ABOUT US
Our Vision is Simple: Navigate Tomorrow’s Challenges Today
Nothing is more important to us than delivering forward-thinking, innovative, and sustainable strategies to our clients.
It’s a commitment that rests not only on our ability to bring the expertise needed right now but also on our ability to foresee and prepare for the expertise that will be needed in the future.
In this way, we make taking on the next civil engineering challenge a daily discipline, one we practice by:
-
- Striking a balance between the realities of growth and the needs of the environment
- Staying proactive and working toward positive change
- Taking a leadership role in shaping projects, process, regulation, and industry
- Sharing knowledge and expertise to the benefit of all parties, including the broader community
Our History
1980
Happening in…
Soltesz

Loiederman Associates, Inc. (LAI) is established.
The World…

The first 24 hour news channel Cable News Network (CNN) is launched.
1985
Happening in…
Soltesz

Loiederman Associates, Inc. (LAI) opened its first satellite office in Prince George’s County.
The World…

Maryland began an environmental program to clean up the Chesapeake Bay.
1990
Happening in…
Soltesz

Jim Soltesz joins the firm, who eventually becomes the company namesake.
The World…

The Hubble Space Telescope was carried into orbit.
1995
Happening in…
Soltesz

The firm acquired Cooksey, Jenkins & Associates in Charles County expanding its reach to Southern Maryland.
The World…

Annapolis celebrated its 300-year anniversary as the capital of Maryland.
1997
Happening in…
Soltesz

Loiederman Associates, Inc. (LAI) commenced engineering work on East Coast’s largest hospitality and entertainment resort, National Harbor.
The World…

MCI Center (now Capital One Arena) opened in Washington, DC.
2000
Happening in…
Soltesz

To reflect an ownership change, the firm is rebranded and renamed Loiederman Soltesz Associates, Inc. (LSA).
The World…

The United States wins 93 medals at the 2000 Summer Olympics held in Sydney, Australia.
2005
Happening in…
Soltesz

Loiederman Soltesz Associates, Inc. celebrated its 25th Anniversary.
The World…

The Washington Nationals began their inaugural season.
2009
Happening in…
Soltesz

Loiederman Soltesz Associates, Inc. continued to diversify project portfolio with the beginning of the project at Coast Guard Headquarters.
The World…

Barack Obama was inaugurated as the first African American President of the United States.
2013
Happening in…
Soltesz

Based on growing optimism correlating with economic recovery, LSA launches their new brand, including the new name – Soltesz.
The World…

US economic growth accelerated to an annual rate of 2.5 percent from January through March, buoyed by the strongest consumer spending in more than two years.
2015
Happening in…
Soltesz

Soltesz celebrates 35 years of providing civil engineering services to the Washington Metropolitan Area.
The World…

Windows 10 is released by Microsoft.
2018

As a key member of the CleanWater Partnership team, Soltesz has helped deliver 2000-acres worth of credits towards the Municipal Separate Storm Sewer System (MS4) permit compliance requirements for the benefit of Prince George’s County. Muirkirk pond was a significant individual project within the program. Soltesz identified the opportunity, determined the credit, obtained the landowner permission, designed and permitted the pond, while delivering the project on time and within budget. Projects like Muirkirk were identified across the County and have been a key element of MS4 CleanWater Partnership initiative, an innovative Public-Private Partnership approach to the success of the Prince George’s County requirements that are managed and led by Corvias Solutions.
2020
Happening in…
Soltesz

Soltesz celebrates its 40th Anniversary
in March of 2020.
The World…

NASA launches the Mars 2020 mission with its Perseverance rover as part of NASA’s Mars Exploration Program to answer questions about the potential for life on Mars.
Locations
Soltesz spans six offices strategically located throughout Washington, DC’s metropolitan area and Southern Maryland. We support both state and local projects in local jurisdictions including Montgomery County, Frederick County, Prince George’s County, Charles County, and St. Mary’s County.
Connect with our local experts:
Rockville
Lanham
Waldorf
Leonardtown
Washington, DC
Frederick
People Testimonials Community Involvement Awards