Cianbro is one of the United States’ largest, most diverse, successful, open shop, 100% employee-owned construction and construction services companies. Presently operating in more than 40 states and employing over 4,000 team members, Cianbro manages and self-performs civil, structural, mechanical, electrical, instrumentation, telecommunications, thermal, fabrication, and coating. Throughout our 70-year history, Cianbro has safely and efficiently planned, managed, and constructed many technically complex, historic, and environmentally sensitive projects for a wide variety of public and private clients. A total commitment to safety combined with the enthusiasm of an innovative team of construction professionals, has enabled Cianbro to build a durable reputation for completing projects safely, on schedule, and within budget.

SC is a multi-strategy investment firm that specializes in consumer, sports and entertainment, and hospitality. Led by entrepreneurs, SC brings an operator-driven approach to partnerships with market leading brands and platforms.

Sargent Corporation is an employee owned earthwork construction company that traces our beginning to 1926 in Alton, Maine. Today, our nearly 400 employees work in seven states, specializing in commercial, industrial and institutional site preparation, landfill construction, utility projects, airports, athletic facilities and wind power access. We are led by a field management team boasting over one thousand years of combined experience. At Sargent Corporation, we use the latest technological resources available, a commitment to the equipment we operate, and a perpetual attention to detail. Our mission is to be the most efficient and effective contractor on the planet – and to do things better than they’ve ever been done before. With operations in Northern New England and the Mid-Atlantic states, you can count on our team to meet the demanding technical challenges of your next heavy earthwork project and to produce world class results. Our company is dedicated to providing exceptional quality, ingenuity and service to our clients. We look forward to continuing our uncommon drive to participate in the community and contribute to the growth and development of the people we serve. We are one of the fastest growing companies in our industry and we are the foundations of your roads, runways, wind power and so much more. Our success is in the dirt. At Sargent Corporation, we will never stop honing our craft. That’s what earth moving excellence is all about.

SPS New England, Inc. provides heavy construction, bridge repair and maintenance services, and design-build services to municipal and state clients throughout New England. As a leading contractor, SPS New England brings more than 25 years of experience and a reputation of excellence to the industry. A combination of management expertise, a high quality workforce and workmanship, a philosophy of safety first, and delivery of projects on time and on budget are what sets SPS apart from industry peers. SPS New England's Heavy Highway Division is responsible for some of the most prominent and complex projects in the region, including the rehabilitation of the Fall River Government Center over I-195, the Commerce Way Interchange in Woburn, Massachusetts, the I-495 Interchange in Lawrence, Massachusetts, and the Route 128 Canton, Dedham, Westwood, Massachusetts Interchange. The Company's Design-Build Division embraces the initiative to find better, faster and smarter ways to build projects. SPS recently completed several historic and time-sensitive accelerated bridge projects in Massachusetts with an "every day counts"​ philosophy:"​ the Pleasant Street Bridge Project in Grafton and the first-ever heavy lift bridge project on Rt. 2 in Phillipston. SPS New England's core values insist on a relentless pursuit of customer satisfaction, maintaining business integrity, hiring talented people, being committed to our employees, and giving back to the community.

Reed & Reed is a heavy civil General Contractor located in Woolwich, Maine. We perform work throughout New England focusing on bridges, wind power, marine work, pile driving and parking garages! We're an innovative group always looking to improve instructure and provide great jobs and benefits.

Continental Paving is a machinery company based out of 1334 Hooksett Rd, Hooksett, New Hampshire, United States.

Founded in 1987, NEL Corporation is a Massachusetts based General Contractor specializing in bridge, site, marine, concrete and facilities construction. Our emphasis is on the rehabilitation and maintenance of existing structures. We have a solid reputation for quality work, safe working conditions and professional management and we honor our commitment to quality workmanship.

Shaw Brothers began with two brothers, two employees, one backhoe and a handshake—and it began with the same principles that it lives by today: work hard, satisfy the customer, and respect the people you work with. Since then Shaw Brothers Construction has grown into one of Southern Maine’s largest earthwork contractors, with more than 200 employees and hundreds of pieces of equipment. Having completed thousands commercial projects ranging from $5 thousand to $15 million and spanning a roughly 100-mile radius around Portland, Maine, Jon and Dan continue to schedule and direct day-to-day operations.

Prock Marine Company is a construction company based out of United States.

R.J. Grondin & Sons is a third generation, family owned earth moving business located in Gorham, Maine, with operations in Southern and Central Maine. The company, which was once a successful dairy farm business in the late 1950s, has evolved into one of the premier construction companies in Northern New England.

Ingenuity, Integrity, and Passion. These three qualities drive everything that RLC sets out to do as we plan, design, and engineer facilities that meet our clients’ financial, technical, and scheduling goals. We provide our customers with reliable engineering, planning and design to accommodate the energy demands of today’s ever-changing world. Our Team RLC’s team of more than 100 technical professionals encompass the expertise to efficiently plan, design, and engineer for the Power and Utility industries. Through our team’s veteran leadership, we have the knowledge and experience to solve any engineering challenges that come our way. Passion is what drives us and we use this passion to creatively and quickly solve technical barriers. Our Clients RLC seeks to serve with excellence as we deliver creative, cost-effective solutions for our clients. We are passionate about determining our clients’ exact needs and then delivering efficiently. We have had the privilege to work with utilities, independent system operators, and developers all across the Northeast, Canadian Maritimes, and beyond. Several of our clients include Avangrid, Eversource Energy, ISO-New England, National Grid, New York Independent System Operator, and Patriot Renewables. Our Projects RLC has provided system planning and engineering studies for Central Maine Power Company’s Maine Power Reliability Program (MPRP), playing a significant role in the planning and construction sequence for MPRP proposed substation and transmission improvements. We have also provided design, management and construction oversight for more than 30 wind and solar power projects across the US and Canada. RLC continues to expand its system protection group and design service offerings.

Crooker Construction, LLC is one of Maine’s most experienced earthwork, utility, and paving contractors. Since the mid 1930’s Crooker has been providing superior construction services throughout the Mid-Coast region, building our reputation as efficient, reliable and dedicated to our customers. Started in 1935, Crooker has transitioned from one man and a shovel to the construction industry leader we are today. In 2014 the ownership changed hands from Harry C. Crooker and Sons, Inc. to Crooker Construction, LLC, now led by President and CEO Tom Sturgeon. Tom was the Chief Engineer for 26 years and has been using his industry experience to grow Crooker to the 250-employee company we are today. Our most valuable resource is our people. We have a highly skilled local labor force, many who have 20, 30 or even 40 years’ experience in the industry. These leaders are always training the next generation, as we believe internal training is essential. We also have borrow pits, quarries, and the latest equipment necessary to provide our clients with superior service. Crooker is also a leader in community involvement. We support charitable organizations and programs such as Big Brothers Big Sisters of Bath/Brunswick, Midcoast Hospital, Maine Maritime Museum and many regional school districts and sporting programs. Giving back and supporting our community has always been a priority.