Direct Contact Criteria and the MDOT 2012 Standard Specifications, with strict adherence to asbestos abatement requirements under Public Act 59 of 2024 and prevailing wage compliance under Davis-Bacon and state regulations. The project includes mobilization, utility clearance, erosion control, and demobilization, all requiring on-site inspections and final acceptance by the Owner’s Professional, contingent upon full compliance with technical specifications, regulatory certifications, and successful test results for material quality and contamination levels. The solicitation operates under a best value procurement model, where bids under $250,000 will be awarded to the lowest responsive and responsible bidder, while higher-value bids are subject to a trade-off analysis between price and qualitative factors such as technical approach, personnel qualifications, schedule feasibility, and past performance, with a 10% price preference for Qualified Disabled Veteran-owned businesses. The only explicitly priced item is a $10,000 provisional allowance, while all other line items are lump sum with no unit prices or extended values provided, preventing a definitive total contract value. Bids must be submitted electronically via the state’s SIGMA VSS portal by August 12, 2026, with mandatory attachments including bid and performance bonds, a Michigan-based business certification, and an asbestos attestation. Special requirements include a 50% Michigan residency mandate for workers, strict security protocols with possible fire watch obligations, and a clause permitting quantity adjustments of up to ±50% without re-bidding, reflecting a flexible contractual framework. Payment is exclusively via electronic funds transfer through SIGMA VSS using the DTMB-0440 payment request form, with no federal accounting codes or procurement officers named, indicating state-level administrative control.

POSTED

about 18 hours ago

DEADLINE

Echo Valley Campground Electrification

Solicitation # 362-2026

The Echo Valley Campground Electrification Project involves expanding electrical infrastructure to serve 39 new campsites within the Lookout Point campground, including trenching, cabling, and roadway lighting in accordance with detailed drawings and specifications. The work is being procured by the Saskatchewan Public Sector under Parks, Culture and Sport, with the solicitation number 362-2026. A mandatory pre-tender site meeting is scheduled for August 12, 2026, at 1:00 p.m., as outlined in the requirements. All interested suppliers must register in the Government of Saskatchewan’s Government Enterprise Management system to access competition documents, submit inquiries, receive updates, and ultimately submit a bid. The procurement is conducted entirely through the GEM electronic bidding platform, and participation requires registration prior to the bid submission deadline of August 18, 2026, at 8:00 p.m. The project is located in Saskatchewan, and all amendments, clarifications, and official communications will be posted exclusively through the GEM portal.

Parks, Culture and Sport

POSTED

DEADLINE

26-08 Cal883432B (Calhoun)

Solicitation # 26-08 Cal883432B (Calhoun)

The project titled 26-08 Cal883432B (Calhoun) involves earthwork and erosion control activities in Calhoun County, Iowa, including selective clearing, excavation, and grading totaling approximately 13,800 cubic yards, along with the placement of 2,750 square feet of tied-concrete block mat, 769 linear feet of tile drainage systems, and a water control structure. Additional work includes the installation of 31 tons of riprap and erosion stone, and the seeding of four acres of land to stabilize soil and prevent further erosion. The estimated construction cost ranges between $135,000 and $155,000, with construction activities required to be completed by November 30, 2026, and buffer seeding finalized by December 15, 2026. The solicitation is managed by the Iowa Department of Agriculture and Land Stewardship, with bids due by August 26, 2026, and inquiries directed to Tracy Blocker at the provided contact information.

Agriculture and Land Stewardship

POSTED

DEADLINE

Veterans Memorial Auditorium Entry Planting & Irrigation Project

Solicitation # MCP 2026-04

The Veterans Memorial Auditorium Entry Planting & Irrigation Project at 10 Avenue of the Flags in San Rafael, California, encompasses a full scope of landscape enhancement activities aimed at revitalizing the entryway area. Work includes protecting existing vegetation, clearing the site, preparing and amending soil, installing mulch, and planting new trees and shrubs. The project also requires trenching and backfilling to support the installation of a new irrigation system, along with adjustments to existing irrigation infrastructure and infill planting to ensure cohesive and sustainable growth. All tasks are to be performed with attention to preserving the integrity of the surrounding environment and existing hardscapes. The contract mandates a 120-day maintenance period following completion to ensure the health and establishment of all newly planted vegetation and irrigation systems. The solicitation, issued by Marin County Parks under the County of Marin, carries the solicitation number 20260803057 and is classified under NAICS code 238910 for other construction support activities. Responses are due by August 14, 2026, at 9:00 PM Pacific Time, with inquiries directed to Tara McIntire via email or phone. The project is open to eligible bidders without a specific set-aside classification and is accessible through the BidAmerica platform for full details and submission.

Marin County Parks, County of Marin

POSTED

DEADLINE