What dst does

DST LLC is a privately held, founder-owned defense services company headquartered in Hagerstown, Maryland, that provides sensor testing, training, engineering, and aircraft modification services to the U.S. Department of Defense, federal law enforcement, and other federal government agencies. Founded around 1994 by Dana — a former Radar Systems Engineer for the F-15 Eagle and B-2 Bomber — DST has operated continuously for more than 30 years, accumulating 40+ special-mission aircraft integrations and an average of 2,600+ special operations flight hours per year.

The company's core asset base is a fleet of more than ten fixed-wing aircraft modified for sensor testing and maintained to FAA and Department of Defense standards, with modifications designed to deliver near "plug and play" sensor integration. Complementing the fleet are four integrated service lines: Flight Testing (operating the modified aircraft fleet for customer sensor trials), Training (SME-led classroom, flight, and scenario-based instruction), Engineering Services (FAA field approval and STC projects plus sustainment engineering), and Aircraft Modification (in-house avionics upgrades, custom cable harness fabrication, video and power distribution, and structural modifications for customer-owned aircraft). All modifications are certified to keep aircraft in Normal category via STC or Field Approval methods.

DST generates revenue through professional services contracts and modification/hardware engagements with U.S. government buyers, using a direct, enterprise field-sales motion. The company relies on close working relationships with the FAA and NCRCC Special Operations to obtain rapid flight authorization in restricted airspace. Pricing is not publicly disclosed and is presumed to be quote-based per government procurement norms. DST has no disclosed external funding, operates as a bootstrapped LLC, and has not announced M&A, partnerships outside its core government/FAA ecosystem, or expansion into new geographies or commercial verticals.

Name

dst

Legal name

DST LLC

Website

https://dstllc.net

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

51–100 employees

Short description

DST LLC is a founder-owned Hagerstown, Maryland defense services company that provides sensor flight testing, SME-led training, FAA-certified engineering, and aircraft modification services to the U.S. Department of Defense, federal law enforcement, and federal agencies using its own fleet of 10+ modified fixed-wing aircraft.

Ownership category

akta.pro rank

Product category

Aerospace Defense Services

NAICS

Flight Training (611512), Electronic and Precision Equipment Repair and Maintenance (811210)

SIC

Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Aircraft & Parts (3720)

akta.pro primary industry

Special-Mission Fixed-Wing Aircraft Manufacturing (ISR, AEW&C, Patrol) (IMABAAAH)

akta.pro secondary industries

NDT/Inspection & Testing Services (Aviation) (IMABALAJ), Military Aircraft Platforms (Fixed-Wing) (IMABAMAA)

Keywords

• Flight testing services
• Aircraft modification services
• Defense ISR services
• Aviation engineering services
• Special mission training

Headquarters

HQ city

Hagerstown

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Supply Chain

Revenue model

1. Flight Testing Services: Provides flight testing operations using DST's own fleet of modified fixed wing aircraft for customer sensor testing needs.
2. Training Services: Specialized training with Subject Matter Experts covering classroom activities, flight operations, and scenario-based real world training experience.
3. Engineering Services: Mechanical, structural, and systems engineering solutions supporting FAA field approval and STC projects, sustainment engineering, and troubleshooting.
4. Aircraft Modification: Modification and systems integration services for customer-owned aircraft including avionics upgrades, cable harness fabrication, video/power distribution, and structure modifications.
5. Custom Systems Integration: User-friendly, modular designs for mission operators and aircraft maintainers, including workstation and equipment rack fabrication.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

DST provides flight testing, specialized training, engineering, and aircraft modification services for the U.S. Department of Defense, Law Enforcement, and Federal Government Agencies. Operating a fleet of 10+ modified fixed wing aircraft, the company delivers end-to-end sensor testing, training with Subject Matter Experts, FAA-compliant engineering (STC and Field Approval), and in-house avionics and structural modifications for customer-owned aircraft.

Product overview

DST provides airborne and ground-based platforms for end-to-end sensor testing, training, research and development for the U.S. Department of Defense, Law Enforcement, and Federal Government Agencies. The company operates a fleet of more than ten specialized fixed wing aircraft modified for sensor testing, with over 30 years of experience, 40+ special mission aircraft integrations completed, and 2600+ average special operations flight hours per year. The core portfolio consists of four integrated service lines: Flight Testing (operates and provides customer access to the modified aircraft fleet), Training (classroom and flight-based instruction with Subject Matter Experts), Engineering Services (FAA-compliant repair and alteration engineering), and Aircraft Modification (custom modification and systems integration for customer-owned aircraft). These services are designed to work together, with the company's own fleet serving as a testbed for capabilities later offered to customers.

Differentiator

Problem solved

Functional benefit

Products and services

• Flight Testing

Quantifiable outcome

• 2600+ average special operations flight hours per year
• +3 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• FAA (Federal Aviation Administration)coreStrategic or Co-development PartnerDST works closely with FAA partners to ensure all aircraft modifications keep aircraft in Normal category, either through Supplemental Type Certificate (STC) or Field Approval methods. Supports FAA field approval and STC projects.
• NCRCC Special OperationscoreStrategic or Co-development PartnerDST works closely with NCRCC Special Operations personnel on a daily basis, allowing DST to rapidly receive flight authorization and approvals for otherwise restricted areas and flight profiles.

Scale indicators4 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Science Applications International Corporation (SAIC): Already captured above as SAIC; retained placeholder removed — listed once to avoid duplication.
• L3Harris Technologies: L3Harris is a major defense prime providing avionics, ISR systems, and special-mission aircraft integration across a broad portfolio — overlapping with DST's modification, sensor integration, and avionics capabilities but at much larger scale.
• Leidos: Leidos is a large federal services and ISR prime contractor serving the DoD and intelligence community — overlapping with DST's ISR, engineering, and special-mission work but at significantly greater scale and scope.
• CACI International: CACI provides ISR, special operations, and engineering services across DoD and federal civilian customers — comparable to DST in mission focus but operating as a much larger prime with broad portfolio.
• SAIC: SAIC delivers systems engineering, ISR, and aviation platform integration services for DoD and federal customers — comparable to DST's engineering and integration work but at significantly larger scale.

Direct peers

• MAG Aerospace: MAG Aerospace provides special-mission ISR aircraft operations, sensor integration, and training for government customers — directly comparable to DST's flight-testing and modification services for the DoD and federal agencies.
• Sierra Nevada Corporation (SNC): SNC delivers special-mission aircraft modifications, ISR solutions, and aviation systems integration to defense and intelligence customers, closely mirroring DST's aircraft modification and sensor integration core.
• Dynamic Aviation: Dynamic Aviation operates a large fleet of modified aircraft supporting ISR, wildfire, and atmospheric research missions for U.S. government customers — directly comparable as a fleet-based special-mission aircraft services peer.
• AIRTEC: AIRTEC provides special-mission aircraft, ISR sensor integration, and aviation services for defense and government customers — closely aligned with DST's flight testing and sensor integration business.
• Metrea: Metrea provides special-mission ISR, airborne effects, and aerial refueling services for the DoD using a fleet of modified aircraft — comparable to DST in operating special-mission aircraft for U.S. government customers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about dst