Penn Line is a solid mid-market contractor with diverse operations united by a single concept. Whether it's the power grid, pipelines, roads and bridges or "poles and wires,"​ we keep things that matter connected to the people and places they matter to. It's what we've done for over 70 years. The spirit of our business philosophy, the “fair dealing and good work” prescribed by our founders generations ago, cuts across all four business segments. We believe in creating lasting customer relationships based on the quality and integrity of our work. Period

Improving the health of West Virginians and all we serve through excellence in patient care, research, and education.

alpscontrols.com is the leading online marketplace for building automation control parts and peripherals, dedicated to serving building automation control contractors and integrators – it’s the easiest way for building automation and control contractors to buy parts and peripherals online. We provide control contractors with an unequaled package of service, selection, convenience, productivity, and price through our non-stocking, transactional distributor business model enabled by our highly intuitive and powerful website. With over 140 million products from 120+ manufacturers, alpscontrols.com is now the established market leader in the Americas.

Westmoreland Electric is the leading choice for all your electrical projects. You will get the Quality you deserve, the Innovation you need and the Excellence you should expect!

R. G. Johnson Company, Inc. is a mining & metals company based out of 25 S College St, Washington, PA, United States.

By coupling innovative thought with calculated, collaborative execution, we have successfully solved for and implemented some of the most technically challenging projects in the Eastern United States, and become leaders in the electrical and technological design & construction industries.

Founded in 1971, Elk Air Conditioning and Heating has always held safety, quality, and value at its core. As we have grown, these values have remained essential to everything we do. The most important part of maintaining this mindset lies in the Elk Air family, where fostering a professional and caring environment is foundational to all of our work. We believe that the highest quality work should not equate to paying the highest possible prices. At Elk Air, putting our values and premier work at the forefront of our business is what truly sets us apart.

Shaft Drillers International LLC www.shaftdrillers.com Headquartered in Mt. Morris, Pennsylvania, Shaft Drillers International LLC (SDI) is a world leader in geotechnical stabilization, dam construction, dam rehabilitation, roller compacted concrete, water resource development, renewable energy infrastructure development, deep driven foundations, and large diameter drilled shaft installation. The SDI Family of Companies includes:  ASI Construction LLC - www.asidams.com  Coastal Drilling East, LLC: Geotechnical Division - www.coastaldrillingeast.com  Coastal Drilling East, LLC: Well Service Division - www.coastalwellservice.com  Force Power Foundations LLC - www.forcepf.com  Heeter Geotechnical Construction, LLC - www.heeterconstruction.com  Ludwig Drilling LLC - www.ludwigdrilling.com  North American Drillers LLC - www.nadrillers.com  TEK Piles LLC - www.tekpiles.com We are an Equal Opportunity Employer, including disability and protected veteran status.

PITT ELECTRIC, INC. is a company based out of 602 BECKS RUN ROAD, PITTSBURGH, Pennsylvania, United States.

OPCMIA has represented and trained plasterers and cement masons for the purpose of protecting and promoting the quality of our industry and the livelihood of our members.

At a.i. solutions, we are passionate about taking smarter approaches to achieve better solutions for our customers. Since 1996, a.i. solutions has supported the nation’s space and defense agencies, producing products and services that span space mission engineering, launch vehicle services, mission systems assurance, and FreeFlyer® astrodynamics software. As a trusted space industry partner, we deliver what we promise — superior results.

Four generations, family owned and operated. From schools to retail, we have been a staple in the construction business for 57 years, constructing new buildings, renovating old ones and being of service to the population of the great state of West Virginia. Our red truck fleet is well known and respected. We pride ourselves on employing skilled and seasoned contractors to bring your project in on time, within budget, and to meet your every need. Our success lies in the golden rule…treat others, as you would want to be treated.