The International Union of Painters and Allied Trades. Fighting for working people since 1887.

NATIONAL AUTOMATIC SPRINKLER INDUSTRY WELFARE FUND is a company based out of 8000 CORPORATE DR, Landover, Maryland, United States.

International Brotherhood of Electrical Workers, Local Union 26.

International Brotherhood of Electrical Workers, Local Union 26.

NATIONAL AUTOMATIC SPRINKLER INDUSTRY WELFARE FUND is a company based out of 8000 CORPORATE DR, Landover, Maryland, United States.

UA Local 486 is a construction company based out of United States.

UA Local 486 is a construction company based out of United States.

Structural Group Inc. provides shared corporate services to its subsidiary companies, STRUCTURAL, PULLMAN and Structural Technologies

Plumbers & Gasfitters Local Union No. 5 is a local labor union affiliated with the United Association of Journeymen and Apprentices of Plumbing and Pipe Fitting Industry of the United States and Canada. Our main office is located at: 4755 Walden Lane Lanham, MD 20706 Our training facility is located at: 5000 Forbes Blvd Lanham, MD 20706

The State Retirement and Pension System, or SRPS, or "the System", administers death, disability and retirement benefits on behalf of more than 350,000 members. These include active and former State employees, teachers, State police, judges, law enforcement officers, correctional officers and legislators.

The Irex Contracting Group is a network of specialty contracting companies delivering exceptional value in performance, quality, safety and service. We service industrial, commercial, institutional, and government customers in a wide variety of specialized areas including mechanical and nuclear insulation, systems scaffolding, industrial coatings, abatement, and energy appraisal services. With an Irex company on your project, you get the combined experience and expertise of one of North America’s most advanced and skilled specialty contracting groups.

Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania (Delaware County, Chester County, Montgomery County & Bucks County), New Jersey (Gloucester County, Camden County, Burlington County, Mercer County, Somerset County, & Middlesex County) and Maryland (Cecil County, Baltimore County, Carroll County, Harford County, Montgomery County, & Howard County). Horizon provides a full-range of residential services including: heating and air conditioning repair, maintenance and tune-ups; comprehensive plumbing and drain cleaning services; and trench-less sewer line/water line inspection, repair and replacement. We also sell and install high-efficiency heating and cooling systems from leading manufacturers such as Lennox, Trane, Ruud, Rheem, York, Comfortmaker, Janitrol, American Standard, Carrier, Bryant and Bradford White. Horizon Services is the company to call in the Delaware Valley for on-time service, up-front pricing and a job done right and clean the first time...GUARANTEED. We're so confident you'll be pleased with our fast, friendly and professional services and equipment installations, you'll become a customer for life! Visit our website at HorizonServices.com © By Horizon Services, LLC. All Rights Reserved. DE License # PL0000726, HL0000299. Contractor Reg. # PA017876, PA057742. NJ HVACR Lic. # 19370, M-PL Lic. # 12323 – David Geiger. MD Master HVACR contractor Lic. # 47186, Master Plumber Lic. # 63739 – David Geiger.