PRECISION
ENGINEERED
FOR AEROSPACE.
Plus Designs, Inc. (PDI) delivers advanced engineering consulting for aerospace structures, thermal systems, and defense-grade materials — trusted by NASA, Northrop Grumman, and AFRL.
25+
Technical Presentations
NASA
Government Partner
30+
Years of Expertise
Engineering
Excellence
Since Day One.
Plus Designs, Inc. (PDI) is a specialized aerospace engineering consulting firm headquartered in Phoenixville, Pennsylvania. Led by a founding principal with deep expertise in thermal-structural analysis, refractory ceramics, and composite materials, PDI has contributed to some of the most demanding programs in U.S. aerospace and defense.
Our work spans advanced composite layup design, orthogonal weave architectures, 4D preform systems, and high-temperature structural analysis — capabilities that have earned trust at the highest levels of government and industry.
25+
Peer-Reviewed Presentations
Published technical research across aerospace structures and materials
NAICS
336414 Certified
Guided Missile & Space Vehicle Manufacturing classification
DoD
Government Contracting
Cleared for federal procurement and defense program support
Trusted by leading aerospace & defense institutions
NASA
National Aeronautics & Space Administration
Northrop Grumman
Defense Prime Contractor
AFRL
Air Force Research Laboratory
Aerojet Rocketdyne
Aerospace & Defense Propulsion
Redstone Arsenal
U.S. Army Aviation & Missile Command
What We
Deliver.
Four integrated service lines, each precision-calibrated for the demands of aerospace, defense, and advanced technology programs.

Structural · Thermal · Composite
Engineering & Design
Rigorous thermal-structural analysis, finite element modeling, and composite architecture design for aerospace-grade components operating under extreme conditions.

Precision · Certified · Defense-Grade
Aerospace Manufacturing
Advanced manufacturing support for guided missile systems, space vehicle structures, and refractory ceramic components under NAICS 336414 classification.

Concept → Testable Hardware
Prototype Development
Rapid prototype development for advanced aerospace structures, from 4D preform architectures to orthogonal weave composites — designed for test and validation.

Government · Prime · Sub-Tier
Custom Solutions
Tailored engineering consulting for government agencies, prime contractors, and specialized sub-tier programs requiring domain-specific expertise in advanced materials.
Where PDI
Operates.

Structures · Propulsion · Thermal Systems
Aerospace
Engineering support for launch vehicles, re-entry systems, and high-temperature structural assemblies — from design through certification.
Discuss a Program
Missile Systems · DoD Programs · AFRL
Defense
Precision engineering for guided missile systems, refractory composite components, and defense-critical materials under strict government compliance.
Discuss a Program
Materials R&D · Composites · Innovation
Advanced Technology
Research and development consulting in next-generation composite architectures, 4D preforms, and novel material systems for emerging aerospace applications.
Discuss a ProgramThe Standard
for Aerospace
Consulting.
"PDI brings the analytical rigor of a national laboratory with the agility of a specialized consultancy — an uncommon combination in the aerospace materials space."
Program Partner, Defense Prime Contractor
30+
Years Experience
5
Institutional Partners
Precision-First Methodology
Every analysis, every design decision, every deliverable is held to aerospace-grade standards — no approximations, no shortcuts.
Credentialed Expertise
The founding principal brings decades of peer-reviewed research and hands-on program experience across NASA, AFRL, and DoD initiatives.
Government Compliance
PDI operates under NAICS 336414 and SIC 3761 classifications — fully aligned with federal procurement and defense contracting requirements.
Advanced Materials Mastery
Deep specialization in refractory ceramics, C/C composites, orthogonal weaves, and 4D preform architectures for extreme-environment applications.
Start a
Conversation.
Reach out to discuss your program requirements. PDI responds to all qualified engineering inquiries within one business day.
Address
1220 Valley Forge Rd, Ste 17 Phoenixville, PA 19460, USA
Phone
610-563-0172Industry Classification
NAICS 336414 — Guided Missile & Space Vehicle
SIC 3761 · Federal Procurement Eligible
Business Hours