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Product Sale & Installation

We sell and install a wide range of industrial and commercial quality rolling doors, griller doors, impact and high speed doors, dock levelers, dock bumpers and lights, vehicle restraints, dock seals and much more. 


Our executive sales agents are equipped to answer all your questions and help you to acquire the best product for your needs.    

Servicing, Warranty & Maintenance

Our certified and experienced Field Service Technicians are equipped to service and give the proper  maintenance to a wide range of industrial and commercial quality rolling doors, griller doors, impact and high speed doors, dock levelers, dock bumpers and lights, vehicle restraints, dock seals and much more.

AAADM / Drop-Test

We currently have AAADM certified personnel on site to provide any certification for any type of pedestrian traffic on revolving doors, sliding doors, swing doors and folding doors. Complying with ANSI/BHMA, A156.10, A156.19, A156.38 and A156.27.


We also have personnel with more than 20 years experience certified under the NFPA-70E / NFPA-80, Fire Watcher and 30hrs OSHA industrial within sliding-rolling doors, telescopic doors and much more. 

Service, Repair & Installation

of Rollup and Swing Doors

for Trucks 

We also service, repair and install a wide range of swing and rollup doors for trucks and semi trucks. We are committed to providing the transportation industry with the best quality products and parts for your truck's swing or rollup door.  

If you are interested in repairing any of your truck's swing or rollup doors feel free to contact us for more information and a quote.   



M&N Electronic, Inc. is a reputable company with over 30 years experience in servicing and installing all types of commercial, industrial doors, and loading dock equipment.

We pride ourselves in offering our clients fast service and competitive rates while delivering quality work in the utmost professional manner.


With our experienced executive sales agents and certified field service technicians, our clients can rest assure that their needs will be met in a timely and efficient manner. In addition, we have on site licensed Inspectors certified with the American Association of Automatic Door Manufacturers (AAADM).


We are the number one authorized distributors for such companies as Rite Hite, Chase Doors, Damotech, Berner Air Curtains, Overhead Rolling Doors and Wayne Dalton.





Year Established

Projects / Jobs Completed

Field Service Technicians


Awards / Recognition Won






Authorized and registered to operate during the Covid-19 Emergency. 

Register # 349



Inquiries / Questions

For any inquiries or questions, please call:

787-798-1261 or fill out the following form

Thanks for submitting!


To find and apply for an available job with M&N Electronic, Inc., please click here. 

Social Media

You can find more information through our social media accounts:

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  • Instagram
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Operation Hours

Our Head Office operational hours are:

Monday - Friday 7:00 (am) to 5:00 (pm)* 

*Our operational hours are subject to change and does not include Field Service hours. Please contact us for more information. 

Head Office

Physical Address:

PR 865 Km.. 4.4 Bo. Candelaria Arenas

Toa Baja, PR 00949

Postal Address:

P.O. Box 51648

Toa Baja, PR 00950-1648


Tel: (787) 798-1261 / 2335 / 2336 / 2337 / 2338

Fax: (787) 798-7826

Department Directory

Sales / Quotes


Billing Dept.


Acct. Receivables Dept.

Sales Support Dept.

Service Dept.

Shipping & Logistics Dept.

Accounts Payable & Human Resources Dept.

Accounting Dept.

Safety & Certifications Dept.

Administration - President - Vice President

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