The Associated Builders and Contractors is a trade association for the construction industry that provides advocacy, education, workforce development, and other resources for its members.

440 1st Street, NW, Suite 200
Washington, D.C. 20001-2375
Tel: (202) 595-1505

The Associated General Contractors of America represents general contractors and specialty-contracting firms in the construction industry.

2300 Wilson Boulevard, Suite 300
Arlington, VA 22201-5426
Tel: (703) 548-3118

The Electrical Training Alliance provides apprenticeship and training programs for electrical workers.

5001 Howerton Way, Suite N
Bowie, MD 20715-4459
Tel: (888) 652-4007

The Home Builders Institute provides education, career development, training, and job placement for its members.

1201 15th Street, NW, Suite 600
Washington, D.C. 20005-2899
Tel: (800) 795-7955
Tel: (202) 371-0600
Fax: (202) 266-8999

The Independent Electrical Contractors serves as the voice of the electrical and systems contracting industry on policies that affect its membership.

2900 S Quincy St., Suite 720
Arlington, VA 22206-2231
Tel: (800) 456-4324
Tel: (703) 549-7351
Fax: (703) 549-7448

The International Masonry Institute offers technical support, education, and information about masonry products, systems, and performance.

17101 Science Drive
Bowie, MD 20715-4312
Tel: (800) 464-0988
Tel: (800) 803-0295

The International Union of Bricklayers and Allied Craftworkers works to protect the rights of bricklayers and other skilled trades craftworkers.

620 F Street, NW
Washington, D.C. 20004-1629
Tel: (888) 880-8222
Tel: (202) 783-3788

The National Center for Construction Education and Research develops standardized construction and maintenance curriculums and assessments.

13614 Progress Boulevard
Alachua, FL 32615-9407
Tel: (888) 622-3720
Tel: (386) 518-6500
Fax: (386) 518-6303

The Plumbing-Heating-Cooling Contractors Association provides education, resources, networking opportunities, and more for the plumbing and heating, ventilation, air condition, and refrigeration industries.

180 South Washington Street, Suite 100
Falls Church, VA 22046-2900
Tel: (800) 533-7694
Tel: (703) 237-8100
Fax: (703) 237-7442

The Tile Contractors’ Association of America provides information and resources for contractors and suppliers in the tile industry.

9153 Tahoe Circle
Strongsville, OH 44136-1412
Tel: (800) 655-8453
Fax: (216) 462-0808

The United Association represents plumbers, pipefitters, sprinkler fitters, service technicians, and welders in local unions across North America.

3 Park Place
Annapolis, MD 21401-3687
Tel: (410) 269-2000
Fax: (410) 267-0262

The United Brotherhood of Carpenters is a building-trades union that represents men and women who work in the construction and wood-products industries.

101 Constitution Avenue, NW
Washington, D.C. 20001-2153
Tel: (202) 546-6206