Question: Besides Mederer GmbH, what German companies compete with Haribo?

Context paragraphs:
Direct metal mastering: Direct metal mastering (DMM) is an analog audio disc mastering technique jointly developed by two German companies, Telefunken-Decca (Teldec) and Georg Neumann GmbH, toward the end of the 20th century after having seen the same technology used by RCA Princeton Labs for its SelectaVision videodiscs in the late-1970s.

Kjellberg Finsterwalde: Kjellberg Finsterwalde is a group of German companies in the metal and electrical industry.  The group consists of the three manufacturing companies, Kjellberg Finsterwalde Plasma und Maschinen GmbH, Kjellberg Finsterwalde Schweißtechnik und Verschleißschutzsysteme GmbH and Kjellberg Finsterwalde Elektroden und Zusatzwerkstoffe GmbH, and the Kjellberg Finsterwalde Dienstleistungsgesellschaft mbH, which fulfils group-wide functions.  Sole shareholder of the group is the Kjellberg Foundation, with its registered seat in the Hessian city of Gießen.  The group manufactures products for thermal metal working (welding, plasma cutting).

Mederer GmbH: Mederer GmbH is the fourth largest manufacturer of gummi candy in Germany behind Haribo, Storck and Katjes.  Mederer´s most popular brand is Trolli, a brand launched in 1975.  Mederer GmbH also owns several other brands, notably Efrutti, Sugarland and Gummi Bear Factory.

CROTRAM: Crotram is a Croatian consortium of two companies, which produces the first Croatian low-floor tram (the TMK 2100 and the TMK 2200).  It consists of Končar Elektroindustrija d.d. and TŽV Gredelj d.o.o., both from Zagreb.  Although theoretically both companies are of the same importance in the consortium, Gredelj produces only 13% of the worth of the tram, producing only bodies for the vehicle, and Končar made general projects for the tram, electrics, electronics, and final assembly.  Initially, Đuro Đaković factory was also the part of the consortium, but they have eventually left it soon after the project started, and the development and production of hydraulics and bogie mechanics was transferred to German companies SAMES Hydro-Systemtechnik GmbH & Co.  KG and Henschel Antriebstechnik GmbH.

Cournot competition: Cournot competition is an economic model used to describe an industry structure in which companies compete on the amount of output they will produce, which they decide on independently of each other and at the same time.  It is named after Antoine Augustin Cournot (1801–1877) who was inspired by observing competition in a spring water duopoly.  It has the following features:

DAX: The DAX ("Deutscher Aktienindex" (German stock index)) is a blue chip stock market index consisting of the 30 major German companies trading on the Frankfurt Stock Exchange.  Prices are taken from the Xetra trading venue.  According to Deutsche Börse, the operator of Xetra, DAX measures the performance of the Prime Standard’s 30 largest German companies in terms of order book volume and market capitalization.  It is the equivalent of the FT 30 and the Dow Jones Industrial Average, and because of its small selection it does not necessarily represent the vitality of the economy as whole.

Rheinmetall MAN Military Vehicles: Rheinmetall MAN Military Vehicles GmbH, or RMMV, is a joint venture company between German companies MAN Truck & Bus AG and Rheinmetall AG.  RMMV is part of Rheinmetall's Vehicle Systems Division.  Rheinmetall AG holds a 51% stake in RMMV, with the remaining 49% held by MAN Truck & Bus.  RMMV is a provider to security and armed forces of a wide range of armoured and unarmoured transport, command and role-specific wheeled vehicles.

List of German companies by employees in 1907: This is a list of German companies by employees in 1907.  The largest 127 companies of the German Empire in 1907 accounted for 7.8 percent of all employees in the German Empire; excluding railways and state-owned enterprises the share was only 3.6 percent.  This compares to corresponding percentage shares of 8.2 respectively 4.6 for the United Kingdom at the same time.  The largest German companies were predominantly in the heavy industries (mining, coal, iron, iron ore, steel and metals), accounting for 38.7 percent of all employees and the transport and communication sector (railways, postal service, shipping), accounting for 45.4 percent of all employees.  State-owned enterprises such as the state railways companies, the postal administration, the Prussian state mines, military workshops and the Imperial shipyards are dominant among the very largest companies.

Trolli: Trolli is a confectionery brand originating from Germany used by Trolli GmbH (formerly Mederer GmbH) worldwide and by Ferrara Candy Company in the United States.  Trolli GmbH sells gummy candies, marshmallows, and soft licorice gums in over 80 countries and has factories in Germany, Indonesia, China and the Czech Republic.

Haribo: Haribo ( ) is a German confectionery company, founded in 1920 by Johannes "Hans" Riegel, Sr.  It is headquartered in Bonn and the name is an acronym formed from Hans Riegel, Bonn.

Supporting paragraphs: Mederer GmbH Haribo
Answer: Storck and Katjes