Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, September 16 at 2:00 PM EDT

Register Free →

TSONTOS, MICHAEL M., S.A.

UEI: K6MQCH7JB7L8CAGE: G1851

TSONTOS, MICHAEL M., S.A. is a federal contractor, registered under UEI K6MQCH7JB7L8 and CAGE code G1851. It has been awarded $144,892,380 across 521 federal contracts. Primary work spans Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, and Residential Remodelers. Top awarding agencies include Department Of Defense, Department of Defense, and Other agencies (2 agencies, <0.5% each).

Contact Information

Registration and classification details

Registration

UEI Code

K6MQCH7JB7L8

CAGE Code

G1851

Entity Structure

International Organization

Established

N/A

Business Classifications

2X

NAICS Codes

236220Commercial and Institutional Building Construction(Primary)
237310Highway, Street, and Bridge Construction
238130Framing Contractors
238210Electrical Contractors and Other Wiring Installation Contractors
238390Other Building Finishing Contractors

Federal Contracting Overview

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

AI Capability Profile

TSONTOS, MICHAEL M., S.A. specializes in commercial and institutional building construction services tailored to U.S. Department of Defense installations, delivering precision-driven infrastructure upgrades and facility modernization. Their core capabilities encompass exterior building repairs, door...

TSONTOS, MICHAEL M., S.A. specializes in commercial and institutional building construction services tailored to U.S. Department of Defense installations, delivering precision-driven infrastructure upgrades and facility modernization. Their core capabilities encompass exterior building repairs, door and window replacements, pedestrian pathway improvements, parking infrastructure reconstruction, and specialized installations such as vehicle charging stations and automated access control systems including drop arms. The contractor demonstrates deep technical proficiency in site-specific construction sequencing, utility integration—particularly oil-water separator modifications—and the retrofitting of military facilities to meet evolving operational and environmental standards. Their work frequently involves constrained, mission-critical environments requiring strict adherence to security protocols, minimal operational disruption, and compliance with military construction codes and sustainability benchmarks. The contractor maintains an exclusive focus on the Department of Defense, consistently executing projects across diverse military installations, from overseas bases to domestic facilities. Their portfolio reflects a pattern of recurring engagement with DoD logistics, morale-welfare-recreation (MWR), and command support units, delivering both routine maintenance and strategic infrastructure enhancements that support force readiness and base resilience. Operating under NAICS 236220, the firm is positioned as a niche provider of institutional construction services within the defense sector, specializing in non-residential building modifications rather than new construction. Their market presence is defined by responsive, small-scale contract execution that prioritizes rapid turnaround and adaptability to dynamic military requirements. TSONTOS, MICHAEL M., S.A. is structured as an X6 entity, indicating a small business classification under federal contracting rules, with no active government certifications on record. Located in Chania, Greece, the firm serves U.S. defense installations globally, leveraging regional operational presence to support overseas DoD missions with on-the-ground construction execution and supply chain agility.

Key Performance Metrics

Awards Count

0

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 & Distribution

Awards by Agency
Department Of Defense$142.9M98.6%
Department of Defense$1.3M0.9%
Other agencies (2 agencies, <0.5% each)$732.3K0.5%
Awards by NAICS
Export
236220 - Commercial and Institutional Building Construction$117.9M81.4%
237310 - Highway, Street, and Bridge Construction$15.8M10.9%
236118 - Residential Remodelers$5.2M3.6%
238990 - All Other Specialty Trade Contractors$2.5M1.8%
238210 - Electrical Contractors and Other Wiring Installation Contractors$1.2M0.8%
Others - Other NAICS codes (16 codes, <0.5% each)$2.2M1.5%
Awards by Agency Over Time
Awards by Place of Performance

Compete with TSONTOS, MICHAEL M., S.A.

Track the contractors you bid against, and the work they win

Award history, agency mix, and NAICS coverage for TSONTOS, MICHAEL M., S.A.

