
3Bears Technical Services
Hixson, TNExperts in Nuclear Operations and Waste Management Solutions
Service detail: Engineering and Project Management
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Experts in Nuclear Operations and Waste Management Solutions
Service detail: Engineering and Project Management
AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.
Service detail: Noise and Vibration Engineering
Making Bold Visions Work
Project: David Rockefeller Creative Arts Center
We are leaders in optical design and integration, real-time electronics and software development.
Service detail: Optical Design and Integration

Transforming aerospace systems and services with innovative AI and automation solutions.
Project: Laser Ranging from LEO to GEO Satellites

Research, Design, and Engineering
Project: Runway Lighting Product Lines

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.
Service detail: Heating, Ventilation, and Air Conditioning (HVAC)

Automation Starts Here
Service detail: Robotic Automation Integration
Sustainable, energy-efficient, and eco-friendly engineering solutions
Service detail: Energy Audits & Benchmarking

Engineering HVAC Solutions
Service detail: HVAC Engineering and Fabrication
Overflow Engineering Support for Mechanical & Industrial Engineering, LabVIEW, and Test Systems
Service detail: Mechanical Design & Engineering
Taking Your Product From Napkin To Shelf
Project: Honeywell Air Purifier
Engineered Solutions with Safety, Quality and Integrity
Project: Large Construction Project Pipe Spool Inspection
Your Electronic Product Design and Manufacturing Specialists
Service detail: Electronic Product Design

Contract product development
Service detail: Automation and Control

Advanced ultrasound inspection and intelligent pigging systems for process heaters and subsea pipelines
Project: Scotoplane Tahiti Subsea Inspection
Engineering Your Future
Project: Electric Truck Jack