Flippo Construction Company, Inc. is a 100% Employee-Owned, general and heavy civil construction contractor located in Forestville, MD. Flippo has been building infrastructure projects in Washington DC, Northern Virginia, and Maryland for over 50 years. Flippo specializes in underground utility construction/repair and bridge construction. Flippo is a diverse and inclusive organization with a “team” culture fueled by our employee-owners.

Curtis Contracting, Inc., is a vertically integrated, heavy civil construction company and material supplier located in the Central Virginia market. Curtis Contracting, Inc. is separated into multiple divisions including the Building/ Federal Division, Civil Division, Maintenance Division, and Asphalt Paving Division. As a prime contractor, Curtis Contracting, Inc.’s work history includes a full range of diverse construction projects. Curtis Contracting, Inc. has extensive design-build experience and prefers to pursue project solicitations that recognize safety, quality, environmental stewardship, and performance as the major factors in the contract award criteria. Curtis Contracting, Inc. has a large equipment fleet and self performs all aspects of construction management, site work, utilities, demolition, heavy highway, pipe/culvert rehabilitation, Guardrail, Sign structures and Maintenance tasks. Curtis Contracting, Inc. is an equal opportunity employer, committed to a diverse workforce (Minority/Female/ Protected Veterans/Disabled).

Kelly Generator & Equipment, Inc. (KGE), established in 1992 and Kelly Generator & Equipment of PA & WV, Inc., (KGE of PA & WV) in 2012, is the Mid Atlantic distributor for Generac Power Systems. KGE and KGE of PA & WV is a coordinated rapid response organization, known for quality of service and the reliability of the generators sold, serviced and rented. KGE and KGE of PA & WV is distinguished from the competition because of their prime focus on power generation. This focus makes KGE and KGE of PA & WV uniquely qualified to provide service, offer training for mission critical industrial/commercial and residential power generation solutions. KGE and KGE of PA & WV offers gas and diesel standby power solutions ranging from 7kW to 9MW, specializing in modular power and offerings of Bi-Fuel. KGE and KGE of PA & WV also rent diesel generators as small as 20kW with paralleling capabilities as large as 3.5MW and load banks of all sizes, resistive and reactive. WE OFFER SALES, SERVICE, PARTS, RENTALS & TRAINING

D & F Construction has been providing high-quality, efficient, and cost effective services to our customers all throughout the Maryland, Northern Virginia, and Washington, DC for the past 40 years. With a primary focus on site development, utility services, and roadway construction, our experienced and trained personnel are prepared and fully equipped to provide a variety of services to satisfy your site development needs.

Atlantic Contracting & Material Co, Inc. is a general contractor serving the Washington Metropolitan Area, specializing in heavy and highway construction throughout the Mid-Atlantic. We are proud to have been part of the development of many of the region's most notable public and privately owned construction projects. We have helped the regional landscape through many area projects in both a general contractor and subcontractor capacity.

Founded in 1987 by James C. McReady III, his father James C. McReady Jr., and Robert Bryant, JCM Associates, Inc. quickly established itself as an industry leader. An entrepreneurial spirit, hard work and a passion for the mechanical trade has guided JCM’s growth. 30 years later, JCM is one of the most respected and sought after Mechanical Contractors in the Washington, DC Metro area. Openings its doors with only three employees and a master plan, the company has grown to over 300 dedicated men and women. These employees are select individuals who believe in commitment, leadership and quality service for JCM’s customers. Office Buildings to Mixed Use Residential, Laboratories to College Dormitories, Data Centers to Hospitals, JCM is able to handle ANY large-scale commercial construction endeavor. JCM Associates, Inc. provides mechanical services throughout the Washington DC Metropolitan area. We take pride in every project we take on and strive to communicate and accomplish the goals each one of our clients sets out to achieve. These services include new construction, renovation and maintenance of HVAC and Plumbing systems for plan-spec, design-build and design-assist commercial and high-rise residential buildings. JCM’s mission can be summarized into one phrase “Culture of Cooperation”. JCM is recognized as a collaborative partner and dependable team member always promoting positive leadership to achieve project success. Employees, clients and subcontractors are selected based on the principals of integrity, trust and commitment to this mission. We utilize the passion for what we do and the most up to date planning as well as construction techniques to help us be successful. The flexibility to adapt to market changes and our quest to be at the cutting edge of technology make us the Mechanical Industry Leader.

We specialize in commercial excavation with more than 100 pieces of equipment and over 80 employees. We also deliver aggregate materials to both residential and commercial customers.

Celebrating our 48th year in business! Charles P. Johnson & Associates, Inc. (CPJ) is a full-service civil engineering firm providing quality Land Planning, Civil and Environmental Engineering, and Surveying Services to the public and private sector since 1971. Our tenured staff brings over 200 years of combined expertise to your project so you have peace of mind that we'll be there from start to finish, making sure you are satisfied throughout the project. CPJ’S client-focused culture demands we provide the highest level of customer service, superior products, and prompt delivery. From our mixed-use development of Clarksburg Village in Montgomery County, MD, to our gated community of Oak Creek in Prince George’s County, MD, our legacy projects showcase our expertise. For almost 50 years, our trusted partners and clients rely on us to get the job done -- on time and within budget -- with innovative approaches to problem solving and state-of-the-art technology. Our services are backed by a commitment to excellence that is bar none. With five offices strategically located around the Beltway, we’re able to deliver large-scale projects using our local expertise and trusted relationships in the community. Our motto is “Crafting a Shared Vision of Success,” and our award-winning clients trust and depend on us to deliver. Let us help you meet your success targets! Annapolis | Frederick | Gaithersburg | Greenbelt | Silver Spring | Fairfax, Virginia *We are certified as a Prince George's County, MD "County-located"​ business*

VINCI Construction Grands Projets USA is a subsidiary of VINCI Construction Grands Projets, located in Alexandria, Virginia, USA. The scope of the company is to design and build major civil engineering structures and projects, through our company’s high level of expertise, engineering skills, and expert project management abilities. We focus on projects for which we can bring clear and strong added value by providing highly skilled and competitive professional service in the construction field.

BROOKBANK CORE DRILLING & SAWING INC is a company based out of 26500 N SANDGATES RD, Mechanicsville, Maryland, United States.

SOUTHERN MARYLAND FLOOR COMPANY is a Flooring company based out of 10505 THEODORE GREEN BLVD, White Plains, Maryland, United States.

Morgan E. Russell Excavating and Hauling.