King & Spalding
Project, Atlanta

Branch Bank


Business Center

Superbowl LIII


A Few Words About Us

Mark III Signs is a team of experienced engineers and graphic designers, located in Atlanta, GA.

Mark III Signs, Inc. was founded in 1972 by Joe Connell and incorporated in 1977.  It was founded to make Open/Closed signs.  It’s first big job was the parking lot signs for the Louisiana Superdome.  While the neon interior have long been replaced the boxes are still in use today.  Mark III grew from there to be a leader in sign design manufacturing and installation.  We have exterior and interior signs all over the East coast with multiple clients.  Mark III is owned and run by Mark Connell who joined the company with in 1992.

47 Years of experience

Our Work

Max Bank

Kinetic Credit Union

Fulton Bank

SunTrust Corporate Space

Lakeland Bank

SunTrust Retail


Interior Signs

ADA signs, wayfinding / directional signs, office / cubicle signs, conference room signs, building directory signs, and more.

Interior Graphics

Digitally printed vinyl wallpaper, privacy vinyl, vinyl wraps, cut vinyl logos and lettering and more.

Donor Recognition

Wall plaques, floating acrylic plaques, etched plaques, engraved plaques, cast plaques, and more.

Wall Signs

Exterior wall signs, channel letters, reversed channel letter signs and more.


The placement of the signature King & Spalding sign was an important milestone for the firm. Mark is passionate about what he does
and it shows!

Derek Hardesty

King & Spalding