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THIELSCH ENGINEERING INC

UEI: FWSVNZKD9UW5CAGE: 1DY11

THIELSCH ENGINEERING INC is a federal contractor, registered under UEI FWSVNZKD9UW5 and CAGE code 1DY11. It has been awarded $4,506,534 in federal contracts. Primary work spans Plumbing, Heating, and Air-Conditioning Contractors, Service Establishment Equipment and Supplies Merchant Wholesalers, and Testing Laboratories and Services. Top awarding agencies include Department Of Defense, Department Of Defense (dod), and Department Of Veterans Affairs.

Contact Information

Registration and classification details

Websitewww.thielsch.com

Address123 Main St, City, ST 12345

Registration

UEI Code

FWSVNZKD9UW5

CAGE Code

1DY11

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationSubchapter S Corporation

NAICS Codes

811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance(Primary)

Federal Contracting Overview

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

AI Capability Profile

Thielsch Engineering Inc. provides specialized engineering services focused on technical design, analysis, and systems integration, primarily aligned with professional, scientific, and technical consulting under NAICS 541330. The firm delivers engineered solutions for infrastructure, mechanical syst...

Key Performance Metrics

Awards Count

21

All time

Active

0

Currently performing

Completed

21

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$3.8M84.6%Department Of Defense (dod)$514.1K11.4%Department Of Veterans Affairs$102.9K2.3%Department Of Transportation$77.0K1.7%

Awards by NAICS

238220 - Plumbing, Heating, and Air-Conditioning Contractors$3.7M82.8%423850 - Service Establishment Equipment and Supplies Merchant Wholesalers$482.3K10.7%541380 - Testing Laboratories and Services$102.9K2.3%237990 - Other Heavy and Civil Engineering Construction$92.0K2%541330 - Engineering Services$49.0K1.1%541712 - Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)$31.8K0.7%

Others - Other NAICS codes (2 codes, <0.5% each)$16.4K0.4%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in THIELSCH ENGINEERING INC's top NAICS codes and agencies

Ballistic Production Control Testing (PCT) ServicesThis subcontract opportunity is for Ballistic Production Control Testing (PCT) Services supporting the DLA Weapons Support Land Supply Chain within the Department of Defense. The selected provider will perform ballistic testing for prime contractors on DLA and Army projects, specifically conducting Production Control Testing and Ballistic Coupon Testing. All work must be executed in accordance with ATPD 2352 utilizing precision impact analysis tools and high-velocity projectile firing equipment to deliver final Ballistic PCT Test Reports and Certifications. The contract is designated as a Total Small Business Set-Aside under NAICS code 541380. Due to the nature of the work and the requirement to handle classified drawings, the contractor must possess a facility clearance and meet CMMC Level 2 compliance standards. Interested parties must submit their responses by November 18, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

about 1 hour ago

DEADLINE

Three Lakes G111 Replacement

Solicitation # FWC 26/27-10C

The Florida Fish and Wildlife Conservation Commission is soliciting competitive lump-sum pricing for the Three Lakes G111 Replacement project in Osceola County, Florida. The scope of work involves replacing an existing five-barrel CMP culvert structure and control gates with a new cast-in-place five-barrel reinforced concrete box culvert structure. Key deliverables include the installation of reinforced concrete headwalls and rip-rap blankets both upstream and downstream, as well as the implementation of a temporary steel sheetpile cofferdam and dewatering system to facilitate construction in dry conditions. The estimated budget for this project is 3.5 million dollars. Bidders must be registered in the MyFloridaMarketPlace and SunBiz systems and submit sealed bids by October 13, 2026, at 4:00 PM ET. Requirements for the award include a bid bond of at least five percent for bids exceeding 100,000 dollars, and the successful contractor must provide 100 percent performance and labor and material payment bonds. Additionally, contractors must hold a current State Contractor license, provide a Unique Entity Identifier, and ensure compliance with the Build America, Buy America provision and Chapter 255 of the Florida Statutes. Work is generally restricted to weekdays between 7:00 AM and 7:00 PM, and final completion is defined as 30 days after the issuance of a Certificate of Substantial Completion.

