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NEILSON ASSOCIATES INC

UEI: G48NYU17TXX7CAGE: 1BPZ5

NEILSON ASSOCIATES INC is a federal contractor, registered under UEI G48NYU17TXX7 and CAGE code 1BPZ5. It has been awarded $2,731,124 in federal contracts. Primary work spans Remediation Services, Environmental Consulting Services, and Building Inspection Services. Top awarding agencies include General Services Administration, Department Of The Treasury, and Department Of Labor.

Contact Information

Registration and classification details

Registration

UEI Code

G48NYU17TXX7

CAGE Code

1BPZ5

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationWomen-Owned Small BusinessWoman-Owned Business

NAICS Codes

541350Building Inspection Services
541620Environmental Consulting Services(Primary)
541690Other Scientific and Technical Consulting Services
561210Facilities Support Services
562910Remediation Services

Federal Contracting Overview

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

AI Capability Profile

Neilson Associates Inc. specializes in environmental remediation services, with demonstrated expertise in the cleaning and decontamination of industrial ductwork and production equipment. Their technical capabilities center on precision cleaning protocols for complex mechanical systems, ensuring com...

Neilson Associates Inc. specializes in environmental remediation services, with demonstrated expertise in the cleaning and decontamination of industrial ductwork and production equipment. Their technical capabilities center on precision cleaning protocols for complex mechanical systems, ensuring compliance with environmental and operational safety standards. The company applies specialized methodologies to remove hazardous residues, particulates, and contaminants from critical infrastructure, supporting mission-critical operations in regulated environments. Their approach integrates industry best practices for containment, waste handling, and post-cleaning verification, positioning them as a niche provider of high-integrity remediation solutions for sensitive federal facilities. The contractor has delivered services to the Department of the Treasury, focusing on the maintenance and restoration of facility infrastructure where operational hygiene and regulatory compliance are paramount. This relationship suggests a track record of meeting stringent federal standards for cleanliness, safety, and documentation in government-owned industrial spaces. Their work implies familiarity with federal environmental regulations and facility-specific protocols governing equipment integrity and air quality. Neilson Associates operates primarily under NAICS 562910, which encompasses remediation services for contaminated sites and industrial systems. In practice, this means they address physical contamination in mechanical and HVAC systems, rather than soil or groundwater remediation. Their market positioning is that of a targeted service provider for federal agencies requiring specialized cleaning of production and ventilation infrastructure, distinguishing them from broader environmental contractors. As a Women-Owned Small Business and Woman-Owned Business certified firm based in Chadds Ford, Pennsylvania, Neilson Associates leverages its small business status to compete for set-aside contracts while maintaining a focused, agile operational model. The company’s geographic presence supports federal operations along the Mid-Atlantic corridor, and its certifications enhance its eligibility for federal procurement programs designed to promote diversity in government contracting.

Key Performance Metrics

Awards Count

77

All time

Active

0

Currently performing

Completed

77

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 Over Time
Awards by Place of Performance

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NAICS: 236220
New
Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements
Solicitation # construction-recharge-master-plan-update-basin-improvements-project-montclair-basin-improvements-2
The Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements is a solicitation issued by RT Contractor Corp for a project under the Inland Empire Utilities Agency in California. This opportunity, categorized under NAICS code 236220, specifically calls for bids from Disadvantaged Business Enterprise (DBE) subcontractors. The solicitation was posted on October 20, 2026, with a response deadline of November 4, 2026. The project area for subcontracting opportunities is identified as Riverside or Los Angeles. Compliance with strict Disadvantaged Business Enterprise requirements is mandatory to secure project financing, and failure to meet these standards will result in a bid being deemed non-responsive. Bidders must demonstrate Good Faith Efforts (GFE), including proof of posting solicitations in an online publication for 30 consecutive calendar days and in a print newspaper for at least one day prior to the bid opening. Additionally, bidders must provide proof of utilizing the Small Business Administration and the Minority Business Development Agency within their bid package. While outreach documentation may be submitted up to three business days after the bid closing, the publicity and agency assistance proofs must be included at the time of submission.
RT CONTRACTOR CORP

