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Technical Publication Associates, Inc.

Technical Writing, Illustration, Patent Illustration, Basic Web Design, 3D Rendering/Modeling

Technical Publication Associates, Inc (TPA), a Central Illinois company, has built a solid reputation for designing, writing, illustrating, formatting, and producing technical documentation and artwork.  Established in 1990, TPA has grown from its original co-founders to a staff of six professional technical writers, illustrators, and support staff; TPA is an SBA designated small (micro) business


In our growth process, we have developed long-term partnerships with many companies, organizations, and communities. Some of these client-partners have been so satisfied with our services that they have recommended us to their associates and other business contacts. In fact, a few clients are people that changed employers but continue to request our services. To many of our clients, we have become their off-site publication department.


Our goal is to develop successful, long-term partnerships where our services integrate with your specific technical needs. We work individually with each client to make sure our work is tailored to your specific needs.  Our company is Christian-based and therefore we strive to operate under the highest ethical and moral standards.

Recent Work

Swan Tub Sink Manual Orthopedice device illustration
Patent Illustration Titan Implement Website


”The operator manuals you do for us are absolutely the best, most detailed manuals out there! I think our company would be utterly lost without your services.”


Kelli Julich-Turnquist

Meridian Mfg.

"On each occasion, TPA provided high-quality patent drawings at a very competitive price with prompt and courteous service. I am very pleased with their services and will continue to use them. As a flat-fee service provider to my clients, it is very important to me to rely on fast turn-around and accurate estimates for the patent drawings: TPA has delivered quality drawings on time and on (or under) budget."


Peter A. Haas

Registered Patent Attorney

Peter A. Haas, Esquire LLC

“I have worked with TPA for several years.  They have worked very close with me to develop product operation manuals and product price guides.  They definitely provide a quality product in a timely manner.”


Ron Roglis

Marketing Sales Manager

HCC inc.

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