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Our Story

1920s

1926

Humble Beginnings

DGL began in 1926 as a one-man operation. Alexander Forster was joined in the following year by former coworkers from the American Bridge Company. This led to an early focus in structural engineering.

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Humble Beginnings - Forster Wernert & Taylor

1928

Willies Overland Forge Shop

DGL's first project completed for the Willys-Overland Company, a predecessor to the Jeep brand, involved improvements to their forge shop.

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Willies Overland Forge Shop

1927

Our First DOT Project

DGL completed its first Department of Transportation project when it was contracted by the Michigan Department of Transportation (MDOT) to design a bridge.

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Our First DOT Project

1927

Libbey Stadium

DGL completed design of the Libbey High School stadium in 1927, the first of many stadiums the company would design.

Vintage Football Stadium

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1928

Facility Design Work Begins

Consolidated Paper Co. was one of our firm's first industrial clients. DGL supported the company as they scaled and in later decades would modernize much of its facility.

Vintage Paper Factory

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1926

The Maumee Perrysburg Bridge

The Maumee Perrysburg Bridge was one of our firm's first projects. The gentleman standing to the left was one of our first partners.

Engineers and Model T standing on bridge under construction

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1930s

1937

Coca-Cola Bottling Company Facility

Our glass industry specialization led to the completion of our first project for The Coca-Cola Bottling Company, which included their distribution and bottling plant located in Toledo, Ohio.

Toledo Coca-Cola Bottling Plant

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1933

Straights of Mackinac Bridge Preliminary Planning

Preliminary work was completed for the Straights of Mackinac Bridge, which was later constructed in 1957 (with a modified design).

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Straights of Mackinac Bridge

1936

Glass Plant Specialization

With an early niche completing projects for various glass companies, DGL was hired to complete Libbey-Owens-Ford's new Toledo, Ohio plant.

Libbey-Owens-Ford Glass Plant

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1931

Anthony Wayne Bridge

As a subconsultant, DGL completed work on the Anthony Wayne Bridge, supporting the project's successful completion.

Anthony Wayne Bridge

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1932

Koerbor Brewing

Following the repeal of prohibition, DGL assisted with the expansion of the Koerbor Brewing Company in downtown Toledo, Ohio. This marked our firm's first brewery project. Today the facility is home to the Maumee Bay Brewing Company.

Koerbor Brewing Salesmen with Brewery Facility behind

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1936

Expanding Services

DGL added mechanical engineering, electrical engineering, and surveying services in the 1930s. While we no longer offer mechanical or electrical engineering in-house, we are well known for our survey work to this day.

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Expanding Services

1940s

1941

Supporting WWII Efforts

Subcontracted by DiVilbliss, DGL supported the retooling of facilities for wartime efforts. Notably including Allis Chalmers, Westinghouse Electric, Radio Corp. of America, A.C. Spark Plug, Toledo Scale, White Truck, Remington Rand, and many others.

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WWII Efforts

1942

Surface Combustion Relationship

DGL formed a lasting relationship with Surface Combustion during the decade as we teamed on various projects including DGL's involvement with design of their Toledo facility.

Aerial image of Surface Combustion

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1945

First Traffic/Safety Project

DGL completed an accident survey at the intersection of Front & Main, in Toledo, Ohio. This marked our firm's first Traffic & Safety engineering project.

Vintage roadway with historic vehicles traveling.

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1945

Jeep Plant Before and After War

When Willys-Overland Co. transitioned from manufacturing military vehicles to producing civilian automobiles, DGL continued to support the expansion of their production capabilities. The Jeep and Willys Sedan are pictured side-by-side at their Toledo factory.

Inside the Jeep factory with military and civilian models.

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1945

GI Bill Produces Future Engineers

Many future engineers attended school under the new GI (Government Issue) Bill, including Benjamin Dansard, who served in the US Navy. In later years, Gary Long followed the same path, having served in the US Army. They are remembered today by the "D" and "L" in DGL.

Ben Dansard portrait

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1947

Designing International Glass Plants

The first of several glass plants designed on international soil was completed for the Cervecia Moctezuma Bottling Plant in Orizaba, Mexico. DGL designed the plant (excluding equipment) under a contract with the Toledo Engineering Company.

Artist's depiction of a Mexican glass plant.

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1950s

1959

DGL Subsidiary Caltec Opens

Caltec, Inc. opened for business, equipped with an IBM G-15 computer, which cost as much as DGL’s new headquarters. DGL became the first business in northwest Ohio to harness the power of electronic computational power.

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DGL Subsidiary Caltec Opens

1959

The Interstate Highway System

DGL helped to shape transportation in the region, including the relocation of US-2 from Port Clinton to Huron, the relocation of US-23 from US-20 in Ohio to Dundee, Michigan, and a section of the new I-75 "Seaway Freeway" from Cygnet to Bowling Green, Ohio.

