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, October 28 at 2:00 PM ET

Register Free →

C.J. SETO SUPPORT SERVICES, LLC

UEI: ZUMGMZ3NCJJ8CAGE: 1NAP7

C.J. SETO SUPPORT SERVICES, LLC is a federal contractor, registered under UEI ZUMGMZ3NCJJ8 and CAGE code 1NAP7. It has been awarded $126,998,056 in federal contracts. Primary work spans Engineering Services, Environmental Consulting Services, and Other Computer Related Services. Top awarding agencies include Department Of Defense, Department Of Veterans Affairs, and National Aeronautics And Space Administration.

Contact Information

Registration and classification details

Registration

UEI Code

ZUMGMZ3NCJJ8

CAGE Code

1NAP7

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit OrganizationLimited Liability CompanyService-Disabled Veteran-Owned BusinessAsian-Pacific American OwnedVeteran-Owned BusinessMinority-Owned BusinessDOT Certified DBE

NAICS Codes

484210Used Household and Office Goods Moving
493110General Warehousing and Storage
513210Software Publishers
518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541330Engineering Services(Primary)
+28 more

Federal Contracting Overview

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

AI Capability Profile

C.J. SETO SUPPORT SERVICES, LLC specializes in environmental consulting, testing laboratory services, and engineering support for federal agencies, with a strong focus on environmental sampling, industrial hygiene, and analytical data management. The contractor delivers field-based environmental mon...

C.J. SETO SUPPORT SERVICES, LLC specializes in environmental consulting, testing laboratory services, and engineering support for federal agencies, with a strong focus on environmental sampling, industrial hygiene, and analytical data management. The contractor delivers field-based environmental monitoring, including water and soil sampling, hazardous material characterization, and laboratory analysis for military and civilian facilities. Their technical expertise spans compliance-driven environmental assessments, chemical safety evaluations, and database-driven data management systems for regulatory reporting. A key differentiator is their hands-on execution of complex sampling protocols at sensitive defense sites, coupled with precise documentation and analytical support for environmental compliance under EPA, OSHA, and DoD standards. The company maintains consistent engagement with the Department of Defense, providing critical environmental and laboratory services at naval and Army installations, including Crane, Indiana. They also support the U.S. Chemical Safety Board with industrial hygiene services and compliance assessments, while delivering testing and sampling solutions for the Department of Justice’s ATF and other federal entities. Their relationship pattern reflects deep operational integration with agencies requiring on-site environmental data collection and regulatory documentation. Primary industry focus lies in environmental consulting (NAICS 541620) and testing laboratories (NAICS 541380), where they translate field data into actionable compliance reports and technical databases. Their vertical specialization includes defense infrastructure environmental stewardship, chemical safety response support, and laboratory accreditation adherence. They are positioned as a responsive, field-capable provider for mission-critical environmental and safety testing needs. C.J. SETO SUPPORT SERVICES, LLC is a Service-Disabled Veteran-Owned Small Business based in Ventura, California, operating under a 2L entity structure. Their SDVOSB certification enhances their eligibility for targeted federal set-asides, and their geographic presence supports rapid deployment to federal facilities across the continental U.S. The company’s market positioning is defined by technical precision, regulatory familiarity, and a commitment to mission-critical environmental and safety services.

Key Performance Metrics

Awards Count

303

All time

Active

6

Currently performing

Completed

296

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

Compete with C.J. SETO SUPPORT SERVICES, LLC

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

Award history, agency mix, and NAICS coverage for C.J. SETO SUPPORT SERVICES, LLC

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 750+ contractors already using CLEATUS

Open opportunities in C.J. SETO SUPPORT SERVICES, LLC's top NAICS codes and agencies