The Marr Companies

The Marr Companies The Marr Companies is a leading provider of specialty equipment, products and labor services to the c

The Marr Companies consist of four separate businesses that provide the New England construction industry with specialized products and services, contributing to the area's overall growth and development. The Marr Companies is privately owned by the fourth and fifth generations of the Marr family. Daniel Marr & Son Company, established in 1898, is involved in steel and pre-cast erection, rebar pla

cement, welding and shear stud installation. Marr Scaffolding Company, established in 1945, is engaged in the rental, sales and servicing of nationally marketed products and equipment. The company is structured into four divisions: scaffold, aerial platform, shoring and forming, and bleachers and special events. Marr Crane & Rigging, established in 1942, is engaged in the rental of cranes and hoists to construction companies, industrial customers and stevedoring accounts in the Greater Boston area. The company also provides rigging, trucking and warehousing services. This division also leases equipment to Daniel Marr & Son for all steel erection work performed by the company. The company employs fully-trained and experienced operators to operate the rented equipment. Isaac Blair & Co., Inc., was established in 1820 and purchased by Daniel Marr & Son in 1969. Along with heavy-duty shoring and rigging, Isaac Blair provides emergency services 7 days a week, 24 hours a day.

Happy St. Patrick’s Day! Wishing everyone good fortune today and in the year ahead 🍀
03/17/2026

Happy St. Patrick’s Day! Wishing everyone good fortune today and in the year ahead 🍀

Introducing the newest addition to our powered equipment fleet: a 2025 International LT625 matched with a 2026 Landoll 9...
01/19/2026

Introducing the newest addition to our powered equipment fleet: a 2025 International LT625 matched with a 2026 Landoll 930 trailer. Brand new and built for performance, reliability, and the toughest jobs ahead. Proud of our team for keeping things moving safely and efficiently every day! 💪🚛

Grateful for our partners and team as we step into 2026 together. Here’s to continued collaboration, shared success, and...
12/31/2025

Grateful for our partners and team as we step into 2026 together. Here’s to continued collaboration, shared success, and reaching new heights in the year ahead! ✨

Wishing you a joyous holiday season filled with peace, joy, and prosperity. Merry Christmas and best wishes for a Happy ...
12/25/2025

Wishing you a joyous holiday season filled with peace, joy, and prosperity. Merry Christmas and best wishes for a Happy New Year! 🎄❄️

On and off the job site, our gratitude starts with our people. Thank you to our dedicated crews, office teams, clients, ...
11/27/2025

On and off the job site, our gratitude starts with our people. Thank you to our dedicated crews, office teams, clients, and partners who make every project possible. Happy Thanksgiving from all of us at Marr!

Congratulations to Associated Subcontractors of Massachusetts on celebrating 75 years in the industry — an impressive mi...
11/04/2025

Congratulations to Associated Subcontractors of Massachusetts on celebrating 75 years in the industry — an impressive milestone! 👏

We’re proud to be part of this story and to see our own Jeff Marr Jr., President of Marr Scaffolding Company and Past ASM President, featured in the anniversary video sharing his insights and reflection on this special occasion.

Click to watch the ASM 75th Anniversary video: https://youtu.be/mg21QGW-Jf4?si=WK_PxriMmKzskOqS

Here’s to many more years of collaboration and success ahead!

Enjoy a video celebrating the impact of the Associated Subcontractors of Massachusetts over the past 75 years. This highlights legislative wins, generational...

A   to September — sister companies, one mission. Daniel Marr & Son and Isaac Blair teamed up at First Baptist Church in...
10/10/2025

A to September — sister companies, one mission. Daniel Marr & Son and Isaac Blair teamed up at First Baptist Church in Newton, shoring, jacking, and preserving the structure for needed façade repairs. Daniel Marr & Son erected the steel shoring tower, which Isaac Blair used to install and operate the hydraulic jacking system, safely transferring structural loads and allowing masonry restoration work below. Customer: Aniceto Historical Restorations

All teed up for the weekend! Here’s to enjoying the final days of summer sunshine ☀️
09/19/2025

All teed up for the weekend! Here’s to enjoying the final days of summer sunshine ☀️

Happy Labor Day! We’re grateful to our skilled crews and loyal customers whose dedication and support build our success....
09/01/2025

Happy Labor Day! We’re grateful to our skilled crews and loyal customers whose dedication and support build our success. Wishing you a safe and enjoyable holiday 🇺🇸 ☀️

Marr’s Shoring Division recently partnered with Soderholm Custom Builders on a chalet located in Manchester-by-the-Sea. ...
08/29/2025

Marr’s Shoring Division recently partnered with Soderholm Custom Builders on a chalet located in Manchester-by-the-Sea. To support the upper two levels of the home during the removal of the basement’s load-bearing walls, our in-house engineer designed a ledger system that bolted onto the existing studs on the main level. The system safely transferred the loads to the shoring in the basement, with additional blocking installed where loads fell between first-level joists. This was a great effort by all involved.

Happy Fourth of July! Wishing everyone a joyful, safe and memorable weekend 🇺🇸 🎆 🎊
07/04/2025

Happy Fourth of July! Wishing everyone a joyful, safe and memorable weekend 🇺🇸 🎆 🎊

Address

1 D Street
Boston, MA
02127

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