Cooperating with Local Union 393 in administering the Training Center are trade associations representing more than 200 contractors. A Joint Apprenticeship and Training Committee with seven members from labor and seven from management is the governing body of the Pipe Trades Training Center.

The participating trade associations are:

MCA

Mechanical Contractors Association of Northern California,
Benecia: 800/640-5152

GBA

Plumbing, Heating, and Cooling Contractors Association of the Greater Bay Area,
Redwood City: 650/364-7717

SCVCA

Santa Clara Valley Contractors Association,
Santa Clara: 408/727-5887

UMIC

Vallejo: 707/552-6040