Florida Fish and Wildlife Conservation Commission

POSTED

about 2 hours ago

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority is issuing an advance notice for its Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to other heavy and civil engineering construction. The notice was posted on October 20, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

about 2 hours ago

DEADLINE

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Kings Canyon Unified School District is seeking bids for Project No. 1000316-001C, which involves the well drilling phase for Alta, Riverview, and Kings Canyon High schools. The work will be performed across multiple locations in California, specifically within Reedley, Parlier, Dinuba, and Fresno. This solicitation is categorized under NAICS code 237990 and is managed through Anthony J. Prieto Water Well Drilling, Inc. This opportunity is designated as a set-aside for various small business categories, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on October 20, 2026, with a response deadline of November 10, 2026. Interested parties may contact Jennah Castagna for further information regarding the submission process.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

about 2 hours ago

DEADLINE

WOJC - Multi-Building Plumbing Leak Repair Project

Solicitation # WOJC – Multi-Building Plumbing Leak Repair Project

Education and Training Resources is seeking quotes for a subcontracting opportunity to perform multi-building plumbing leak repairs at the Westover Job Corps Center in Chicopee, Massachusetts. The scope of work includes replacing leaking shower P-trap drain pipes in Rooms 123 and 213, repairing a cracked drain pipe in the pipe chase of Room 216, and replacing approximately ten linear feet of leaking heat pipe in both the Administration Building and King Hall. All work must comply with the Massachusetts State Plumbing Code, International Plumbing Code, and applicable federal, state, and local regulations. Contractors are responsible for all cutting, patching, and debris removal, ensuring that all materials used are new and of commercial quality. Interested bidders must submit a detailed quote by October 30, 2026, including a comprehensive cost breakdown of labor and materials, a proposed service schedule, and a bid valid for at least 60 days. Required documentation includes a current SAM.gov UEI number, active registration, W-9, business licenses, Massachusetts plumbing credentials, and certificates of liability insurance. The project is subject to various Federal Acquisition Regulation clauses, including the Davis-Bacon Act and Service Contract Act for prevailing wages, and requires the submission of weekly certified payroll reports. Award selection is at the sole discretion of ETR and is not based solely on the lowest bid. Performance and payment bonds are required for projects exceeding 35,000 dollars, with specific requirements increasing for projects over 150,000 dollars.

Westover Job Corps Center

POSTED

about 2 hours ago

DEADLINE

MI 2026-14 Emergency Heating and Air Conditioning Services

Solicitation # MI 2026-14

Solicitation MI 2026-14 is a request for emergency heating, ventilation, and air conditioning (HVAC) services for the Miami Job Corps Center, a student residential training facility in Florida operated by Adams and Associates, Inc. for the U.S. Department of Labor. The period of performance runs from November 1, 2026, to October 31, 2027. The selected vendor will be responsible for emergency HVAC repairs, with bids requiring a detailed cost breakdown for non-emergency daytime labor (8:00 am to 4:30 pm) as well as emergency, weekend, and holiday rates. As a federally funded facility, the center is entitled to GSA pricing. Award selection is based on the most responsible bidder, with key evaluation factors including cost, Florida state business and employee licensure, insurance coverage, and relevant experience. Mandatory requirements include a valid Unique Entity ID (UEI) and active SAM.gov registration. Vendors must maintain Workers Compensation, Automobile Liability, and Comprehensive General Liability insurance of at least $1,000,000 per occurrence. The contract is subject to Service Contract Act regulations, specifically Wage Determination No. 2005-2248, and Executive Order 13658, which mandates a minimum wage of $13.65 per hour for covered workers through December 31, 2026. Bids must be submitted on company letterhead by October 23, 2026, and must include a W9, Vendor Questionnaire, Authority to Commit, and a statement that the bid is valid for 90 days. Payment terms are NET 30 days from the date of invoice, and invoices must reference the BPA number. Additionally, the contractor must adhere to strict center security protocols, including prohibited fraternization with students and mandatory security searches when entering or leaving the premises.

