diff --git a/keyboards/40percentclub/25/config.h b/keyboards/40percentclub/25/config.h
index af25449abc..8ff5264671 100644
--- a/keyboards/40percentclub/25/config.h
+++ b/keyboards/40percentclub/25/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x0F25
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/4pack/config.h b/keyboards/40percentclub/4pack/config.h
index db51715922..023df5fc4e 100644
--- a/keyboards/40percentclub/4pack/config.h
+++ b/keyboards/40percentclub/4pack/config.h
@@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0000
#define DEVICE_VER 0x0001
#define MANUFACTURER 40percentclub
diff --git a/keyboards/40percentclub/4x4/config.h b/keyboards/40percentclub/4x4/config.h
index 77b6e7c58b..439aa1b147 100644
--- a/keyboards/40percentclub/4x4/config.h
+++ b/keyboards/40percentclub/4x4/config.h
@@ -5,7 +5,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025 //"40 %", since 0x3430 is already registered.
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x4444
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/4x4/keymaps/via/keymap.c b/keyboards/40percentclub/4x4/keymaps/via/keymap.c
new file mode 100644
index 0000000000..3c39e98545
--- /dev/null
+++ b/keyboards/40percentclub/4x4/keymaps/via/keymap.c
@@ -0,0 +1,105 @@
+ /* Copyright 2021 Milan Düwel
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum custom_layers {
+ PAD,
+ _QW,
+ NUM,
+ DIR
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Single 4x4 board only
+ * .-----------------------------------.
+ * | 7 | 8 | 9 | / |
+ * |--------+--------+--------+--------|
+ * | 4 | 5 | 6 | * |
+ * |--------+--------+--------+--------|
+ * | 1 | 2 | 3 | - |
+ * |--------+--------+--------+--------|
+ * | 0 | QWERTY | . | + |
+ * '-----------------------------------'
+ */
+
+ [PAD] = LAYOUT_ortho_4x4(
+ KC_KP_7, KC_KP_8, KC_KP_9, KC_PSLS,
+ KC_KP_4, KC_KP_5, KC_KP_6, KC_PAST,
+ KC_KP_1, KC_KP_2, KC_KP_3, KC_PMNS,
+ KC_KP_0, DF(_QW), KC_KP_DOT, KC_PPLS
+ ),
+
+/* QWERTY
+ * .-----------------------------------------------------------------------------------------------------------------------------------------------.
+ * | ESC | Q | W | E | R | T | Y | U | I | O | P | BACKSP | 7 | 8 | 9 | / |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | TAB | A | S | D | F | G | H | J | K | L | ; | ' | 4 | 5 | 6 | * |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | SHIFT | Z | X | C | V | B | N | M | , | . | / | ENT/SFT| 1 | 2 | 3 | - |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | LCTRL | LGUI | ALT | ALT | NUM | SHIFT | SPACE | DIR | RGUI | RALT | DEL | CTRL | 0 | 0 | . | + |
+ * '-----------------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [_QW] = LAYOUT_ortho_4x16(
+ KC_ESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC, KC_KP_7, KC_KP_8, KC_KP_9, KC_PSLS,
+ KC_TAB, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_KP_4, KC_KP_5, KC_KP_6, KC_PAST,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, SFT_T(KC_ENT), KC_KP_1, KC_KP_2, KC_KP_3, KC_PMNS,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_LALT, MO(NUM), KC_LSFT, KC_SPC, MO(DIR), KC_RGUI, KC_RALT, KC_DEL, KC_RCTL, KC_KP_0, KC_KP_0, KC_KP_DOT, KC_PPLS
+ ),
+
+/* NUMBERS
+ * .-----------------------------------------------------------------------------------------------------------------------------------------------.
+ * | | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 | F10 | NUMLOCK| / | * | - | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | ` | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | | | | + | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | F11 | F12 | | | | ENTER | SHIFT | RGUI | ./ALT | BKSC | | | | ENTER | |
+ * | | | | | | | | | | |CTRLhold| | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | | | | | | ENTER | SHIFT | | | | | | | | |
+ * '-----------------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [NUM] = LAYOUT_ortho_4x16(
+ _______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS, _______,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______, _______, _______, KC_PPLS, _______,
+ _______, KC_F11, KC_F12, _______, _______, _______, KC_ENT, KC_RSFT, KC_RGUI, ALT_T(KC_DOT), CTL_T(KC_BSPC), _______, _______, _______, KC_PENT, _______,
+ _______, _______, _______, _______, _______, _______, KC_ENT, KC_RSFT, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+/* DIRECTIONS
+ * .-----------------------------------------------------------------------------------------------------------------------------------------------.
