INTERBORO Sign & Maintenance, Inc. is a full service installation company dedicated solely to serving the sign, outdoor advertising and commercial light trades for over 30 years.

Our experienced staff is comprised of members of the Sheet Metal Workers Union Local 137 and Electrical Laborers Union Local 3.

We have a full steel fabrication plant and our welding is AWS certified with an in house Certified Welding Instructor.

We are a fully equipped with a fleet of late model boom trucks, flatbeds and service vehicles with a reach capacity of 177′. We own and operate our own motorized scaffolding with an unlimited reach.

We hold a Master Sign Hangers License, Riggers License, Welding Licenses and Electrical License. Our employees are licensed boom truck operators and certified scaffolding operators.

We are also fully insured and can provide a certificate of insurance for every project. We have the latest technology to provide digital photo surveys of any size project and can also obtain permits upon request.

Your valuable shipments can be received and stored in our secure warehouse for safe keeping until installation.

Please contact us with any questions you may have or email us at or
We look forward to fulfilling any and all of your installation needs.