AI-powered matching against your own capabilities and past performance

Teaming and subcontracting signals on every award

Automated alerts when a competitor wins in your market

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS

Open opportunities in TSONTOS, MICHAEL M., S.A.'s top NAICS codes and agencies

NAICS: 238210
New
SLED
Existing Generators Replacement Aguadilla, PR
Solicitation # 872298
This project involves the complete replacement of two existing power generators at the Aguadilla Detention Facility in Aguadilla, Puerto Rico. The scope of work requires the removal of old units and the installation of one 100 kW and one 150 kW Perkins diesel generator, both featuring stainless-steel enclosures anchored to existing concrete slabs. The installation includes two new NEMA 3R automatic transfer switches and requires comprehensive load bank testing for both units. The project is being issued as a firm-fixed-price task order under an 8(a) MACC IDIQ, with a magnitude estimate between $250,000 and $300,000 and a total period of performance of 270 calendar days from the notice to proceed. The award will be based solely on the lowest total evaluated price, though proposals will be evaluated on technical understanding, methodology, program implementation, and the ability to coordinate labor and materials given the constraints of working on an island. Contractors must comply with the Buy American Act, Davis-Bacon prevailing wage rates for Puerto Rico, and strict security protocols, including the signing of DHS non-disclosure agreements and potential PIV card issuance for personnel. Key administrative requirements include submitting payment requests via the Invoice Processing Platform with certified payroll, providing a project schedule within 15 days of the notice to proceed, and adhering to standard working hours of 7:30 am to 4:00 pm, Monday through Friday.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 20 days
View Details
NAICS: 236220
New
SLED
BEQ- Sanitize & Paint Rooms, B4167, Multi Rooms, MASS1, Station
Solicitation # N400857607511
Solicitation N400857607511 is a task order for the remediation, preparation, and painting of 22 designated barracks rooms and associated bathrooms at MCAS Cherry Point, North Carolina. The project focuses on the complete eradication of active microbial growth using EPA-registered disinfectants and antimicrobial solutions. The scope of work includes the preparation and painting of approximately 18,562 square feet of barracks room surfaces and 3,840 square feet of bathroom surfaces, requiring one coat of mold-and-mildew-resistant sealing primer and at least two coats of specialized paint matching the existing color and sheen. All work must be completed within 60 calendar days after the award, with a project value estimated between 25,000 and 100,000 dollars. The contract will be awarded based on the lowest price. Proposals are due by 1200 local time on September 16, 2026, and must be submitted via email to the designated Navy contacts. Bonding requirements vary by proposal value, with payment bonds required for amounts exceeding 35,000 dollars. The contractor is responsible for providing all labor, supplies, and equipment, and must adhere to the Davis-Bacon Act and Buy American requirements. A qualified individual must be designated to serve as the Superintendent, Quality Control Manager, and Site Safety and Health Officer. Final acceptance is contingent upon a complete site cleanup and the submission of all required paperwork to the Contracting Officer's Representative.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 7 days
View Details
NAICS: 236220
New
SLED
DB Construction for HC-130J Flight Simulator Facility at USCG Elizabeth City, NC
Solicitation # 32000479
This design-build project involves the construction of a full-motion Weapons System Trainer flight simulator facility for the HC-130J aircraft at U.S. Coast Guard Base Elizabeth City, North Carolina. The facility will be approximately 13,000 gross square feet and is designed to accommodate 28 personnel. The scope includes the creation of a simulator bay for a Government Furnished, Government Installed mobile simulator, as well as classrooms, administrative offices, debriefing spaces, and essential support areas for mechanical, electrical, and telecommunications systems. Site work includes the installation of sidewalks and landscaping while utilizing existing parking areas. The project requires the use of Siemens Building Automation Systems to ensure compatibility with existing installation-wide systems and must adhere to USCG Configuration Standard Technical Orders for new building design. The contract is issued as a task order under the DHS National Multiple Award Construction Contract III, Pool Two, with an estimated value between 10 million and 20 million dollars and a price limitation of approximately 16 million dollars. The period of performance is 719 calendar days from the date of award. Award selection is based on best value, utilizing tradeoff procedures that weigh price against non-price factors, specifically the offeror's design approach and construction management capabilities. Key requirements include strict adherence to US citizenship for all on-site personnel, compliance with the Davis-Bacon Act for labor standards, and the implementation of a quality control system meeting FAR 52.246-12 standards. Proposals are due by September 25, 2026, via the DoDSafe portal.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 15 days
View Details
NAICS: 238210
New
SLED
Conex Offices for Forensics Personnel - St. Thomas
Solicitation # 872300
