diff --git a/p/invg/example.js b/p/invg/example.js
new file mode 100644
index 00000000..34e0b9fe
--- /dev/null
+++ b/p/invg/example.js
@@ -0,0 +1,43 @@
+'use strict'
+
+const createClient = require('../..')
+const cmtaProfile = require('.')
+
+const client = createClient(cmtaProfile, 'hafas-client-example')
+
+const ingolstadtHbf = '8000183'
+const audiParkplatz = '84999'
+
+client.journeys(ingolstadtHbf, audiParkplatz, {results: 1})
+// .then(([journey]) => {
+// 	const leg = journey.legs[0]
+// 	return client.trip(leg.id, leg.line.name, {polyline: true})
+// })
+// .then(([journey]) => {
+// 	return client.refreshJourney(journey.refreshToken, {stopovers: true, remarks: true})
+// })
+
+// client.departures(ingolstadtHbf, {duration: 5})
+// client.arrivals(ingolstadtHbf, {duration: 10, stationLines: true})
+
+// client.locations('tillystr 1', {results: 2})
+// client.station(audiParkplatz) // Audi Parkplatz
+// client.nearby({
+// 	type: 'location',
+// 	latitude: 48.74453,
+// 	longitude: 11.43733
+// }, {distance: 200})
+
+// client.radar({
+// 	north: 48.74453,
+// 	west: 11.42733,
+// 	south: 48.73453,
+// 	east: 11.43733
+// }, {results: 10})
+
+// todo: `reachableFrom` with `Ingolstadt, Tillystraße 1` 48.745769 | 11.432814
+
+.then((data) => {
+	console.log(require('util').inspect(data, {depth: null, colors: true}))
+})
+.catch(console.error)
diff --git a/p/invg/index.js b/p/invg/index.js
new file mode 100644
index 00000000..39bc2535
--- /dev/null
+++ b/p/invg/index.js
@@ -0,0 +1,38 @@
+'use strict'
+
+const products = require('./products')
+
+const transformReqBody = (ctx, body) => {
+	body.client = {
+		type: 'IPH',
+		id: 'INVG',
+		name: 'invgPROD-APPSTORE-LIVE',
+		v: '1040000'
+	}
+	body.ver = '1.16'
+	body.auth = {type: 'AID', aid: 'GITvwi3BGOmTQ2a5'}
+
+	return body
+}
+
+const invgProfile = {
+	locale: 'de-DE',
+	timezone: 'Europe/Berlin',
+	endpoint: 'https://fpa.invg.de/bin/mgate.exe',
+
+	// https://github.com/public-transport/hafas-client/issues/93#issuecomment-437594291
+	// https://runkit.com/derhuerst/hafas-decrypt-encrypted-mac-salt
+	// https://gist.github.com/derhuerst/840c72ad19065f6c55657cf1bc7aa52a#file-config-txt-L23-L24
+	salt: Buffer.from('ERxotxpwFT7uYRsI', 'utf8'),
+	addMicMac: true,
+
+	transformReqBody,
+
+	products,
+
+	trip: true,
+	radar: true,
+	refreshJourney: true
+}
+
+module.exports = invgProfile
diff --git a/p/invg/products.js b/p/invg/products.js
new file mode 100644
index 00000000..e8db7b78
--- /dev/null
+++ b/p/invg/products.js
@@ -0,0 +1,69 @@
+'use strict'
+
+module.exports = [
+	// https://github.com/public-transport/hafas-client/issues/93#issuecomment-437868265
+	{
+		id: 'bus',
+		mode: 'bus',
+		bitmasks: [1, 16],
+		name: 'Bus',
+		short: 'Bus',
+		default: true // the other `bus` has `false`
+	},
+	{
+		id: 'express-train',
+		mode: 'train',
+		bitmasks: [2],
+		name: 'High-speed train',
+		short: 'Train',
+		default: false
+	},
+	{
+		id: 'regional-train',
+		mode: 'train',
+		bitmasks: [4],
+		name: 'Regional train',
+		short: 'Train',
+		default: false
+	},
+	{
+		id: 'local-train',
+		mode: 'train',
+		bitmasks: [8],
+		name: 'Nahverkehrszug',
+		short: 'Zug',
+		default: true
+	},
+	{
+		id: 'ferry',
+		mode: 'watercraft',
+		bitmasks: [32],
+		name: 'Ferry',
+		short: 'Ferry',
+		default: false
+	},
+	{
+		id: 'subway',
+		mode: 'train',
+		bitmasks: [64],
+		name: 'Subway',
+		short: 'Subway',
+		default: false
+	},
+	{
+		id: 'tram',
+		mode: 'train',
+		bitmasks: [128],
+		name: 'Tram',
+		short: 'Tram',
+		default: false
+	},
+	{
+		id: 'on-demand',
+		mode: 'bus', // todo: correct?
+		bitmasks: [256],
+		name: 'On-demand traffic',
+		short: 'on demand',
+		default: false
+	}
+]
diff --git a/p/invg/readme.md b/p/invg/readme.md
new file mode 100644
index 00000000..064ab504
--- /dev/null
+++ b/p/invg/readme.md
@@ -0,0 +1,18 @@
+# INVG profile for `hafas-client`
+
+[*Ingolstädter Verkehrsgesellschaft (INVG)*](https://de.wikipedia.org/wiki/Ingolstädter_Verkehrsgesellschaft) is a public transportation provider serving [Ingolstadt, Germany](https://en.wikipedia.org/wiki/Ingolstadt). This profile adds *INVG*-specific customizations to `hafas-client`.
+
+## Usage
+
+```js
+const createClient = require('hafas-client')
+const invgProfile = require('hafas-client/p/invg')
+
+// create a client with INVG profile
+const client = createClient(invgProfile, 'my-awesome-program')
+```
+
+
+## Customisations
+
+- parses *INVG*-specific products
diff --git a/readme.md b/readme.md
index a9394fae..5d3406c5 100644
--- a/readme.md
+++ b/readme.md
@@ -219,6 +219,7 @@ HAFAS endpoint | wrapper library | docs | example code | source code
 [*Nordhessischer Verkehrsverbund (NVV)*](https://en.wikipedia.org/wiki/Nordhessischer_Verkehrsverbund) ([Hesse](https://en.wikipedia.org/wiki/Hesse)) | - | [docs](p/nvv/readme.md) | [example code](p/nvv/example.js) | [src](p/nvv/index.js)
 *DB Busradar NRW* ([DB Regio Bus](https://en.wikipedia.org/wiki/DB_Regio#Bus_division_(DB_Regio_Bus))) | - | [docs](p/db-busradar-nrw/readme.md) | [example code](p/db-busradar-nrw/example.js) | [src](p/db-busradar-nrw/index.js)
 [Verkehrsverbund Süd-Niedersachsen (VSN)](https://de.wikipedia.org/wiki/Verkehrsverbund_S%C3%BCd-Niedersachsen) | - | [docs](p/vsn/readme.md) | [example code](p/vsn/example.js) | [src](p/vsn/index.js)
+[Ingolstädter Verkehrsgesellschaft (INVG)](https://de.wikipedia.org/wiki/Ingolstädter_Verkehrsgesellschaft) | - | [docs](p/invg/readme.md) | [example code](p/invg/example.js) | [src](p/invg/index.js)
 
 There are also libraries that use `hafas-client` and pass their own profile in: