Contact Us

HDP (High Density Packaging) User Group International, Inc. is a non-profit trade organization incorporated in the State of Arizona, USA that offers memberships to companies involved in the supply chain of producing products that utilize high-density electronic packages.

The HDP User Group International, Inc. is an organization with international members. We have locations in  Chesire England, Singapore, Austin and Dallas Texas, Lee New Hampshire, LA Center Washington, Aptos California, and Scottsdale Arizona, USA. Contact us in one of the following ways:


For General, Management, Technical, or Project questions:

Marshall Andrews, Executive Director 

Texas Office
8108 Flashpan Cove
Austin, TX 78729

Phone or FAX: 512-258-0332
Cell Phone: 512-947-5088

Email:  Click to email Marshall

For Membership and Project questions:

Larry Marcanti, Marketing Director

1363 Francie Way

Allen, TX 75013


Phone:   +1 214-621-7792
Skype: LEM_TX

E-mail:  Click to email Larry




 For Support or Information about Projects: 

Jack Fisher, Project Facilitator

4309 Casa Blanca Dr
Georgetown, TX 78628

Phone: 1-512-930-5666
Fax: 1-512-771-4386

Email Address: Click to email Jack


For Support or Information about Projects:

Robert P. Smith, Project Facilitator

59 Turtle Pond Rd
Lee, NH 03861

Phone: 1-603-868-5139
Fax: 1-603-868-5139

Email Address: Click to email Smitty


For Support or Information about Projects:           

John Davignon, Project Facilitator

3419 West Mallard Ave
Spokane, WA 99208 USA

Cell: +1 360 334 0385

Email Address: Click to email John


For Support or Information about Projects:           

Bev Christian, Project Facilitator

1260 Spitzig Road
Breslau, Ontario, Canada N0B 1M0

Phone: (519) 648-9717
Cell: (519) 897-0739

Email: Click to email Bev


For Support in Asia or Information about Projects:           

Jack Tan, Project Facilitator, Asia Representative 

121 Telok Kurau Lorong K #03-01
Singapore 425762
Phone:  +65 63445943
Cell:  +65 90031080

Email: Click to email Jack

 Jack Tan

For Business or General questions:                   

Darryl Reiner, General Manager

International Headquarters
5722 E. Sugarloaf Trail
Cave Creek, AZ 85331, USA

Phone: 480-951-1963
FAX: 480-951-1963
Cell: 480-577-4907

Email Address: Click to email Darryl


For Administrative questions, website help: 

Kim Andrews, Administrator

5920 Sardinia Drive
Round Rock, TX 78665

Phone: 512-903-4255

Email Address: Click to email Kim