POSTED

about 16 hours ago

DEADLINE

in 14 days
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NAICS: 236220
New
P084 NEXT GENERATION TORPEDO INTEGRATION LAB & P1016 Consolidated RDT&E Systems Facility – Newport, RI
Solicitation # p084-next-generation-torpedo-integration-lab-p1016-consolidated-rdte-systems-facility-newport-ri
J&J Contractors, Inc. is soliciting bids for the construction of the Next Generation Torpedo Integration Lab and the P1016 Consolidated RDT&E Systems Facility in Newport, Rhode Island. The primary project involves a 12,920 square foot multi-story steel frame laboratory and office facility featuring a shallow foundation, metal standing seam roof, and masonry and metal panel exterior walls. This scope encompasses comprehensive site preparations, including landscaping, parking, exterior lighting, telecommunications, and the installation of underground stormwater retention and utility systems. An additional option for the P1016 facility includes a 17,978 square foot laboratory with similar structural specifications and the demolition of an existing 548 square meter engineering facility. The solicitation is open to various small business designations, including SDB, WOSB, HUBZone, and VOSB. Bidders must adhere to Davis Bacon Wage Rates, and the project is exempt from sales tax. Pricing is requested across a wide array of trades, including demolition, abatement, structural steel, mechanical, electrical, plumbing, and fire protection, among others. Interested parties must contact the primary point of contact to receive the formal bid invitation and documents via Building Connected before the response deadline of November 30, 2026.
J&J CONTRACTORS, INC.

POSTED

about 16 hours ago

DEADLINE

in about 1 month
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NAICS: 562910
New
Theatre Mold Remediation Scope of Work
Solicitation # AT25-0006
Solicitation AT25-0006 is a subcontracting opportunity with Adams and Associates, Inc. for comprehensive mold remediation at Theatre Building 1086 of the Atterbury Job Corps Center in Edinburgh, Indiana. The project was prompted by a sprinkler system failure and requires the remediation of mold throughout the entire building, including the cleaning or replacement of damaged theater seating cushions. All work must adhere to ANSI/IICRC S520 standards, EPA guidelines, OSHA regulations, and the Micro Air Inc. Mold Testing report dated April 11, 2024. Key technical requirements include achieving interior humidity levels of 50 percent or less and the provision of a Certified Industrial Hygienist to conduct daily site visits and a final clearance walkthrough. This is a single lump sum contract set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certifications. Award will be based on best value, with evaluation weights assigned to price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Interested offerors must attend a mandatory site visit on October 27, 2026, and submit typed proposals on company letterhead by November 9, 2026. Required submission documents include a detailed cost breakdown, a timeline for substantial completion, proof of an Indiana Contractor's License, Davis Bacon Act wage rate certification, and specific automobile and workers compensation insurance coverage. Payment terms are Net 30, and work must commence within 14 days of the Notice to Proceed.
Atterbury Job Corps Center

POSTED

about 16 hours ago

DEADLINE

in 19 days
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NAICS: 541350
New
MI 2026-07 Quarterly Building Inspection Services
Solicitation # MI 2026-07
Adams and Associates, Inc., operating on behalf of the U.S. Department of Labor, is soliciting bids for quarterly building inspection services at the Miami Job Corps Center in Florida. The contract covers the inspection of eight buildings totaling approximately 132,230 gross square feet, including dormitories, food service facilities, wellness centers, and educational and administrative areas. The period of performance runs from November 1, 2026, to October 31, 2027, with inspections due by the end of each calendar quarter. Detailed reports and corrective actions must be submitted within seven days of each inspection using specific Job Corps forms. Eligible bidders must be registered in SAM.gov with a valid Unique Entity ID and hold all necessary professional licenses to operate in the State of Florida. Required insurance includes Workers Compensation, Comprehensive General Liability of $1,000,000 per occurrence, and specific Automobile Liability limits. The agreement is subject to Service Contract Act regulations under Wage Determination No. 2005-2248. Bids must be submitted on company letterhead by October 23, 2026, and include a cost breakdown per quarterly inspection, a W9, a vendor questionnaire, and a statement that the bid remains valid for 90 days. Award selection is based on the most responsible bidder, though the lowest bid does not guarantee selection.
Miami Job Corps Center

