28 Gorilla Engineering

Ruggedized product engineering for the field and the future.

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About the firm

28 Gorilla Engineering is a Chandler, Arizona product development practice founded in 2017 that specializes in ruggedized hardware and connected software systems. It delivers multidisciplinary solutions spanning mechanical engineering, electrical engineering, embedded firmware, and custom software development, partnering with integrated manufacturer 29Tech for prototyping and production. It focuses on engineering complex, high-stakes products designed to perform under extreme physical stress, environmental hazards, or electrically noisy conditions.

Established
2017
Team
Small
Firm type
Defense Engineering · Electrical Engineering · Mechanical Engineering · Software Engineering · Aerospace Engineering

Credentials

ITAR registered

People

Andy PhillipsFounder and Principal Engineer

James SargentSenior Software Engineer

Capabilities

Mechanical Engineering Design

Service website

Develops rugged, manufacturable systems that account for stress, sealing, materials, and usability from the initial concept. The practice focuses heavily on function, optimizing layouts for assembly efficiency and real-world durability.

  • Assembly-aware mechanical design
  • CNC and machined part design
  • High-pressure injection mold part design
  • Low-pressure injection molding
  • Ingress protection and sealing
  • Thermal management
  • Design for manufacture
  • Engineering for harsh environments
  • Electrical integration
  • Fully defined CAD models
  • Material selection
  • Manufacturing drawings

Electrical Engineering Design

Service website

Engineers custom printed circuit boards and integrated power systems built to withstand harsh, electrically noisy environments. This process incorporates noise mitigation, thermal management, and physical durability directly into the layouts.

  • Custom PCB design and layout
  • Power systems and battery management
  • High-speed signal design
  • Embedded system integration
  • Interfaces for production test and durability

Defense Product Design

Service website

Builds regulation-ready systems that survive extreme shock, vibration, and electromagnetic interference in the field. The engineering workflows prioritize strict compliance standards and rigorous physical validation from early concept stages.

  • Design and compliance for MIL-STD-461
  • Design and compliance for MIL-STD-810
  • ITAR-registered engineering and defense production support
  • Prototyping and pre-compliance testing

Software Product Development

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Creates clean, configurable backend systems, customer portals, and internal tools that support connected devices. The software team works directly alongside hardware teams to ensure seamless cloud integration and secure device communication.

  • Customer portal and application development
  • Development for large-scale data collection and analysis
  • Embedded system integration
  • Production programming and secure provisioning tools
  • Server-side application development for IoT and connected systems

Product Concept Development

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Shapes early-stage ideation through the lens of real-world constraints, rapid prototyping, and technical feasibility reviews. This phase reduces deployment risks and delivers a clear, engineering-ready requirements blueprint.

  • Early-stage ideation and constraint mapping
  • Rapid prototyping for form and function
  • Feasibility reviews and risk reduction
  • Requirements definition and development planning

Firmware Development

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Develops secure, validated embedded code across RTOS, ARM, and bare-metal platforms to ensure continuous, clean system operations. This capability supports remote updates, tamper detection, and complex timing controls.

  • Embedded code for control, timing, and safety
  • RTOS, ARM, and Bare-Metal Platform Support

    Support includes firmware platforms spanning RTOS, ARM, and bare metal.

  • Firmware features for OTA updates and encryption
  • Debugging tools like JTAG, trace, and logging systems
  • Validated firmware for medical, industrial, and defense

Industrial Product Design

Service website

Balances ergonomics, physical usability, and rugged aesthetics to shape field-ready tools and mission-critical hardware enclosures. This design discipline integrates closely with engineering departments to ensure a seamless fit.

  • Concept sketching, ergonomic studies, and user testing
  • CAD modeling, appearance models, and 3D rendering
  • Interface design for gloved use and visibility
  • Ruggedized housings for mission-critical tools

Industries

Defense · Aerospace · Industrial · Consumer Products · Healthcare

Projects

JASC Pressure Regulating Controller

Industrial · Client: JASC

Project details

A redesign review that identified vulnerabilities in the initial design, followed by physical redesign and testing under extreme conditions to pass certification.

A.O. Smith Smart Water Heater

Consumer Products · Client: A.O. Smith

Project details

A smart water heater with built-in connectivity that requires no plug-in or installation changes.

Military and Aerospace Battery

Defense

Project details

A rugged battery system with smarter protection circuitry and more stable power delivery designed for military and aerospace use.

SSG CAN Controller

Industrial · Client: SSG

Project details

A modernized version of a widely used CAN controller updated for next-generation machines.