About Us

About Us

40 years of experience as a sawing & drilling company.

History of DOT Diamond Core Drilling

DOT Diamond Core Drilling, Inc. was founded by Leo F. Nolan Sr. in 1974. Today
the company has offices in Elyria, Ohio, Cincinnati, Ohio and Washington D.C.
Services offered include flat sawing, runway grooving, roadway profiling,
diamond grinding, wall sawing, core drilling, bridge deck grooving, hand sawing,
chain sawing, horizontal curb sawing, vermeer sawing, and wire sawing. DOT
Diamond Core Drilling, Inc. also provides concrete cutting and drilling
equipment sales, service, and rentals.

Some of our more noteworthy sawing and drilling accomplishments in the
Cleveland area are Jacobs Field, Quaker Square, Gund Arena, Cleveland Heart
Center, Federal Reserve Bank, Tower City, Botanical Gardens, and Municipal
Stadium. In the greater Washington D.C. area they include the Pentagon, White
House, Capital Building, Andrews Air Force Base, along with numerous auto
plants and steel mills nationwide. And, one of our Cincinnati area projects
includes the Fountain Square renovation.

Our Locations

Corporate Headquarters

780 Sugar Lane
Elyria,OH 44035
1.800.322.6877
440.365.5801

Cincinnati Office

11334 Tamarco Drive
Blue Ash, Ohio 45242
513.521.6000
513.521.5378

Washington D.C. Area Office

4751 Lydell Rd
Hyattsville, MD 20781
301-316-8220

Affiliations & Awards

Sawing and drilling employees are members of Laborers Locals 310 and 860

Member of Ohio Contractors
Association (OCA)

Member of International
Grooving & Grinding Association(IGGA)

Member of the Lorain County
Safety Council

Safety award from Ohio BWC
for no lost time accidents in 2004, 2005, and 2006.

Kvaerner Songer award for
National Steel, Granite City 2002.

ODOT District 12 award in 2001
for exceeding customer expectations.

CSDA Top Job Award
First Place The Golden 30 Award 2010 & 2012

Contact Us Today!