+ * | RESET | TAB | up | | INS | CTRL | SHIFT | PgUp | Home | - | = | DEL | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | CAPSLK | left | down | right | PrScr | SHIFT | CTRL | PgDn | End | [ | ] | \ | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | P-Brk | | | | | | | RGUI | ALT | | | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | KEYPAD | | | | | | | | | | | | | | | |
+ * '-----------------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [DIR] = LAYOUT_ortho_4x16(
+ RESET, KC_TAB, KC_UP, _______, KC_INS, KC_LCTL, KC_LSFT, KC_PGUP, KC_HOME, KC_MINS, KC_EQL, KC_DEL, _______, _______, _______, _______,
+ KC_CAPS, KC_LEFT, KC_DOWN, KC_RGHT, KC_PSCR, KC_LSFT, KC_LCTL, KC_PGDN, KC_END, KC_LBRC, KC_RBRC, KC_BSLS, _______, _______, _______, _______,
+ _______, KC_PAUS, _______, _______, _______, _______, _______, _______, KC_RGUI, KC_RALT, _______, _______, _______, _______, _______, _______,
+ DF(PAD), _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+};
diff --git a/keyboards/40percentclub/4x4/keymaps/via/rules.mk b/keyboards/40percentclub/4x4/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/40percentclub/4x4/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/40percentclub/5x5/config.h b/keyboards/40percentclub/5x5/config.h
index 694a589852..c9a83de737 100644
--- a/keyboards/40percentclub/5x5/config.h
+++ b/keyboards/40percentclub/5x5/config.h
@@ -5,7 +5,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x05B5
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/5x5/keymaps/via/keymap.c b/keyboards/40percentclub/5x5/keymaps/via/keymap.c
new file mode 100644
index 0000000000..735fa6b145
--- /dev/null
+++ b/keyboards/40percentclub/5x5/keymaps/via/keymap.c
@@ -0,0 +1,117 @@
+ /* Copyright 2021 Milan Düwel
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum custom_layers {
+ PAD,
+ _QW,
+ NUM,
+ DIR
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Single 5x5 board only
+ * .--------------------------------------------.
+ * | QWERTY | / | * | - | |
+ * |--------+--------+--------+--------+--------|
+ * | 7 | 8 | 9 | + | |
+ * |--------+--------+--------+--------+--------|
+ * | 4 | 5 | 6 | + | |
+ * |--------+--------+--------+--------+--------|
+ * | 1 | 2 | 3 | ENTER | |
+ * |--------+--------+--------+--------+--------|
+ * | 0 | 0 | . | ENTER | |
+ * '--------------------------------------------'
+ */
+
+ [PAD] = LAYOUT_ortho_5x5(
+ DF(_QW), KC_PSLS, KC_PAST, KC_PMNS, _______,
+ KC_KP_7, KC_KP_8, KC_KP_9, KC_PPLS, _______,
+ KC_KP_4, KC_KP_5, KC_KP_6, KC_PPLS, _______,
+ KC_KP_1, KC_KP_2, KC_KP_3, KC_PENT, _______,
+ KC_KP_0, KC_KP_0, KC_KP_DOT, KC_PENT, _______
+ ),
+
+/* QWERTY
+ * .--------------------------------------------------------------------------------------------------------------------------------------.
+ * | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | ESC | Q | W | E | R | T | Y | U | I | O | P | BACKSP | 7 | 8 | 9 |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | TAB | A | S | D | F | G | H | J | K | L | ; | ' | 4 | 5 | 6 |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | SHIFT | Z | X | C | V | B | N | M | , | . | / | ENT/SFT| 1 | 2 | 3 |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | LCTRL | LGUI | ALT | ALT | NUM | SHIFT | SPACE | DIR | RGUI | RALT | DEL | CTRL | 0 | 0 | . |
+ * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [_QW] = LAYOUT_ortho_5x15(
+ _______, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______, _______, _______, _______,
+ KC_ESC, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC, KC_KP_7, KC_KP_8, KC_KP_9,
+ KC_TAB, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_KP_4, KC_KP_5, KC_KP_6,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, SFT_T(KC_ENT), KC_KP_1, KC_KP_2, KC_KP_3,
+ KC_LCTL, KC_LGUI, KC_LALT, KC_LALT, MO(NUM), KC_LSFT, KC_SPC, MO(DIR), KC_RGUI, KC_RALT, KC_DEL, KC_RCTL, KC_KP_0, KC_KP_0, KC_KP_DOT
+ ),
+
+/* NUMBERS
+ * .--------------------------------------------------------------------------------------------------------------------------------------.
+ * | | | | | | | | | | | | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 | F10 | NUMLOCK| / | * | - |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | ` | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | | | | + |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | F11 | F12 | | | | ENTER | SHIFT | RGUI | ./ALT | BKSC | | | | ENTER |
+ * | | | | | | | | | | |CTRLhold| | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | | | | | | ENTER | SHIFT | | | | | | | |
+ * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [NUM] = LAYOUT_ortho_5x15(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_NLCK, KC_PSLS, KC_PAST, KC_PMNS,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______, _______, _______, KC_PPLS,
+ _______, KC_F11, KC_F12, _______, _______, _______, KC_ENT, KC_RSFT, KC_RGUI, ALT_T(KC_DOT), CTL_T(KC_BSPC), _______, _______, _______, KC_PENT,
+ _______, _______, _______, _______, _______, _______, KC_ENT, KC_RSFT, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+/* DIRECTIONS
+ * .--------------------------------------------------------------------------------------------------------------------------------------.
+ * | | | | | | | | | | | | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | RESET | TAB | up | | INS | CTRL | SHIFT | PgUp | Home | - | = | DEL | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | CAPSLK | left | down | right | PrScr | SHIFT | CTRL | PgDn | End | [ | ] | \ | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | | P-Brk | | | | | | | RGUI | ALT | | | | | |
+ * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
+ * | KEYPAD | | | | | | | | | | | | | | |
+ * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
+
+ [DIR] = LAYOUT_ortho_5x15(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ RESET, KC_TAB, KC_UP, _______, KC_INS, KC_LCTL, KC_LSFT, KC_PGUP, KC_HOME, KC_MINS, KC_EQL, KC_DEL, _______, _______, _______,
+ KC_CAPS, KC_LEFT, KC_DOWN, KC_RGHT, KC_PSCR, KC_LSFT, KC_LCTL, KC_PGDN, KC_END, KC_LBRC, KC_RBRC, KC_BSLS, _______, _______, _______,
+ _______, KC_PAUS, _______, _______, _______, _______, _______, _______, KC_RGUI, KC_RALT, _______, _______, _______, _______, _______,
+ DF(PAD), _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+};
diff --git a/keyboards/40percentclub/5x5/keymaps/via/rules.mk b/keyboards/40percentclub/5x5/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/40percentclub/5x5/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/40percentclub/6lit/config.h b/keyboards/40percentclub/6lit/config.h
index ddf91a3ce5..f5c0ea3040 100644
--- a/keyboards/40percentclub/6lit/config.h
+++ b/keyboards/40percentclub/6lit/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x0F61
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/foobar/config.h b/keyboards/40percentclub/foobar/config.h
index 999efef7f5..a65b6e51bf 100644
--- a/keyboards/40percentclub/foobar/config.h
+++ b/keyboards/40percentclub/foobar/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x0F00
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/gherkin/config.h b/keyboards/40percentclub/gherkin/config.h
index 1307ca2e15..6373ea2e60 100644
--- a/keyboards/40percentclub/gherkin/config.h
+++ b/keyboards/40percentclub/gherkin/config.h
@@ -3,7 +3,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025 //"40 %", since 0x3430 is already registered.
