HCG Heating will see their logos featured on the Imps' shirts for Saturday's Emirates FA Cup first-round tie against Bowers & Pitsea.
The Lincoln-based company are sleeve sponsors for the game, and will see their name showcased on the day as well as in extended television highlights.
They have more than 40 years of experience working with domestic and commercial clients in Lincolnshire, and offer a round-the-clock service to clients.
HCG Heating's Darren Walker said: We at HCG Heating Construction Ltd would like to wish Lincoln City all the best for the upcoming game and are hoping this is the first of many FA Cup ties we can be part of this season!"
Imps head of commercial Adam Chantrey added: "The FA Cup is a special competition for all football fans, and ties like this weekend's are what the magic of the cup is all about - I know I cannot wait for Saturday to come around.
"I'm pleased we can count on the support of HCG Heating for this game, and it's even better that their name will be showcased to a national audience with us featuring on extended highlights."