Historic aerial of US-23 under construction

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1955

New Office

To support our growth, DGL designed a cutting-edge building on Sylvania Avenue in Toledo, Ohio. Our new home gained recognition, earning features in national architecture publications for implementation of modern amenities.

Architects render of DGL's new office building

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1956

Port Authority of Toledo

Following the establishment of the Toledo-Lucas County Port Authority (TLCPA) in 1955, DGL’s partnership began in 1956 with work on the Presque Isle expansion as well as various other projects with the TLCPA throughout the decade.

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Port Authority of Toledo

1952

Ohio Turnpike Constructed

As one of the original designers selected by the Ohio Turnpike and Infrastructure Commission, DGL was responsible for the design of a section of the Turnpike in Wood County, including both the mainline corridor and interchange. This landmark project helped establish DGL as a regional leader in transportation engineering.

Historic aerial of the Ohio Turnpike's Stony Ridge Interchange

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1952

Drive-In Theatres Specialization

Automotive culture changed how Americans lived. Finding a unique niche, DGL supported numerous drive-in theatre locations in Ohio and neighboring states. DGL’s services ranged from full design to amenity improvements such as in-car speakers and heaters.

Architect's rendering of a vintage drive-in movie theatre.

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1960s

1960

Anthony Wayne Bridge Rehabilitation

After working as a subconsultant on the Anthony Wayne Bridge's design team some 30 years earlier, DGL led the rehabilitation and modernization of the bridge in the early 1960s.

High level bridge under construction

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1960

Public and Religious Buildings

DGL's architecture department led a host of municipal, educational, library, and religious projects. We are proud their architectural designs are still facilitating governance, learning, research, and worship across our region to this day.

Artist's rendering of the Fulton Elementary School in Toledo Ohio

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1968

University Projects

Many universities embraced modernist designs reflecting a new age of innovation. Notably, DGL completed the design of Bowling Green State University’s new computer center, helping create Ohio's first dedicated Computer Science Department.

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University Projects

1960

Caltec Hits its Stride

Caltec, Inc. supported regional firms, including Lathrop Corp. by providing computerized Critical Path Method (CPM) models to improve project timelines and support other novel ventures, like optimizing a bologna recipe to create a stable pricing model.

Two men standing with the IBM G15 computer

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1960

Parks and Recreation Work

Parks and recreation became a major niche at our firm with multiple projects completed for outdoor leisure activities, such as numerous pleasure craft marinas and boat launches for the Ohio Department of Natural Resources.

Artist's rendering of the Walbridge Park Marina in Toledo Ohio

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1961

Fall-Out Shelter Survey

With the fear of nuclear war, DGL was awarded a United States Army contract to conduct a fallout shelter survey in eight northwestern Ohio counties, including Fulton, Defiance, Henry, Paulding, Van Wert, Williams, Putnam, and Allen.

Newspaper clipping that reads - "Public Building Fall-Out Shelter Survey Started"

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1970s

1976

Major Milestones

At the time of DGL's 50th anniversary, the firm had completed the design of more than 3,000 buildings and bridges, and over 200 miles of roadway.

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Major Milestones

1976

50 Year Anniversary

DGL celebrated 50 years in business during America's Bicentennial. In celebration, the partners published a position paper in support of a downtown renaissance in Toledo. Their predictions are still being reaffirmed 50 years later.

50th Anniversary Photo

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1973

Final In-House Architecture Project

The Juvenile Court Center at the Wood County Courthouse was recorded as DGL’s last in-house architectural project. Since then, DGL has partnered with architectural firms to successfully deliver countless projects.

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Final In-House Architecture Project

1977

Dansard Grohnke Long

The firm was renamed Dansard, Grohnke, and Long, Limited to reflect the new partnership. To this day, DGL resembles the firm they operated with a focus on civil engineering, surveying, and construction management services.

Historic DGL Logo with red background

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1974

Final Glass Plant Design

Our final glass plant site design project was a float glass manufacturing facility in Venezuela, completed in collaboration with Toledo Engineering Co., a globally recognized leader in glass plant engineering and construction.

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Final Glass Plant Design

1970

Caltec Hits 5,000 Projects

By the 1970s, Caltec, Inc. had completed more than 5,000 projects. In the 1980s, DGL became an early adopter of personal computers, ushering in a new era of computational capability and bringing the standalone role of Caltec to a close.

Newspaper headline reads - "Saunders Electric Building Sold to Caltec, Inc.

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1980s

1985

Desktop Computing

Just as we embraced computer technology two decades earlier, our firm became an early adopter of desktop computers.