Miami Job Corps Center

POSTED

about 2 hours ago

DEADLINE

CBP6585 Bldg. 22 HVAC Replacement

Solicitation # CBP6585

Management & Training Corporation (MTC) is seeking bids for a fixed-price, single lump sum subcontracting opportunity to replace the HVAC system in Building 22 at the San Diego Job Corps Center in Imperial Beach, California. The project, categorized under NAICS 238220, has an estimated value between 0 and 25,000 dollars. The scope of work includes the removal and disposal of existing equipment and the installation of a new 5-ton condenser, furnace, 5-ton evaporator coil, condenser pad, gas flex, shut-off valve, pigtail, fused disconnect, electrical whip, and condensate drain. The contractor is responsible for providing all labor, materials, and refrigerant, and must deliver two sets of operation and maintenance manuals along with manufacturer and installer warranties. Bids are due by October 28, 2026, and must be submitted using the MTC Bid for Lump Sum Contract form. Required submission documents include a detailed cost breakout, proof of insurance, three comparable references, and a completed supplier self-certification packet. A physical site visit and signature on the attendance roster are mandatory prior to bid submission. For bids equal to or greater than 25,000 dollars, a bid bond of 20 percent is required, and the awarded contractor must provide performance and payment bonds equal to 100 percent of the contract price from a surety with at least an A- rating. The contract is subject to the Davis-Bacon Act, requiring compliance with prevailing wage rates and the submission of weekly certified payroll. Contractors must also adhere to OSHA safety standards and provide all necessary personal protective equipment. Payment applications must be submitted to the procurement department using AIA Document G702 or an equivalent form, accompanied by a schedule of values via AIA Document G703. Final acceptance of the work is contingent upon inspection and approval by the San Diego Job Corps Center Facilities and Maintenance Department.

San Diego Job Corps Center

POSTED

about 2 hours ago

DEADLINE

MJCC EXHAUST FANS BLD. 1429

Solicitation # mjcc-exhaust-fans-bld-1429

The Muhlenberg Job Corps Center, operated by Insights Training Group LLC, is soliciting fixed-price quotes from qualified HVAC and mechanical contractors to restore the exhaust fan and louver systems in Building 1429 located in Kentucky. The project scope involves inspecting, repairing, and replacing components for exhaust fans one through eight, specifically addressing failed louver actuators, blown fuses, shorted contactor coils, and missing motors, blades, or guards. Additionally, contractors must provide separate pricing for the system-wide replacement of thermostats, relays, and actuators, as well as any recommended repairs not included in the base bid. The contract will be awarded to the responsible offeror who is technically acceptable and provides the lowest price. Compliance requirements are stringent, requiring contractors to be registered and licensed in the State of Kentucky and verified through the SAM portal. All work must adhere to the Davis-Bacon Act and FAR 22.403-1 labor standards, with weekly certified payroll and signed statements of compliance required for invoice acceptance. Per the Miller Act, payment bonds are required for contracts exceeding 100,000 dollars, and all contractors must prove their ability to secure performance and payment bonding. Safety and environmental regulations, including OSHA and EPA standards, apply, with a requirement to maintain Material Safety Data Sheets and chemical application logs. Quotes must be submitted electronically to mjccpurchasing@insightsllc.net by October 30, 2026, at 5:00pm.

