AC Miller

A.C. Miller Concrete Products has been providing Quality Pre Cast Products to the Utility and private sector for over 50 years.

NPCA Certified Plant

ADS Pipe

Advanced Drainage Systems, Inc., (NYSE: WMS) (ADS) is the world’s largest producer of high performance thermoplastic corrugated  pipe, providing a comprehensive suite of water management products and superior drainage solutions for use in the construction and infrastructure marketplace.  Its innovative products are used across a broad range of end markets and applications, including non-residential, residential, agriculture and infrastructure applications.  The company has established a leading position in many of these end markets by leveraging its national sales and distribution platform, its overall product breadth and scale and its manufacturing excellence.  Founded in 1966, the company operates a global network of 61 manufacturing plants and 29 distribution centers. In addition to its flagship N-12® pipe, and HP Sanitary and Storm pipe, the company offers a complete line of fittings and other accessories including StormTech® storm water chambers, Nyloplast® drainage structures, INSERTA TEE®, storm water treatment units and various geotextiles. To learn more about ADS, visit

 Aggregate Industries



AM-Liner East

 American Shoring

Anchor Construction

Incorporated since 1985 and headquartered in the District of Columbia, Anchor Construction Corporation has excelled at and specializes in all facets of Site Work including Utility Work (sanitary sewers, storm drain, water mains, communication and power duck bank systems) and Roadway/Bridges Constructions. We are a licensed and bonded DC CBE contractor serving the Washington Metropolitan area. Anchor‘s goal is to be your “Firm of Choice”.  See the Anchor website for more information:

Archer Western Construction

Aronson LLC

Recognized as a Top 100 National Accounting Firm, Aronson’s Construction & Real Estate experts have been providing turnkey accounting and business consulting solutions tailored to the construction industry for over 55 years.  Aronson is a privately controlled regional accounting firm dedicated to serving clients located in Maryland, DC and Virginia

Arthur J. Gallagher & Co.

Asmar, Schor and McKenna

Aves Construction

B. Frank Joy

B. Frank Joy, LLC, a Veteran Owned Small Business, provides the installation, maintenance and rehabilitation to underground infrastructure for both the public and private industries.  For more information or to contact us, visit our website at

Badger Daylighting

Badger Daylighting ™ is the industry leader in non­-destructive hydro excavation services. Since 1992, Badger has been innovating cutting-edge technology and providing services to a diverse customer base including oil and gas, energy, industrial, construction, transportation and other markets, as well as numerous government agencies within Canada and the United States.

For more than 25 years, Badger has been committed to creatively solving our clients infrastructure needs and challenges by delivering a safe and reliable service.

Beltsville Construction Supply


CNA Surety

Casco Group LLC

  • Stormwater Management (Bioretention Structures) Erosion Controls Top End Utility Adjustments Trench Excavation Ductbanks Concrete Flatwork and Structures Masonry Repairs Steel Fabrication and Erection Interior/Exterior Renovations Painting and Other Custom Coatings Equipment Pad Enclosures

Clearsite Industrial

Concrete Pipe and Precast

Core and Main

Core and Main (Formerly HD Supply Waterworks) distributes complete lines of water and wastewater transmission products, serving contractors and municipalities in the water and wastewater industries for residential and non-residential uses. Whatever the project — from water and sewer line installation, storm water retention systems and water/wastewater treatment plant construction to fire protection equipment and fusible piping — Core and Main offers a full array of capabilities to serve our customers.

Corinthian Contractors

Corinthian Contractors Inc. has been successfully in business since 1999 as a self-performing General Contractor in Heavy Civil, Highway, Sewer, Water, Tunnel and Base Building. General construction and subcontracting makes up our core business. Over the years we have been involved with some of the region’s most prestigious and challenging projects, earning a reputation for excellence in safety, competitive pricing, performance and quality work.

Corman Construction

CW & Sons Infrastructure

Founded in 2009, CW & Sons Infrastructure, Inc. is an underground utility company serving DC, Maryland and Virginia. We specialize in the installation and maintenance of conduit, manholes, box tunnels and streetlights for public and private sectors. CW & Sons is a PEPCO “Contractor of Choice”. We also offer a civil package for General Contractors in new construction of facilities. CW & Sons “Full Civil Package” gives us the ability to perform all of the civil infrastructure needed for new construction. This allows us to better serve the GC by performing activities such as mass excavation, grading, asphalt, concrete (curb & gutter, road base, entrance ramps, sidewalks), site maintenance, storm water management, water, sewer, communications, underground electric conduits & vaults. We also perform emergency excavation and utility repairs.  Visit us at

D.C. Materials

DC Water

Doosan Equipment

Dynamic Concepts (DCI)

Eagle Bank


Elements 27

Elliot and Frantz

Ferguson Enterprises

Flippo Construction Company

Flippo Construction Company, Inc. (FCCI) is a second-generation employee owned and operated general and heavy construction business operating primarily in the metropolitan Washington D.C., Baltimore and Richmond corridor. The Company was founded in 1971 by B. Earl Flippo and in our years of operation has grown from a small utility contractor to a major player in our area’s heavy construction industry.
MISSION STATEMENT: To continue building and developing a profitable, safety conscious, employee owned construction company, that provides a quality product with pride, improves and challenges its employees, andcontributes to their communities.
Safe, Productive, Quality Jobs with Pride!
We believe strongly in both our motto and our mission statement, hence the reason for its prominent display on our equipment and facilities. Our team concept of management is successful because our people understand that their contributions are fully recognized and rewarded. Our concern for their safety as well as having the best resources available for the professional completion of our projects is paramount in management’s oversight of the company’s progress. Our Human Resources Department plays a major roll in obtaining the best qualified people, training them and looking out for their safety through constant evaluations of our field operations and job sites.
Our firm has three major areas of expertise: Service, Utilities and Heavy Construction. As you look at our company profile, you will discover how each of these areas serve very specific needs and services for our valued customers and clients.
We are proud of our company, its’ employees, and our past performance.
We look forward to a successful future, together.
See the Flippo website for more  information:

Fort Myer Construction

Garney Construction

Gillespie Precast

Goldin and Stafford

Hobas Pipe

Hydrochem PSC

Independence Excavating

Independence Excavating, Inc. (IX) is a recognized industry leader in challenging, fast tracked site development/redevelopment, demolition, heavy industrial applications, environmental solutions and concrete crushing.  Founded in 1956 by the DiGeronimo family, Independence Excavating has earned a solid reputation of safety excellence, honesty, integrity and outstanding performance.  We are excited about our expansion into the Mid-Atlantic region and look forward to proving the same superior service our clients have come to know over the last 60 years.    Visit us at

Inland Pipe Rehabilitation



Insight is a full service utility locating, vacuum excavation and pipe inspection company providing immediate availability on projects of any size and complexity.   Insight provides prompt, efficient utility locating and mapping solutions to engineering firms, commercial construction companies and land developers in the District, Maryland and Virginia.

Insight has one of the area’s largest fleets equipped with the most advanced technology.  Our team has contributed to the successful completion of several high profile projects across all market sectors, private and public. Our staff has been locating and mapping the underground utilities in the District, Maryland and Virginia for over 20 years and has developed a unique understanding of our ever changing and complex utility infrastructure.   Insight shares that knowledge with its clients, helping save time and money.

Insurance Associates

We’re a locally-based firm that has been advising and protecting clients for over 58 years. We help them secure the right insurance, bonds, and employee benefits.  We work with clients in all industries, but our expertise and experience in the Construction Industry is “2nd to none”.   Clients stick with us because they value the many extra services we routinely provide and we earn your trust and confidence as your business advisors every day.

J. Fletcher Creamer


Since 1972, JESCO has been building long-term relationships with contractors and municipalities through the region by supplying them with a wide range of quality construction equipment.  JESCO is one of the most respected John Deere Construction Equipment dealers in the country. We treat our customers with respect and go out of our way to service their businesses as if they were our own.  With one of the most extensive equipment offerings and one of the largest rental fleets in the area, a massive parts inventory and a full fleet of service vehicles, JESCO is always ready to meet the needs of its loyal and growing customer base.

Kalos Construction

Kirila Earthworks

L/B Water

Mabey Inc. (Now Sunbelt Rentals)

Martins Construction Corp

See the Martins Website for more information:

Metro Bobcat

Metro Paving Corporation

Midwest Mole

Midwest Mole is a national trenchless contractor focusing on all facets of trenchless construction including auger boring, pipe jacking, horizontal directional drilling, and pipe rehabilitation.

Let us be a partner on your next project.

