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Hi-Impact Signs: Custom Printing & Graphic Design in Thunder Bay

Hi-Impact Signs is a family-owned business that was established in 1992 by John Currie and purchased by Rob Kowalchuk in 2008. Beginning with little more than some free time and an idea, Hi-Impact Signs was able to expand into what it is today—the largest mobile sign operation in Thunder Bay. This was made possible largely through strict adherence to our number one priority: keeping our customers satisfied!

Hi-Impact Signs is your local source for a full range of custom printing and graphic design services in Thunder Bay and surrounding areas of Manitoba, including large and wide format printing, long and short term mobile sign rentals, and more.

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High Visibility, Low Cost

Mobile signs offer a convenient and cost-effective way to deliver your message.

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Boost Your Business

Attract more customers with indoor and outdoor signs

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Establish Your Public Identity

We can design and create a custom logo for your business

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Seeing is Believing

Browse photos of some of our recent projects


  • Wide format printing
  • Mobile signs
  • Vinyl signs

Promotions and Special Offers

Mobile signs set up within 48 hours of order

Advertising Made Easy

While we specialize in mobile signs and vinyl signs, we produce a wide variety of creative and cost-effective advertising solutions, including colourful, eye-catching banners, black matrix sign boards, construction signs and magnetic strips, fluorescent lettering, vehicle wraps and graphics.

Multiple Formats, Fast Turnaround

We offer friendly, professional customer service and can build and custom create any sign in any format, including wood, Coroplast, Dibond® or LEXAN™. Our experienced crew will meet your advertising and promotional needs promptly and professionally.

Serving Thunder Bay and Area

We serve customers in Thunder Bay and surrounding areas. Our shop is open Monday through Friday from 9:00 AM to 5:00 PM. Contact Hi-Impact Signs now by calling 807‑626‑2007 or visit us at the intersection of Balmoral and Hewitson Streets in Thunder Bay to get your message out to your customers in just 48 hours.

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