Muhlenberg Job Corps Center / Insights Training Group LLC

POSTED

about 2 hours ago

DEADLINE

Keystone Job Corps HVAC Units Maintenance

Solicitation # keystone-job-corps-hvac-units-maintenance

Keystone Job Corps

POSTED

about 2 hours ago

DEADLINE

Furnace Replacement

Solicitation # 26-17

Solicitation 26-17 is a request for bids from Management and Training Corporation for a fixed-price, lump sum contract to replace furnaces and thermostats in three staff houses at the Tongue Point Job Corps Center in Astoria, Oregon. The project involves Quarters F (3,786 sq/ft, propane), Quarters P (1,100 sq/ft, natural gas), and Quarters Q (2,280 sq/ft, propane). Required equipment must be approximately 80,000 btu, Carrier Comfort Series or equivalent, with a minimum 96 percent efficiency rating, a 10-year parts warranty, and a lifetime heat exchanger warranty. The estimated price range for the project is between 0 and 25,000 dollars. Bids are due by October 21, 2026, and will be awarded based on overall best value. Applicants must provide three references for comparable projects and submit a detailed cost breakout on company letterhead. The contract is set aside for small businesses and other socioeconomic categories. Awarded contractors must comply with the Davis-Bacon Act and Federal Contractor Minimum Wage requirements, providing weekly certified payroll. Performance and payment bonds are only required if the base bid is 25,000 dollars or greater. Final payment is contingent upon the submission of a Notice of Final Completion, a Certificate of Release of Liens, and two sets of operation and maintenance manuals.

Tongue Point Job Corps

POSTED

about 2 hours ago

DEADLINE

Centennial Dry Sprinkler System & Compressor Replacement Services

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

Management & Training Corporation (MTC), acting on behalf of the U.S. Department of Labor, 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 Men's Dormitory, Women's Dormitory, and Recreation Building, requiring a licensed fire sprinkler contractor to demolish and remove existing distribution piping and failing air compressors, and install new infrastructure to eliminate leaks and prevent equipment short-cycling. All work must adhere to NFPA 25 (2023 Edition) and other local, state, and national codes. The performance period is 30 consecutive business days following a written Notice to Proceed. Bids are due by December 1, 2026, and must include a detailed cost breakout, proof of insurance, and a mandatory physical site visit. For bids equal to or greater than $25,000, 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. Award decisions will be based on overall best value and bidder responsiveness. The contract is set aside for HUBZone, Woman-owned, and Service-Disabled Veteran-owned small businesses. Compliance requirements include adherence to Davis-Bacon prevailing wage rates for Idaho, submission of weekly certified payroll reports, and compliance with various FAR clauses regarding executive compensation reporting, anti-kickback procedures, and subcontractor disclosures for awards exceeding $45,000.

Management & Training Corporation/Centennial Job Corps Center

POSTED

about 2 hours ago

DEADLINE

in about 1 month

MJCC HVAC BLD. 1403-04 B HALL

Solicitation # mjcc-hvac-bld-1403-04-b-hall

Insights Training Group LLC, on behalf of the Muhlenberg Job Corps Center in Kentucky, is soliciting fixed-price quotes for an HVAC project at Building 1403-04 B Hall. The scope of work requires the contractor to provide all labor, materials, equipment, and supervision to install two 4-ton Trane 17 SEER split systems using R-454B refrigerant, two 95% AFUE high-efficiency gas furnaces, and matching indoor evaporator coils. Additional requirements include the installation of a Honeywell Pro 8000 programmable thermostat with a remote sensor, new refrigerant line sets, and condensate drain piping. The project must be completed within 45 days of award, with all work adhering to manufacturer specifications, local codes, and EPA regulations for refrigerant recovery. The contract will be awarded to the responsible offeror who is technically acceptable and provides the lowest price. To be considered, bidders must be registered and licensed in the State of Kentucky, verified through the SAM portal, and provide a minimum 90-day bid guarantee along with proof of ability to secure performance and payment bonding. Strict insurance requirements are in place, including a 5 million dollar umbrella liability policy. Compliance with the Davis-Bacon Act and FAR 22.403-1-CWRR is mandatory, requiring the submission of weekly certified payroll and a signed Statement of Compliance with every invoice. Quotes must be submitted electronically to mjccpurchasing@insightsllc.net by October 30, 2026.

Muhlenberg Job Corps Center / Insights Training Group LLC

POSTED

about 2 hours ago

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors.

Hydro Resources - Mid Continent, Inc.