Miss Utility/District One Call
National Trench Safety
R.B. Hinkle

Recycled Aggregates/REAGG

REAGG helps you meet the challenging specifications for aggregates with your clients. We have a diverse product availability. From Soils, Boulders and Rip Rap to River Cobble, Sand Gravel, washed aggregates – Double and triple. We also can meet your needs for special scheduling and disposal.  By choosing REAGG as your construction aggregate partner, you invest in the success of your project.  We create value for our customers by applying our aggregate knowledge and expertise to provide solutions to tackle unique jobsite and project issues.

Ritchie Brothers
SAK Construction

SAK Construction is one of the fastest-growing, privately held pipeline rehabilitation and tunneling contractors in the U.S. today. Founded in 2006 by a seasoned team of experts in underground construction and trenchless technology, the company focuses on helping clients nationwide identify the most cost-effective solutions to the many operational, regulatory and environmental problems associated with deteriorating sanitary and storm sewers.”

Senate Asphalt/Virginia Paving
Shirley Contracting

Smith and Sons


Smith & Sons, LLC (SSLLC) strives to be the one site utilities company in Washington, DC that is recognized by the local construction industry as a Certified Business Enterprise (CBE) company that goes the extra mile to complete its tasks safely, on time and with little or no negative impact to the environment.

Description of Company*

SSLLC is a Washington, DC, home-grown construction company, incorporated in 2010. As of our incorporation, we specialize in two areas: site utilities – the installation of underground plumbing i.e. sewer lines domestic water lines, fire suppression lines and storm water drain lines; facilities maintenance – installation and upkeep of HVAC systems, electrical, plumbing, roofing, windows and doors in commercial environments.

Description of Differentiation*

What sets SSLLC apart from the many other CBE construction companies in Washington, DC is that we have the distinction of being the only US Department Housing and Urban Development (HUD) certified Section-III site utilities company in town. Section-III is a HUD set-aside program to give qualified companies the opportunities to compete in HUD finance-guaranteed construction projects.

Sunbelt Rentals, Inc.

Support of Excavation

Taylor Oil

The Blue Book
The Bulldog Group, LLC

Trench Tech Shoring Solutions

United Rentals Trench Safety

United Rentals Trench Safety will help you find a customized, cost-effective solution for your specific excavation needs. From experienced in-house Registered Professional Engineers (RPEs) who help design your plans, to 24/7 rapid onsite repairs, to your own dedicated account manager, we partner with you every step of the way to ensure your operations run smoothly and safely. Call us to schedule training! As the nation’s largest provider of trench safety training programs, our instructors have real trench experience and know the local, state, provincial and federal regulatory issues that affect your job site.

Washington Air Compressor Rental Co.

Washington Air Compressor Rental Co., a family owned and operated business since 1931, with five locations throughout the Washington Metropolitan area, provides quality products for sale and rental, with and without operators, and reliable services for our customers’ needs.

As we have continued to grow, our commitment to the employees has remained our top priority. Having quality staff enables us to continue to give the customer the attention needed to maintain the higher standards required to conduct good business practices in today’s environment.  Website:

Washington Gas

Washington WinWater

Your source for quality Water, Sewer & Storm Drain products and supplies by the best brands in the industry. Washington Winwater proudly offers products by the best brands in the industry to our professionals whom range from corporations to distinguished local business owners. From A.Y. McDonald to Clow Valve, we carry it all.

If you’re looking for quality parts and top notch service from professionals in the industry, give us a call. Our team knows your industry and can answer any of your questions.  At Washington Winwater, we’re “Pros Like You,” ready to provide you with the best products in the industry.


Watt, Teider, Hoffar & Fitzgerald

In 40 years we’ve grown from a boutique law firm to twice being named the Leading Construction Law Firm in the United States by Chambers & Partners and developing a substantial international practice. As we enter our fifth decade, Watt Tieder has more than two dozen partners with 20-plus years of legal experience in the construction, surety and government contracts industries, and we look forward to continuing our strong relationships with our clients and our legacy of excellence.

Watt Tieder has represented clients in courts, arbitration and in administrative forums throughout the United States and internationally. The firm and many of its lawyers have been honored by such publications as Chambers & Partners, Best Lawyers, Super Lawyers and Legal 500. The firm has twice been recognized as the top construction law firm in the United States by Chambers and Partners


WhiteCap / HD Supply
Xylem, Inc.