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Contact

National Insurance Group 

Our

Headquarters

Massachusetts 

Corporate Office

190 East Main Street

Marlborough, MA  01752

California

Alabama

Email Us

Charlie@Nationalinsgrp.com

Brenda@Nationalinsgrp.com

Call Us

Charlie: 508-970-3380

Brenda: 508-970-3373

Fax: 508-485-6463

Get Started Today!

Join our national network of independent insurance agents and discover why we are all BETTER TOGETHER.

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Thank You! Charlie or Brenda will be in touch!

Our Headquarters

ABOUT

National Insurance Group is a national brand with national reach; strategic operational consultancy focused on people, performance and profit.

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LOCATION

190 East Main Street

Marlborough, MA  01752

PHONE

(508) 970-3380

(508) 970-3373

EMAIL

Charlie@Nationalinsgrp.com

Brenda@Nationalinsgrp.com

LET'S CONNECT

Join National Insurance and we'll help you connect with top notch agents just like yourself!

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It's Time To Go National

National Insurance Group's expert team is ready to help you grow your business. What are you waiting for?

© 2025 National Insurance Group, Inc.

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