• Blue Sky Landscape Services, Inc.

• Copeland Corporation

• Diamond Plastics Corporation

• Eljen Corporation

• FE Myers

• Flomatic Corporation

• Geist Manufacturing, Inc.

• Hit Products

• Imperial Underground Sprinkler Co.

• J & J Drainage Products Co.

• J.L. Turner Co.

• Mueller Mist Irrigation Co.

• Naylor Pipe Co.

• Patterson Pump Co.

• Professional Irrigation

• Rain Bird

• Repcor

• Rolatape Corp.

• SSOE, Inc.

• Smith-Miller + Hawkinson

• Southwest Recreational Industrial Inc.

• The Harrington Corporation (HARCO)

• Tytewadd Power Filters

• Victaulic Co. of America

• Weather-Matic