POSTED

about 16 hours ago

DEADLINE

in 1 day
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NAICS: 236220
New
CITY OF GREENFIELD WASTEWATER TREATMENT PLANT UPGRADE PROJECT
Solicitation # city-greenfield-wastewater-treatment-plant-upgrade-project
The City of Greenfield Wastewater Treatment Plant Upgrade Project involves the construction of an upgraded 2.0 million gallons per day wastewater treatment plant located at 41901 Walnut Avenue in Greenfield, California. The project, managed by C. Overaa & Co., has a total duration of 915 calendar days and is divided into four distinct phases: site preparation including soil stabilization and facility relocation; construction of a packaged Membrane Bioreactor treatment plant, headworks, UV disinfection, and SCADA systems; decommissioning and demolition of existing facilities; and the completion of finish facilities including the Walnut Avenue extension for water and sewer services. A critical requirement of the project is maintaining the existing plant in service during the first two phases while ensuring compliance with General Order/NOA standards. This solicitation is open to small businesses, including certified veteran, women, and disadvantaged business enterprises, with a specific local hiring goal requiring 50 percent of the construction workforce to be residents of Monterey, San Benito, or Santa Cruz counties. Subcontractors must utilize the Textura electronic invoicing system and are responsible for associated service fees. Bids are due by November 10, 2026, following a mandatory pre-bid meeting held on October 5, 2026. Award acceptance is conditioned upon the subcontractor's full agreement to Overaa standard terms, including potential 100 percent performance and labor bonds and specific workers compensation insurance waiver of subrogation endorsements.
C. Overaa & Co.

POSTED

about 16 hours ago

DEADLINE

in 20 days
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NAICS: 236220
New
P1102 Weapons Magazine and Ordnance Operations Facility, Naval Submarine Base New London, Groton, Connecticut
Solicitation # p1102-weapons-magazine-ordnance-operations-facility-naval-submarine-base-new-london-groton
J & J Contractors, Inc. is soliciting bids for the P1102 Weapons Magazine and Ordnance Operations Facility project at the Naval Submarine Base New London in Groton, Connecticut. This comprehensive construction project has a duration of 1828 calendar days and involves the creation of six Containerized Long Weapons Storage units, two Box G magazines, and one Box H earth-covered high-explosive magazine. The scope includes the construction of an Ordnance Operations building, a Truck Inspection facility, and a Sentry building, alongside the demolition of 18 existing magazines and two other buildings. Technical requirements encompass a wide range of trades, including demolition, abatement, structural steel, electrical, plumbing, and mechanical work. Key site features include rigid inclusions, load transfer mats, grounding and lightning protection, intrusion detection systems, and extensive site preparation involving rock excavation and wetland mitigation. The project also requires the installation of primary and secondary electrical distribution, telecommunications infrastructure, access roads, and landscaping. This opportunity is set aside for various small business categories, and interested parties must contact Rahul Maheshwari to receive bid documents before the October 31, 2026 deadline.
J & J Contractors, Inc

POSTED

about 16 hours ago

DEADLINE

in 10 days
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NAICS: 562910
New
Maui JCC Mold Remediation and Removal of Water-Damaged Materials
Solicitation # maui-jcc-mold-remediation-removal-water-damaged-materials
Management & Training Corporation is soliciting bids for a fixed-price, single lump sum contract for mold remediation and removal of water-damaged materials at the Maui Job Corps Center in Makawao, Hawaii. The project focuses on Building 11, specifically the cafeteria, food service areas, restrooms, and adjoining spaces, following significant water intrusion from a severe windstorm. The scope of work includes establishing containment barriers with HEPA-filtered negative air pressure, removing mold-affected porous materials such as drywall and insulation, cleaning nonporous surfaces, and evaluating the adjoining culinary classroom. The estimated contract value ranges from $25,000 to $100,000, with awards based on overall best value. Bidders must complete a mandatory physical site visit and submit a detailed itemized proposal, including a bid breakout and three comparable references, by October 23, 2026. For bids of $25,000 or more, a bid bond guarantee of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from a surety with at least an A- rating. The contract is set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certifications. Compliance with Hawaii statewide wage determinations and federal safety standards is mandatory, and a 10% retainage will be withheld from payments until substantial completion and final acceptance.
Management & Training Corporation/Hawaii/Maui Job Corps Center

POSTED

about 16 hours ago

DEADLINE

in 3 days
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