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MISSION SUPPORT & TEST SERVICES LLC

MISSION SUPPORT & TEST SERVICES LLC is a federal contractor, registered under UEI YSYZHPCG4XB3 and CAGE code 7HSD0. It has been awarded $7,712,319,500 in federal contracts. Primary work spans Facilities Support Services. Top awarding agencies include Department Of Energy and Other agencies (4 agencies, <0.5% each).

Contact Information

Registration and classification details

Registration

UEI Code

YSYZHPCG4XB3

CAGE Code

7HSD0

Entity Structure

Partnership or Limited Liability Partnership

Established

N/A

Business Classifications

For Profit OrganizationLimited Liability Company

NAICS Codes

541330Engineering Services
561210Facilities Support Services(Primary)
811198All Other Automotive Repair and Maintenance

Federal Contracting Overview

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

AI Capability Profile

MISSION SUPPORT & TEST SERVICES LLC specializes in mission-critical automotive maintenance and large-scale facilities operations for federal agencies, with a demonstrated focus on sustaining high-availability vehicle fleets and supporting national security infrastructure. The contractor delivers com...

MISSION SUPPORT & TEST SERVICES LLC specializes in mission-critical automotive maintenance and large-scale facilities operations for federal agencies, with a demonstrated focus on sustaining high-availability vehicle fleets and supporting national security infrastructure. The contractor delivers comprehensive automotive mechanical repair services, including diagnostics, preventive maintenance, component replacement, and fleet readiness support, ensuring operational continuity for government vehicle assets. Their experience extends to complex facilities support, including the management and operation of high-security sites, as evidenced by their longstanding role supporting the Department of Energy’s Nevada National Security Site. This work involves coordinating technical logistics, safety compliance, and infrastructure sustainment in environments requiring stringent security and regulatory adherence. Technical expertise includes adherence to federal maintenance standards, hazardous material handling, and integrated facility management systems. The contractor maintains a consistent relationship with the General Services Administration, primarily delivering automotive repair services to support federal fleet operations across civilian and law enforcement agencies. Their work with the Department of Energy reflects deep engagement in mission-essential facilities management, particularly within nuclear security infrastructure, where operational precision and regulatory compliance are paramount. The primary NAICS focus on 811111 (General Automotive Repair) and 561210 (Facilities Support Services) indicates a niche positioning in government fleet sustainment and critical infrastructure operations. The contractor serves a specialized segment of the federal market requiring technical proficiency in both mechanical systems and secure facility management, distinguishing itself through direct support of national security missions. Based in North Las Vegas, NV, the company operates as a small business under entity structure 2K. While no formal certifications are listed, its track record of performance on high-stakes federal contracts demonstrates proven reliability in regulated, mission-critical environments. The organization’s geographic proximity to key federal test and operational sites enhances its ability to respond rapidly to urgent service requirements.

Key Performance Metrics

Awards Count

29

All time

Active

2

Currently performing

Completed

27

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 Energy$7.7B100%
Other agencies (4 agencies, <0.5% each)$3.7M0%
Awards by NAICS
Export
Awards by Agency Over Time
Awards by Place of Performance

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