#define PRODUCT_ID 0x6060
#define DEVICE_VER 0x0001
#define MANUFACTURER 40 Percent Club
diff --git a/keyboards/40percentclub/half_n_half/config.h b/keyboards/40percentclub/half_n_half/config.h
index 3409af5f68..f79f83839c 100644
--- a/keyboards/40percentclub/half_n_half/config.h
+++ b/keyboards/40percentclub/half_n_half/config.h
@@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x4A1F
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/i75/config.h b/keyboards/40percentclub/i75/config.h
index e89f4f5806..bacf9eb30f 100644
--- a/keyboards/40percentclub/i75/config.h
+++ b/keyboards/40percentclub/i75/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x0175
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/luddite/config.h b/keyboards/40percentclub/luddite/config.h
index 90d84c56e1..3f15523c89 100644
--- a/keyboards/40percentclub/luddite/config.h
+++ b/keyboards/40percentclub/luddite/config.h
@@ -3,7 +3,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0x3430 // "40"
+#define VENDOR_ID 0x4025 // "40%", changed since 0x3430 is already officially registered
#define PRODUCT_ID 0x4C55 // "LU"
#define DEVICE_VER 0x1001
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/mf68/config.h b/keyboards/40percentclub/mf68/config.h
index 2307256154..7ebe5ae1b3 100644
--- a/keyboards/40percentclub/mf68/config.h
+++ b/keyboards/40percentclub/mf68/config.h
@@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0x3430 // "40"
+#define VENDOR_ID 0x4025 // "40%", changed since 0x3430 is already officially registered
#define PRODUCT_ID 0x4D68 // "M68"
#define DEVICE_VER 0x0101
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/nano/config.h b/keyboards/40percentclub/nano/config.h
index aa4a64d07d..c6d66a1bb3 100644
--- a/keyboards/40percentclub/nano/config.h
+++ b/keyboards/40percentclub/nano/config.h
@@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xCEEB
+#define VENDOR_ID 0x4025 //"40 %", to make it consistent with other 40percent.club boards.
#define PRODUCT_ID 0x0007
#define DEVICE_VER 0x0001
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/nein/config.h b/keyboards/40percentclub/nein/config.h
index 1dedb608f9..87c62673f9 100644
--- a/keyboards/40percentclub/nein/config.h
+++ b/keyboards/40percentclub/nein/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0x3430 // "40"
+#define VENDOR_ID 0x4025 // "40%", changed since 0x3430 is already officially registered
#define PRODUCT_ID 0x9999
#define DEVICE_VER 0x9999
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/nori/config.h b/keyboards/40percentclub/nori/config.h
index 40225748ac..882da633e0 100644
--- a/keyboards/40percentclub/nori/config.h
+++ b/keyboards/40percentclub/nori/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x0A0C
#define DEVICE_VER 0x0444
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/polyandry/config.h b/keyboards/40percentclub/polyandry/config.h
index 4d64e2d209..6f04d12297 100644
--- a/keyboards/40percentclub/polyandry/config.h
+++ b/keyboards/40percentclub/polyandry/config.h
@@ -19,7 +19,7 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
+#define VENDOR_ID 0x4025
#define PRODUCT_ID 0x6060
#define DEVICE_VER 0x0001
#define MANUFACTURER di0ib
@@ -28,7 +28,7 @@
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
#define DEBOUNCE 5
-//more detailed config options start below:
+//more detailed config options start below:
/* define if matrix has ghost (lacks anti-ghosting diodes) */
diff --git a/keyboards/40percentclub/sixpack/config.h b/keyboards/40percentclub/sixpack/config.h
index 2ec676018c..edb123c4b9 100644
--- a/keyboards/40percentclub/sixpack/config.h
+++ b/keyboards/40percentclub/sixpack/config.h
@@ -20,7 +20,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0x3430 // "40"
+#define VENDOR_ID 0x4025 //"40 %", since 0x3430 is already registered.
#define PRODUCT_ID 0x5350 // "SP"
#define DEVICE_VER 0x1001
#define MANUFACTURER di0ib
diff --git a/keyboards/40percentclub/tomato/config.h b/keyboards/40percentclub/tomato/config.h
index a083223a1f..8f06341aad 100644
--- a/keyboards/40percentclub/tomato/config.h
+++ b/keyboards/40percentclub/tomato/config.h
@@ -3,8 +3,8 @@
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
-#define PRODUCT_ID 0x6060
+#define VENDOR_ID 0x4025
+#define PRODUCT_ID 0x546F //"To", was duplicate with polyandry
#define DEVICE_VER 0x0001
#define MANUFACTURER 40 Percent Club
#define PRODUCT Tomato
diff --git a/keyboards/40percentclub/ut47/config.h b/keyboards/40percentclub/ut47/config.h
index 9622f58bb3..7ead58e096 100644
--- a/keyboards/40percentclub/ut47/config.h
+++ b/keyboards/40percentclub/ut47/config.h
@@ -20,8 +20,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "config_common.h"
/* USB Device descriptor parameter */
-#define VENDOR_ID 0xFEED
-#define PRODUCT_ID 0x0000
+#define VENDOR_ID 0x4025
+#define PRODUCT_ID 0x7574 //"ut"
#define DEVICE_VER 0x0001
#define MANUFACTURER 40percent.club
#define PRODUCT ut47