Desktop Computing setup with robotic total station

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1980

Expansion, Rehabilitation, and Optimization

As infrastructure constructed during the United States’ postwar “build everything” era began to age, civil engineering firms adapted to meet the evolving needs of their clients. During this period, demand for bridge inspection services increased dramatically.

Central Parkway Bridge over Conrail

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1983

Future Leaders Welcomed

Scot Morehouse (1983), Rick McGuckin (1985), and Laurie Adams (1986) joined the firm. Each of them would go on to become partners.

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Future Leaders Welcomed

1982

The Double Dip Recession

The early 1980s were marked by a weak economy and delayed or cancelled private projects.

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The Double Dip Recession

1989

New Kind of Interchange

Our largest roadway project of the decade, the I-75 and US-6 interchange was designed and constructed utilizing a modified diamond design.

Modified diamond I75 and US 6 Interchange

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1982

Resort and Campus Projects

Many site engineering projects shared the common theme of being resort or campus-based, including the Medical College of Ohio Toledo Campus, Toledo Festival Marketplace, Maumee Bay State Park, and more.

UT Medical Campus

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1990s

1999

Ownership Transition

Ken Ducat and Scot Morehouse became partners upon Ben Danard’s retirement. Rick McGuckin and Laurie Adams followed with Russ Grohnke’s retirement. Future partners Ahmed Hamid and Josh O’Neil joined the firm as newly minted engineers.

Partnership photo

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1997

OTIC Third Lane Widening

Decades after DGL helped design the Ohio Turnpike, our firm began construction administration and inspection of the 3rd lane widening project.

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OTIC Third Lane Widening

1990

Emerging Priorities

A growing emphasis on responsible, long-term development led to sustainability and community impact becoming top priorities for clients.

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Emerging Priorities

1990

Intelligent Transportation Systems

Intelligent Transportation Systems (ITS) were an emerging technology, and during the adoption of traffic cameras, coordinated signals, and electronic signage, DGL solidified its reputation as a leader in traffic and safety engineering in Ohio.

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1991

ISTEA

The passage of the Intermodal Surface Transportation Efficiency Act (ISTEA) marked a pivotal change, redefining federal transportation priorities through its emphasis on context-sensitive design, multimodal planning, and community engagement.

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ISTEA

1996

Large Scale Transportation Design Projects

In the 1990s, our largest design contracts included the 30-mile ALL/HAN/WYA-30/30/30 Preliminary Alternatives Study, CR 99 – I-75 Connector, numerous widening projects in Sylvania, and the Millard Avenue bridge project.

Millard Avenue Bridge

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2000s

2000

2D Drafting to 3D Modeling

The 2000s brought about a new way for engineers to work. Adopting fully digital workflows across our disciplines further improved the work we provided our clients.

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2D Drafting to 3D Modeling

2000

The Lifestyle Center

The emergence of lifestyle center development created new opportunities. DGL played an important role in the design of numerous components for the Levis Commons Development, serving the Dillin Corporation.

Levis Commons Townsquare

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2008

Statewide SRTS and Safety Studies Contracts

DGL led the 2007 Safe Routes to School and 2008 Safety Studies statewide task order projects for ODOT, creating opportunities to help make travel safer for all users across the state.

SRTS Crossing Sign

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2008

Renewed Site Engineering Focus

A renewed focus on site design projects helped DGL weather the great depression and brought new work including numerous projects with the Toledo Zoo and projects with Midwest Terminals along with several other industrial clients.

Toledo Zoo Parking Lot Aerial

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2004

Fort to Port

Teaming with local firms, the Mannik & Smith Group and Poggemeyer Design Group, we each completed sections of the Fort to Port Project with DGL's length of roadway stretching from Napoleon to Maumee.

Fort to Port Aerial Map

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2006

Gary Long Steps Down

We owe a debt of gratitude to the original D-G-L (Ben Dansard, Russ Grohnke, and Gary Long) for their inspiration and leadership as we took on growth and expansion in a new decade. Gary stepped down in 2006 and would officially retire in 2012.

Vintage headshot of Gary Long

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Come Back Next Month For More

Sources Cited

Libbey High School stadium, Toledo, Ohio - Toledo Lucas County Public Library Digital Collections

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Anthony Wayne Memorial Bridge, Toledo, Ohio, 1930 - Toledo Lucas County Public Library Digital Collections

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Coca-Cola Bottling Company, Toledo, Ohio [approximately 1938] - Toledo Lucas County Public Library Digital Collections

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Jeeps and Willys Sedans coming off the assembly line, Toledo, Ohio, 1940s - Toledo Lucas County Public Library Digital Collections

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Surface Combustion Corporation, Toledo, Ohio [approximately 1940] - Toledo Lucas County Public Library Digital Collections

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