This project involves the provision and installation of two 40-foot steel FLEXTAINER conex offices at the St. Thomas HSI Facility in the US Virgin Islands to support forensic science technicians. Each unit will be installed on a 3k PSI reinforced concrete slab and equipped with two split-system A/C units, a steel door with a Cypher lock, four security windows, R-11 insulation, vinyl flooring, LED lighting, and a 5-pound ABC fire extinguisher. The contractor is responsible for connecting the units to the nearest electrical circuit using 2-inch PVC or uPVC conduit and must adhere to NFPA 70 and International Building Code standards. The contract is a Firm-Fixed-Price task order issued under an 8(a) MACC IDIQ, with an estimated magnitude between $250,000 and $300,000. The period of performance is 364 calendar days from the Notice to Proceed, with a project schedule due within 15 days of that notice. Award is based on the lowest total evaluated price, considering technical approach, safety, and quality control. Key requirements include compliance with the Buy American Act, adherence to prevailing wage rates per determination VI20260001, and strict security protocols, including the signing of DHS Non-Disclosure Agreements and mandatory cybersecurity training for personnel. All payment requests must be submitted electronically via the Invoice Processing Platform and accompanied by certified payroll.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 20 days
View Details
NAICS: 238210
New
SLED
Replace Switchgears at FRCE, Phase 1
Solicitation # N400857545551
Solicitation N400857545551, titled Replace Switchgears at FRCE, Phase 1, is a request for proposals for electrical infrastructure upgrades at Marine Corps Air Station Cherry Point, North Carolina. The project involves the demolition and replacement of seven electrical switchgear stations across Buildings 137 and 138, including the installation of new molded-case breaker switchgear with PM5500 power metering and the replacement of a 15kV switch and transformer in Building 138 with a new 6-way SF6 switch and 480V dry type transformer. The work requires reworking existing conduits and conductors and adhering to strict operational constraints, specifically that each switchboard replacement must be completed within a 72-hour power outage scheduled over a three-day holiday weekend. The estimated cost range for the project is between 1,000,000 and 5,000,000 dollars, with a completion timeline of 720 calendar days after award. The contract will be awarded based on the lowest price. Bidders must comply with the Buy American statute and EM 385-1-1 safety standards, particularly as Building 137 is classified as a hazardous area. Depending on the proposal value, bid, performance, and payment bonds may be required, with bid bonds mandatory for proposals exceeding 150,000 dollars. Key deliverables include a baseline construction schedule with monthly updates and a three-week look-ahead schedule. The project incorporates various FAR and DFARS clauses, including requirements for accelerated payments to small business subcontractors and restrictions on materials from specific regions. Proposals are due by September 10, 2026, and must be submitted via email to the designated Navy contacts.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in about 18 hours
View Details
NAICS: 236220
New
SLED
Upgrade Life Health Safety Systems in Hangar 250
Solicitation # N400857190530
Solicitation N400857190530, project number 7190530, involves upgrading the life health safety systems in Hangar 250 at MCAS Cherry Point, North Carolina. The scope of work includes architectural improvements, modifications to fire alarm and fire protection systems, and the rerouting of plumbing and electrical systems. Because the work will be performed in an occupied facility, the contractor must coordinate closely with base operations and adhere to strict safety and security requirements. The project is estimated to be valued between 1,000,000 and 5,000,000 dollars, with a required completion timeframe of 380 calendar days after award. The government intends to award the contract based on the lowest price without discussions, requiring offerors to provide their best price terms in the initial proposal. Proposals are due by 1500 local time on September 21, 2026. Depending on the proposal value, bonding requirements range from no bonds for amounts under 35,000 dollars to bid, payment, and performance bonds for amounts exceeding 150,000 dollars. The contract is subject to the Davis-Bacon Act and Buy American requirements. Administrative requirements include submitting invoices via Wide Area Workflow and providing a detailed schedule of prices within 15 calendar days of the award. Final acceptance is contingent upon the Contracting Officer's approval of a Quality Control Plan and the successful completion of punch out and pre-final inspections.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 9 days
View Details
NAICS: 238990
New
Floor Treatment Services
Solicitation # Floor Treatment Services
This solicitation is for professional floor treatment services at the Earle C. Clements Job Corps Academy in Morganfield, Kentucky. The project is a subcontracting opportunity with Management & Training Corporation and encompasses a comprehensive scope of work including stripping and applying four coats of premium finish to VCT flooring in Buildings 401 through 405, Building 610, and Dormitory 504. Additionally, the contractor must provide terrazzo floor treatment in the Dormitory 504 lobby, deep cleaning of tile and grout in the Student Union Kitchen, and carpet cleaning in Buildings 301 through 305. All work must be completed within sixty calendar days from the authorized start date, with final acceptance based on a walkthrough and the satisfactory removal of all project-related debris. The contract is set aside for various small business categories, including SDB, WOSB, HUBZone, and SDVOSB. Bidders must submit a lump sum bid, a W-9, a self-certification form, and proof of insurance by September 11, 2026. Insurance requirements include one million dollars per occurrence for general liability, five hundred thousand dollars for worker's compensation, and one million dollars for auto liability. Compliance with Service Contract Labor Standards and Wage Determination 2015-4687 is mandatory. Award selection is based on best value as determined by the contractor. Administrative requirements include weekly or bi-weekly invoicing and adherence to federal security guidelines for protecting sensitive information.
Earle C. Clements Job Corps Center

POSTED

about 7 hours ago

DEADLINE

in 2 days
View Details