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Founded In: 1961
Size: 10-19 Employees
Annual Vol: Not Provided

Our Story

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DDD is one of the oldest speciality concrete cutting and coring and construction supply companies serving the metro Detroit area for over 55 years. DDD was founded by Roy Sweet in 1961. DDD's current owners, Jim Grunewald and Kirt Hardoin, joined the company in 1969 and 1973. It has grown into a successful small business  with key employees combined having over 100 years of experience in the industry.  We have been fortunate to be a part of the Detroit renaissance, but like other companies we have also experienced the downturns of the Detroit ecomony.  It has made us stronger - becoming more aware of our customers needs, using our experience to  solve their complex problems and expanding our product offerings and support services to meet changing requirements.

As a veteran owned small business, DDD is able to provide quality services with timely response and attention to safety. Our long term relationships with suppliers and manufacturers - DDD has been a Stihl dealer since 1969, enables us to provide our customers with a range of professional, quality products. We understand understand the  need for quality, cost control and value.

What We Do

Products/Services Relating to Concrete Breaking, Sawing & Drilling
Products/Services Relating to Contractors Equipment--Rental/Sales/Svc.

Project Experience

Service Sector:
Public Private
Project Types:
New Alterations/Renovations Interior Fit-Ups
Project Size:
From $200 to $250,000
Airport Runway
School / College / University
Fire / Police Station
Gas Station
Golf Course
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
Manufacturing Plant
Apartments & Condominiums
City / Town Hall
Terminal - Airport / Bus / Railroad
Church / Synagogue
Retail Store
Road / Highway
Sewage / Water Treatment Plant
Jail / Prison
Arena / Stadium
Parking Garage
Club House / Community Center
Mixed Use
Park / Playground
Storage Facility / Warehouse
Assisted Living
Design Build
Auto Dealership / Service
Non-Building Construction
Athletic Field
Parking Lots
Swimming Pool
Tennis Court
Non-Residential Building
Animal Hospital / Kennel
Court House
Fitness Center
Medical Office
Post Office
Radio / Television Station
Residential Building
Tract Housing

Service Areas

Preferred Brands & Manufacturers

Diamond Products
Diamond Products
Dixie Diamond Blades
Dixie Diamond Blades
Powers Fasteners
Powers Fasteners
Reed Mfg.
Reed Mfg.
Simpson Strong-Tie
Simpson Strong-Tie
Tsurumi Pump
Tsurumi Pump

Associations & Memberships

Member of AGC (Associated General Contractors) AGC (Associated General Contractors)
Member of CAM (Construction Assn. of Michigan) CAM (Construction Assn. of Michigan)
Member of CSDA (Concrete Sawing & Drilling Assn.) Certified Operator CSDA (Concrete Sawing & Drilling Assn.) Certified Operator
Member of ASA (American Subcontractors Assn.) ASA (American Subcontractors Assn.)
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