Clark Testing
Clark Testing is a private US defense and space company founded in 1992, headquartered in Jefferson City. It provides product qualification testing and design solutions, employing 101-250 people and led by CEO Paul Heffernan.
- Company typePrivate
- Founded1992
- HeadquartersJefferson City, United States
- Headcount101–250
- GTM typeB2B
- OfferingServices
What Clark Testing does
Clark Testing is a privately held US defense and space company founded in 1992 and headquartered in Jefferson City, United States. The firm provides product qualification testing and design solutions to clients in the defense and aerospace sectors — a functional description consistent with an independent testing laboratory that validates components, subsystems, or full systems against performance, environmental, durability, and reliability requirements imposed by military and aerospace standards. Specific service lines (e.g., environmental stress screening, EMI/EMC, vibration, shock, qualification to MIL-STD or DO-160) are not disclosed in the available source material.
The company's core offering is service-based rather than software-based: revenue is generated through fee-for-service testing engagements and design support work performed in dedicated facilities, with margins and pricing determined by test complexity, duration, and required accreditations. With 101-250 employees and more than three decades of continuous operation, Clark Testing occupies a mid-sized specialist position in a niche market where certification standing, customer relationships, and physical test infrastructure determine competitive position. No public revenue figures, pricing model, customer roster, or channel strategy are disclosed.
Governance and strategic information is similarly limited. The company is led by CEO Paul Heffernan; no other management team members, board composition, investors, or parent-company relationships are disclosed. The company's primary website returned only a verification/loading page at the time of research, which materially constrains the depth of this profile — readers should treat the absence of disclosed product, customer, and financial detail as a data gap rather than as evidence of smallness or inactivity.
Clark Testing firmographics
Firmographics- Name
- Clark Testing
- Website
- https://clarktesting.com
- Company type
- Private
- Founded year
- 1992
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Clark Testing is a private US defense and space company founded in 1992, headquartered in Jefferson City. It provides product qualification testing and design solutions, employing 101-250 people and led by CEO Paul Heffernan.
- Ownership category
- akta.pro rank
Clark Testing industry classification
Industry- Product category
- Product Qualification Testing Services
- NAICS
- Testing Laboratories and Services (54138), Testing Laboratories and Services (541380)
- SIC
- Services-Testing Laboratories (8734)
- akta.pro primary industry
- Military Aerospace Ground Support Equipment (GSE) & Test Systems (IMABAMAL)
- akta.pro secondary industries
- Avionics Test, Simulation & Calibration Equipment (IMABAFAN), Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)
Keywords
Where Clark Testing is headquartered
LocationHeadquarters
- HQ city
- Jefferson City
- HQ country
- United States
- HQ region
- North America
Markets served
Clark Testing business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Clark Testing product offering
Product offeringCore offering
Clark Testing provides product qualification testing and design solutions for the defense and space industry. The company validates and qualifies products intended for demanding defense and aerospace applications, offering testing services and design engineering support to manufacturers and suppliers in these sectors.
Differentiator
Problem solved
Functional benefit
Products and services
- Product Qualification Testing
Companies that use Clark Testing
Customer profileIdeal customer profiles1 record
Clark Testing technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Clark Testing partnerships and signals
Strategic signalRecent moves1 record
Clark Testing competitors and assessment
Company assessmentEmerging players
- Qualtest: Qualtest Group is an independent testing laboratory providing environmental, EMC, and product qualification services for aerospace, defense, and industrial customers. Comparable to Clark Testing as a niche, mid-sized services lab with similar test capabilities and end-market focus.
Broad incumbents
- SGS: SGS is one of the world's largest testing, inspection, and certification companies with aerospace and industrial product qualification services. It is comparable as a broad incumbent in the same end markets as Clark Testing, though broader in scope and global.
- Intertek: Intertek is a global testing, inspection, and certification (TIC) powerhouse serving aerospace, defense, and industrial customers with product qualification and certification services. Comparable to Clark Testing as a broad incumbent offering similar qualification services, but at much greater scale.
- Curtiss-Wright Defense Solutions: Curtiss-Wright provides defense electronics, test & measurement, and qualification systems, including aerospace test equipment and instrumentation. Comparable to Clark Testing through its defense-side test capabilities and avionics/sensor test systems, but as a publicly-traded prime rather than an independent services lab.
- Element Materials Technology: Element is a large global testing, calibration, and certification firm with deep aerospace & defense exposure across environmental, EMC, and product qualification services. It overlaps with Clark Testing in defense/aero qualification but at significantly larger scale and broader geographic footprint.
- TÜV SÜD: TÜV SÜD is a global testing, inspection, and certification organization serving aerospace, defense, and industrial markets with product qualification and certification services. Comparable to Clark Testing in scope of qualification work, but operating internationally and at far greater scale.
- Bureau Veritas: Bureau Veritas is a global TIC firm providing testing and certification for industrial and aerospace customers. It overlaps with Clark Testing in industrial/aerospace product qualification but operates at significantly greater scale and broader industry exposure.
- Applus+ IDIADA: Applus+ IDIADA provides design, engineering, testing, and certification services for the automotive, aerospace, and industrial sectors. Comparable to Clark Testing because of its combined design-services and qualification-testing offering, though its core is automotive/aerospace homologation rather than U.S. defense work.
- KBR (Wyle / CSSI defense services): KBR's Government Solutions business, which absorbed the legacy Wyle Laboratories testing and engineering services, provides defense testing, evaluation, and engineering support including aerospace qualification. It overlaps with Clark Testing on U.S. defense and space qualification work but as a prime contractor rather than a niche services lab.
Direct peers
- National Technical Systems (NTS): National Technical Systems is a U.S.-based independent testing services provider offering qualification, environmental, EMC, and reliability testing to aerospace, defense, and commercial customers. It is the closest direct peer to Clark Testing in terms of service mix and customer base in defense/space qualification testing.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights5 records
Customer concentration
Clark Testing social profiles
Digital presenceClark Testing financial estimates
Financial estimateRevenue estimate
Valuation estimate
Clark Testing leadership team
Management profileNumber of profiles
Profiles1 record
Clark Testing funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Clark Testing M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Clark Testing
What does Clark Testing do?
Clark Testing provides product qualification testing and design solutions for the defense and space industry. The company validates and qualifies products intended for demanding defense and aerospace applications, offering testing services and design engineering support to manufacturers and suppliers in these sectors.
When was Clark Testing founded?
Clark Testing was founded in 1992. It employs 101 to 250 people.
Where is Clark Testing based?
Clark Testing is headquartered in Jefferson City, United States, in the North America region.
Who are Clark Testing's main competitors?
Qualtest is listed as an emerging player. Broad incumbents are SGS, Intertek, Curtiss-Wright Defense Solutions, Element Materials Technology, TÜV SÜD, Bureau Veritas, Applus+ IDIADA and KBR (Wyle / CSSI defense services). National Technical Systems (NTS) is listed as a direct peer.
Does Clark Testing have an API?
No public API is recorded for Clark Testing.
What industry is Clark Testing in?
Clark Testing's product category is Product Qualification Testing Services. Its primary akta.pro industry code is IMABAMAL, Military Aerospace Ground Support Equipment (GSE) & Test Systems, with a secondary code of IMABAFAN, Avionics Test, Simulation & Calibration Equipment. Its NAICS code is 54138 and its SIC code is 8734.