The Centre for Industrial Design
Research led design consultancy which functions as an independent commercial enterprise within the University of Northumbria at Newcastle.
http://www.cfid.co.uk/

CHOi Design, Inc.
An industrial design consulting company "committed to helping clients achieve competitive superiority".
http://www.choidesign.com/

Colorcom
Color and design consultation.
http://www.colorcom.com/

Continuum
A multidisciplinary design consultancy.
http://www.dcontinuum.com/

Daedalus, Inc.
3D CAD and product engineering with a focus on ergonomics.
http://www.daedalus-inc.com/

David Harris Associates
Design consultancy, specializing in product innovation, research and graphic design.
http://www.dhadesign.com/

Design Innovation Inc.
An industrial design firm with international clients, full service product design and product development office.
http://www.designii.com/

Design4U
Control room design, treeplast product design, and industrial design. Netherlands.
http://www.design4u.nl

Devlin Design
Services range from product design to engineering for production, including solid modeling and electrical engineering.
http://www.devlin-design.com

Emerson Johnson & Mackay
EJM, Inc. delivers cool design, solid engineering, and user focussed results for your industrial, concept and product design projects.
http://www.ejmdesign.com/

Eye Tech Product Design and Consultancy
Product design and industrial design consultants based in Edinburgh, Scotland.
http://www.eyetechdesign.co.uk

frog design
A strategic-creative consultancy that combines research, strategy, technology, and design to create products and services for Fortune 500 clients.
http://www.frogdesign.com/

Hall Design
Work covers a wide range of markets such as computer, medical, telecommunications, stereo, video, toys, disposables and scientific instrumentation.
http://www.halldesign.com/

JEDCo Design
Team of industrial designers and product engineers with a wide range of services.
http://www.jedco.co.uk/

Jupille Design Inc.
Industrial design, engineering and product development consulting firm serving the computer/electronics, medical, consumer and industrial markets.
http://www.jupille.com

KDA Industrial Design Consultants
Specializes in new product development, cost reduction, patent circumvention, human factors and ergonomics.
http://www.designkda.com/

Lathrop Engineering
Industrial design firm working in the computer, consumer, commercial and medical fields.
http://www.lathropeng.com/

MILAI
Offering concept design, physical prototyping and reverse engineering.
http://www.milai.co.jp/

Prime Studio
Design consultancy based in New York City providing industrial design and related services.
http://www.primestudio.com/

Aegis Group
Offers product development, industrial design, mechanical and electrical engineering, embedded system design, and software development including Linux and Window CE software and device drivers for e-commerce and mcommerce solutions.
http://www.aegis-capital.com

Sowden Industrial Design
Specializes in the design and engineering of consumer and professional electronics. Headquartered in Italy, also has an office in San Francisco.
http://www.sowdendesign.com/

Montgomery Design
Industrial design and product development firm with a background in equipment and appliance and vehicle design.
http://www.montgomerydesign.com/

1Quest Design
Audio and multi-media products, interior design, furniture and interactive exhibitions.
http://www.1quest.com/

Stuart Karten Design
Multi-disciplinary industrial design consulting firm with work ranging from computer and desk accessories to medical instrumentation, from children's toys to transportation design.
http://www.kartendesign.com/

TransForm Design
Opening new markets to manufacturers with innovative industrial design.
http://www.transformdesign.com/

TXS Industrial Design
Providing both product and transportation design.
http://www.txsdesign.com/

Zoe Design Associates
Development firm, specializing in industrial design and product design.
http://www.zoe.com

Aerial
Industrial art and design. Specialising in digital interaction. Research, concept, design through to production. View project examples, company profile and contact details.
http://www.aerial.fm/

Giovanni Agostino Viscomi
Industrial and product design studio located in Milan.
http://www.giovanniviscomi.com/

Sundberg-Ferar
A product innovation company providing research, industrial design, engineering, models and prototypes, strategic alliance development, and interaction design.
http://www.shapetomorrow.com/

IDEO
A design firm that "creates products, services, and environments for companies".
http://www.ideo.com/ideo.htm

Off-Site Design
Mechanical and electrical equipment design and documentation company using 2D and 3D CAD programs.
http://offsitedesign.com/

Industrial Designhaus, LLC
Industrial design firm often acting as a ghost design firm for corporate and consulting design studios.
http://www.industrialdesignhaus.com/

Forma Design
Product design, specializing in hand tools and consumer goods.
http://www.forma-id.com/

Industrial Model And Design
Specializing in the toy industry. Services include model making, sculpting, RTV silicon casts and rapid prototyping.
http://imdtoys.com/