POSTED

about 2 hours ago

DEADLINE

Roswell JCC – Male Dormitory Bldg. Water Source Heat Pump Replacement (20 units)

Solicitation # roswell-jcc-male-dormitory-bldg-water-source-heat-pump-replacement-20-units

The Career Systems Development Corporation is soliciting proposals for the replacement of twenty failed water source heat pumps at the Roswell JCC Male Dormitory Building in New Mexico. The scope of work includes the removal and off-site disposal of the damaged units and the installation of twenty new Bosch 1-ton units or equivalents. The installation must encompass all necessary ducting, electrical, gas, thermostat wiring, flexible hoses, and pressure valves. A critical safety requirement involves installing smoke dampers with fusible links in all vents leading into the plenum, ensuring all materials used in the plenum are plenum rated. All work must adhere to NFPA 101, NFPA 70, and applicable plumbing, mechanical, and building codes. This solicitation is set aside for small businesses and various SBA-certified categories. The project is subject to the Davis Bacon Act under Wage Determination NM20260014, Revision 1, requiring the submission and approval of weekly certified payroll reports prior to invoice payment. Proposals exceeding 100,000 dollars require payment and performance bonding for 100 percent of the contract value. Submissions must include a safe work process, detailed costs for labor and materials, equipment cut sheets, warranty information, and proof of licensure and insurance. Work is to be coordinated through the Facilities Department and may be scheduled Monday through Friday from 7:00am to 4:00pm.

Career Systems Development Corporation

POSTED

about 2 hours ago

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

about 2 hours ago

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County. Identified by Project Number 13891 and Event ID 0000040533, this solicitation focuses on site compliance and infrastructure enhancements under NAICS code 237990. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

about 2 hours ago

DEADLINE

WOJC – Buried Domestic Hot Water (DHW) Pipe Repair

Solicitation # wojc-buried-domestic-hot-water-dhw-pipe-repair-0

The Westover Job Corps Center, managed by Education and Training Resources (ETR), is seeking quotes for a subcontracting opportunity to repair buried domestic hot water piping at two locations: behind Singletary Hall and on the east side of Harris Hall in Chicopee, Massachusetts. The scope of work includes excavating trenches approximately 15 linear feet long and 8 feet deep, removing and repairing up to 10 linear feet of damaged piping up to 4 inches in diameter, and installing insulation on new piping. The project requires a one-year equipment and workmanship warranty, and final acceptance is contingent upon a signed punch list and proof of compliance with all applicable city, state, and federal construction codes, including OSHA, NFPA 101, and the National Electrical Code. Eligible bidders must be registered in SAM.gov with a Unique Entity ID and provide a W-9, business licenses, and certificates of insurance. The opportunity is open to various small business set-asides, including VOSB, SDVOSB, WOSB, and HUBZone certifications. Evaluation is based on a fee-for-service bid sheet, technical qualifications, and a proposed service schedule, with ETR serving as the sole judge for the award. Compliance with federal labor laws, including the Davis-Bacon Act and Service Contract Act, is mandatory, requiring the submission of weekly certified payroll reports. Bids must be submitted by November 6, 2026, and all items must be quoted F.O.B. destination.

Westover Job Corps Center

POSTED

about 2 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 the cafeteria hot water heater at the Sierra Nevada Job Corps Center in Reno, Nevada. The project involves the removal and legal disposal of the existing unit and the installation of a new 125-gallon natural gas-fired water heater, including all necessary water, gas, electrical, and venting connections. To minimize operational disruptions, all utility-interrupting work must be performed during approved off-hours, specifically weekends or evenings after 8:00 PM. The estimated contract value ranges from $25,000 to $100,000, with awards based on overall best value, considering price, quality, delivery schedule, and relevant experience. Bids are due by October 27, 2026, and must be submitted using the MTC Bid for Lump Sum Contract form along with a detailed bid breakout. For bids equal to or exceeding $25,000, a bid bond of 20% is required, and the awarded contractor must provide performance and payment bonds from an A-rated surety company. Compliance requirements include adhering to Wage Determination NV20250040 for prevailing wages, submitting an SF 1413 Statement and Acknowledgement form, and obtaining a Unique Entity ID (UEI). Contractors must also provide O&M manuals and warranty documentation upon completion. Payment will be processed via pay applications using AIA G702 and G703 forms, with final payment issued within 30 days of approved closeout.

Sierra Nevada Job Corps Center

POSTED

about 2 hours ago

DEADLINE