Picture of various styles of insulators

2025 Insulator Collectors Directory Cover The 2025 printed edition of the Insulator Collectors Directory is a high quality, spiral-bound, 5-1/2" x 8-1/2" book providing names, location and contact information for insulator collectors from around the world. This handy portable reference is the perfect compliment to the online version. The printed edition is sponsored by the National Insulator Association and can be purchased online using the PayPal links below or by mail.

The 2025 edition is now available!

In addition, you may pre-order the 2026 printed Insulator Collectors Directory if you want. It will arrive in collectors' mailboxes in November 2025.

Order Online

NIA Members

2025 Edition Price: (incl postage)
Available Now!
$15 (US) / $18 (Worldwide)

2026 Edition Pre-Order Price: (incl postage)
Available November 2025
$12 (US) / $15 (Worldwide)

Non-NIA Members

2025 Edition Price: (incl postage)
Available Now!
$19 (US) / $22 (Worldwide)

2026 Edition Pre-Order Price: (incl postage)
Available November 2025
$16 (US) / $19 (Worldwide)

Order by Mail

To order the 2025 edition by mail, please send a check for the correct amount, payable to the "National Insulator Association" and your shipping address to:

Margaret Wagner
NIA Products
14615 Skyview Ave.
Smithville, MO 64089
Email: niaproducts@nia.org