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Proudly Serving Northwest Ohio & Southeast Michigan
From our Toledo headquarters and satellite offices in Milan and Adrian, SLI supports businesses, organizations, schools, and teams throughout the region with custom signs, branded apparel, promotional products, and print solutions.
Local Service. Regional Reach.
SLI serves customers across Lucas, Wood, Fulton, Monroe, Lenawee, and Washtenaw counties, including communities throughout the Toledo metro area and Southeast Michigan.
- Ann Arbor, MI
- Toledo, OH
- Milan, MI
- Adrian, MI
- Ypsilanti, MI
- Dundee, MI
- Monroe, MI
- Temperance, MI
- Sylvania, OH
- Maumee, OH
- And surrounding areas
Built for the Work You Do
Every field has its own demands. We tailor signs, apparel, promotional products, and print to fit yours.
Health Care
Patient-focused signage, branded apparel, and communication solutions for hospitals, medical practices, clinics, and healthcare networks. From wayfinding systems and donor recognition displays to staff uniforms and promotional materials, we help healthcare organizations create safe, welcoming, and professional environments.
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Transportation
High-visibility signage, vehicle graphics, branded apparel, and facility identification solutions for transportation, logistics, and fleet operations. We help organizations improve safety, strengthen brand recognition, and keep drivers, employees, and customers connected across every mile.
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Nonprofit
Mission-driven branding, event materials, donor recognition displays, and promotional products designed to help nonprofit organizations engage supporters and expand their impact. From fundraising campaigns to community outreach initiatives, we provide solutions that help tell your story and inspire action.
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Sports & Entertainment
Dynamic signage, branded merchandise, team apparel, and event graphics for stadiums, arenas, theaters, festivals, and entertainment venues. We help organizations create memorable fan experiences, increase visibility, and bring brands to life both on and off the field.
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Government
Reliable signage, facility identification systems, vehicle graphics, and branded apparel for municipalities, public agencies, and government departments. Our solutions support public communication, improve wayfinding, and help communities stay informed, safe, and connected.
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Education
Campus signage, school branding, spirit wear, and recognition solutions for K-12 schools, colleges, and universities. From wayfinding systems and athletic graphics to staff apparel and promotional materials, we help educational institutions build pride, improve communication, and create engaging learning environments.
See detailsLove from Happy Customers
"Ordered some new shirts, hoodies, and long sleeves for our business. There was a few issues with print, however Andrew and SLI was great in getting me some resolutions and making it perfect for us. Went out of there way to make sure I was satisfied with the end result. I highly recommend this company for any custom shirts, custom apparel or signage. I’m sure they will make it great with anything they do!"
"I want to give a huge thank you to Jenny L for the absolutely beautiful job she did on my uniforms design. From start to finish, her creativity, attention to detail, and professionalism truly stood out. The final product was beyond my expectations, and I am genuinely pleased with the outcome. Thank you again for your excellent work — I will definitely be returning and recommending you to others!"
"Megan helped us over the phone and made sure the sign we got was exactly as we wanted. Super helpful and great quality. Thank you again Megan Bunton."
"Their local service is phenomenal regardless of the size of the order. Jordan, Jenni and team run a first class operation, products and people. Great local people!!!!!!"
"Our company has worked with Jenni at SLI Custom Signs & Apparel on several apparel and promotional projects, and she always goes above and beyond. Jenni is incredibly easy to work with — professional, responsive, and detail-oriented. She takes the time to understand exactly what we need and delivers high-quality products that truly represent our brand. Whether it’s uniforms, signage, or promotional giveaways, everything is done right and on schedule. We couldn’t ask for a better partner — highly recommend Jenni and the S.L.I. Custom Signs and Apparel team."
"I have been a customer of SLI for YEARS! They are AWESOME people from the front line crew, all the way to the TOP. They have always met their deadlines, carry great quality products and have been AMAZING community partners. I will continue to use them for all my needs that they offer. LOVE THEM."
"They were extremely helpful and efficient in responding via email. Everyone was very flexible in helping us get what we needed quality and quantity wise while honoring a personal budget! Also, pick up was an easy and pleasant experience due to the friendly worker at the desk. It was all around awesome to work with them! I would 100% order again!"
"I use SLI for all of our embroidered and screen printed apparel at The Danberry Co! They have all the trendy items that our agents love. I am sometimes sending multiple orders a week and Jenni, Andrew and Zac are always quick to respond and get our orders going. I highly recommend SLI for all of your marketing needs!!"
"SLI Custom Signs and Apparel are a legit place in Toledo, Ohio. They have done five of my requests of making cut-out pictures of people. I'm telling you, definitely check them out. It's a great laugh, a great gag, and they can even create some great memories with their design."
"Andrew and Zac were great to work with. They worked to make our shirts just what we wanted while keeping the price down so we can make a profit selling them at our car show, raising money for Relay for Life."
"I do business here a lot for many things and have not been disappointed one bit. They are fast, efficient, and make what I need happen!! Highly recommend this company!!"
"SLI can give you exactly what you want. These are beautiful custom decals I had made for my homemade mini bike. Very, very professional."
Proudly Serving Northwest Ohio, Southeast Michigan, and Beyond
Let’s build something for your organization.
Apparel, signs, promo, or print. start one project or roll out everything at once. One team handles it all.