General information for Neilson Associates Inc
Physical address
10 Nine Gates Road, Ste 119, Chadds Ford, Pa, 19317
Mailing address
4023 Kennett Pike, Suite 119, Wilmington, DE, 19807
Website
neilsonassociates.com
Points of contact for Neilson Associates Inc
SAM.gov Points of Contact
Brenda
Neilson Hansen
Government Business POC
Alternate Government Business POC
Electronic Business POC
Alternate Electronic Business POC
President
4023 Kennett Pike, Suite 119, Wilmington, DE, 19807
Additional contact details may be available
NAICS codes for Neilson Associates Inc
| Code | Description | Small Business |
|---|---|---|
| 541330 PRIMARY | Engineering Services | No |
|
541620
PRIMARY
|
Environmental Consulting Services
|
Yes
|
| 541350 | Building Inspection Services | Yes |
| 541512 | Computer Systems Design Services | Yes |
|
541690
|
Other Scientific and Technical Consulting Services
|
Yes
|
|
561210
|
Facilities Support Services
|
Yes
|
|
562910
|
Remediation Services
|
No
|
|
922160
|
Fire Protection
|
No
|
|
923120
|
Administration of Public Health Programs
|
No
|
|
924110
|
Administration of Air and Water Resource and Solid Waste Management Programs
|
No
|
|
926150
|
Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors
|
No
|
PSC codes for Neilson Associates Inc
| Code | Description |
|---|---|
| 7F20 | IT AND TELECOM - IT MANAGEMENT TOOLS/PRODUCTS (HARDWARE AND PERPETUAL LICENSE SOFTWARE) |
| F101 | ENVIRONMENTAL SYSTEMS PROTECTION- AIR QUALITY SUPPORT |
| F103 | ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT |
|
F107
|
ENVIRONMENTAL SYSTEMS PROTECTION- TOXIC AND HAZARDOUS SUBSTANCE ANALYSIS
|
|
F108
|
ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION
|
|
F109
|
ENVIRONMENTAL SYSTEMS PROTECTION- LEAKING UNDERGROUND STORAGE TANK SUPPORT
|
|
F110
|
ENVIRONMENTAL SYSTEMS PROTECTION- DEVELOPMENT OF ENVIRONMENTAL IMPACT STATEMENTS AND ASSESSMENTS, TECHNICAL ANALYSIS AND ENVIRONMENTAL AUDITS
|
|
F111
|
ENVIRONMENTAL SYSTEMS PROTECTION- MULTIPLE POLLUTANT SUPPORT
|
|
F114
|
ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL LICENSING AND PERMITTING
|
|
F115
|
ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL CONSULTING AND LEGAL SUPPORT
|
|
R428
|
SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS
|
|
R429
|
SUPPORT- PROFESSIONAL: EMERGENCY RESPONSE, DISASTER PLANNING, AND PREPAREDNESS SUPPORT
|
Update history
1 change(s) tracked
Jul 11, 2026
NAICS 541620 became the primary code
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