‍Four decades ago, an entrepreneurial mindset inspired MDR’s formation to meet the need of construction, repair, and upgrade of utility infrastructure across the U.S. We create and foster longstanding relationships by providing exceptional, timely, and skilled service to our partners.

ARS® / Rescue Rooter® is a leading brand of American Residential Services LLC., which provides heating, air conditioning, indoor air quality, plumbing, drain cleaning and sewer line services from company-owned locations across the United States. United by exceptional service, the ARS® / Rescue Rooter® Network serves both residential and light commercial customers. ARS® / Rescue Rooter® provides cooling, heating, and plumbing services with a knowledgeable team of trained specialists who have the professional experience to do any job right – the first time. You can count on our courteous technicians, plumbers, and Comfort Advisors to provide you with exceptional service – 7 days a week. When our employees visit your home, rest assured that they have passed national background and drug tests, and are equipped to provide you with the service you need. We treat you and your property with respect by calling before we arrive at your property, providing an honest, upfront estimate you approve before any work is done, and taking care of your property by using shoe covers and drop cloths as needed.

Since 1969, Barnhart Crane & Rigging has been providing innovative solutions to complex lifting and transportation challenges faced by heavy industry – from power generation to petrochemical to renewable energy, and beyond. Today with 56 branches across the U.S., Barnhart has one of the strongest equipment networks in the nation. Barnhart's network gives customers the flexibility of accessing a nationwide equipment inventory. Because all of the branches are part of the same system, customers are never limited to the equipment at a single location. Each of Barnhart's branches has access to a long list of "cool tools"​ including PSTe Goldhofer trailers, cranes 15 to 1,760 tons, slide systems, strand-jacks, and the Modular Lift Tower. Contact us today and let us find the right tool for you.

ISC is an industrial engineering and construction company specializing in comprehensive electrical, instrumentation and controls solutions. Over 30 years, ISC has grown to employ more than 4,000 associates focused on delivering reliable services with superior safety and quality. Strategically located throughout the Gulf South, ISC has built a strong partnership with global industrial manufacturing leaders by successfully performing on projects of all sizes. ISC has earned national recognition for innovative safety, quality and workforce development programs. This is attributed to our focus on integrity, which drives performance in all areas, especially safety and quality. As a result, ISC has earned more than 35 Associated Builders and Contractors (ABC) National Project of the Year awards, 14 ABC National Safety Excellence awards and 11 Greater Baton Rouge Industry Alliance (GBRIA) Workforce Development Safety Excellence awards.

Bernhard is an energy infrastructure firm headquartered in New Orleans, LA. Founded in 1919, Bernhard’s core services span the US and include engineering, fabrication, construction, asset management, and energy-as-a-service for customers in healthcare, higher education, hospitality, industrial, and other market segments. Bernhard has over 2,200 full-time employees in more than 20 U.S. offices.

The Newtron Group is one of the largest privately owned Specialty Industrial Construction companies in the United States and is among the nation's leading Industrial Electrical and Instrumentation providers. The Newtron Group is one of the largest privately owned Specialty Industrial Construction companies in the United States and is among the nation’s leading Industrial Electrical and Instrumentation providers. We also offer a suite of innovative and customized Analytical, Automation, Heat Trace, Integration and Design solutions for a wide range of industries. From concept to construction, our team can save you time and money providing all these services turn-key. We are one of the few providers who can offer your company this kind of comprehensive solution. With offices across the southeast and west coast, we have performed work across the United States and have established strong partnerships with manufacturers, suppliers and vendors. This enables us to secure the best prices possible and we pass those savings on to our customers. You will not find a more service and quality-oriented partner.

PLUMBERS & STEAMFITTERS LOCAL UNION 52 is a construction company based out of P.O. BOX 211105, MONTGOMERY, Alabama, United States.

Innovation is not happenstance at EnSafe Inc. It's our normal course of business in providing engineering, environment, health & safety, and technology services to clients worldwide. Browse our comprehensive capabilities here and view our office locations. EnSafe prides itself on using creative thinking to develop custom solutions, whether it's developing ground-breaking technologies for environmental remediation, interpreting regulatory requirements for our clients'​ benefit, doing turnkey remediation services, using ergonomics studies to increase productivity, tailoring computer applications to clients'​ needs, or communicating with clients creatively using web-based applications. EnSafe's diverse professionals develop innovative approaches that can be either low-tech or high-tech, depending on the client's unique situation. "We hire people with expertise and talent, putting them together with other professionals from diverse areas, and we then encourage them to cross their traditional boundaries so that their solutions have a broader perspective than might otherwise occur,"​ Coop says. EnSafe continues to diversify both in practice and geographic reach through the growth of its ergonomics/safety engineering services, focusing on productivity enhancement rather than compliance, and its remedial construction arm, GR2, LLC, which manages clients'​ environmental liability on a turnkey basis. EnSafe has proven ability to respond worldwide, having worked in more than 40 countries. EnSafe's vision is to continue to grow and innovate in the course of serving clients'​ needs, even the most challenging ones. In EnSafe's view, where there is challenge, there is opportunity. And innovation is not happenstance; it's business as usual.

Since our inception in 1973, Cajun has spent decades honing its competency in civil, deep foundations and mechanical services. As the company has grown, so too has its core competencies. Today, we are a nationally recognized construction leader providing fully integrated self-performed EPC (Engineering, Procurement, and Construction) services to some of the largest and most renowned companies in the world. Our construction driven EPC approach has proven to increase productivity, quality, and safety. Cajun Industries provides turnkey services for all industries, or clients can choose only the competencies needed to meet the specifics of a single job. No matter how your company engages Cajun’s core competencies, you can rely on our experienced team. For information about job opportunities at Cajun call either our Baton Rouge Area Hiring Center: 225.754.0275 and 800.865.7127 or Houston Area Hiring Center 281.680.1490

BD OF TRUSTEES SHEET METAL WORKERS' NATIONAL PENSION FUND is a construction company based out of 8403 ARLINGTON BLVD, Fairfax, Virginia, United States.

EXCEL is a leading provider of industrial construction services, including maintenance, turnarounds, fabrication, and disaster recovery. For nearly 40 years, we have focused on building long-term relationships with our customers, establishing ourselves as one of the most trusted providers in the industry. We serve clients in both the industrial and manufacturing sectors, as well as governmental agencies, offering turnkey solutions designed to maximize value. Our vertically integrated services are crafted to address even the most complex challenges, supported by an experienced project management team dedicated to delivering innovative and practical solutions. EXCEL is renowned for its exemplary safety record, high-quality work, and consistent reliability. We aim to exceed expectations by leveraging a highly skilled workforce, cutting-edge technology, and advanced systems to ensure projects are completed on time and within budget. Safety is a core value at EXCEL, deeply embedded in our culture. Our professional team of well-trained employees enhances productivity and reduces costs while maintaining one of the industry's most impressive safety records. We are committed to utilizing innovative systems and practical solutions to deliver projects with no recordable incidents, ensuring client satisfaction and project success every time.

AGC of Mississippi was chartered by AGC of America in April of 1946. The Association merged with the Mississippi Gulf Coast Chapter and became a state-wide organization in 1972. Our membership is comprised of the State’s leading general contractors, municipal utility contractors, road and bridge builders, specialty contractors, suppliers and industry members. These member firms are engaged in the construction of commercial buildings, shopping centers, factories, warehouses, highways, bridges, tunnels, airports, water works facilities, multi-family housing projects, site preparation and utilities.